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Freightliner SD 108-122 Engine & Performance Parts

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  • Quantity
  • Price
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  • On Sale
    High Performance Stage 1.5 Turbocharger For Caterpillar 3406B, C, E, C15 & C16 Engines

    High Performance Stage 1.5 Turbocharger For Caterpillar 3406B, C, E, C15 & C16 Engines

    BULLY DOG

    Now: $1,800.00
    Was: $2,050.00
    Bully Dog High Performance Stage 1.5 Turbocharger Fits Caterpillar 3406B/C/E/C15/C16Increase horsepower and decrease fuel costs of your class 8 vehicle with this high performance Stage 1.5...
    29-0704106
    SKU:
    29-0704106
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Color:
    Black
    Finish Options:
    Black Powder Coat
    Style Options:
    Caterpillar
    Make:
    Universal Items
    Location:
    Made In USA
    Material Options:
    Aluminum
    Type Options:
    Bolt Mount
    Now: $1,800.00
    Was: $2,050.00
    Qty in Cart: 0
    Price:
    Now: $1,800.00
    Was: $2,050.00
    Subtotal:
  • FREE SHIPPING
    Diesel Fuel Pump System, 250 GPH Industrial Series By FASS

    Diesel Fuel Pump System, 250 GPH Industrial Series By FASS

    FASS

    $934.99
    FASS IND 250G Diesel Fuel Pump SystemFASS Fuel Systems has engineered the top-performing Industrial Series Diesel Fuel System right here in the U.S.A. With advanced 2 Micron filtration, built-in...
    09-07030162
    SKU:
    09-07030162
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $934.99
    Qty in Cart: 0
    Price:
    $934.99
    Subtotal:
  • Bully Dog ECM Tuner W/ Emissions Tested & Diagnostic Reader For Caterpillar C11, 12, 13, 15 & 16

    Bully Dog ECM Tuner W/ Emissions Tested & Diagnostic Reader For Caterpillar C11, 12, 13, 15 & 16

    BULLY DOG

    $849.95
    Bully Dog ECM Tuner W/ Speed Limiter Adjustments Fits Caterpillar C11, 12, 13, 15 & 16Get more from your CAT engine with the Bully Dog ECM Tuner, engineered for C16, C15, C13, C12, and C11 models...
    29-0704091
    SKU:
    29-0704091
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Location:
    Made In USA
    $849.95
    Qty in Cart: 0
    Price:
    $849.95
    Subtotal:
  • FASS 165 GPH Industrial Series Diesel Fuel Pump System

    FASS 165 GPH Industrial Series Diesel Fuel Pump System

    FASS

    $980.99
    FASS IND 165G Diesel Fuel Pump System* High Quality Fuel System* Ind165G Series FASS* Featuring: - Revolutionary Whisper Technology - 165 Gallons Per Minute At 16-18 PSI* Recommended For 400 - 590...
    09-07030161
    SKU:
    09-07030161
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $980.99
    Qty in Cart: 0
    Price:
    $980.99
    Subtotal:
  • FASS Industrial Series Diesel 290 GPH Fuel System For Class 8 Detroit DD15 Engines

    FASS Industrial Series Diesel 290 GPH Fuel System For Class 8 Detroit DD15 Engines

    FASS

    $903.99
    290 GPH Fuel System Fits Class 8 Detroit DD15 Engines* High Quality Diesel Fuel System* Aluminum Housing* Fass Air Separation Port Ties Into OEM Engine Fuel Return* Preset 16 PSI Fuel Pressure* 290...
    29-070300006
    SKU:
    29-070300006
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $903.99
    Qty in Cart: 0
    Price:
    $903.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Power Steering Reservoir For Freightliner Century, Columbia & Coronado

    Power Steering Reservoir For Freightliner Century, Columbia & Coronado

    AUTOMANN USA

    $123.99
    Power Steering Reservoir - Replaces 14-14746-000, 14-17058-000, 94049A & 94766AEngineered for heavy-duty performance, the Power Steering Reservoir ensures your Freightliner Century, Columbia, and...
    03-0714003
    SKU:
    03-0714003
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $123.99
    Qty in Cart: 0
    Price:
    $123.99
    Subtotal:
  • Power Klenz 5007 Diesel Additive - 1 Quart

    Power Klenz 5007 Diesel Additive - 1 Quart

    AFTERMARKET

    $27.76
    1 Quart Power Klenz 5007 Diesel Additive* High Quality Diesel Enhancement* Increases Cetane 40 Points and Lubricity 67%* Cleans/Disperses Asphltenes and Injector Deposits* Prevents Sludge Induced...
    5007QT
    SKU:
    5007QT
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $27.76
    Qty in Cart: 0
    Price:
    $27.76
    Subtotal:
  • FASS Industrial Series Diesel 290 GPH Fuel System, Class 8 For Cummins, Cat, Detroit Diesel Trucks

    FASS Industrial Series Diesel 290 GPH Fuel System, Class 8 For Cummins, Cat, Detroit Diesel Trucks

    FASS

    $1,096.99
    290 GPH Fuel System, Class 8 Fits Cummins, Cat, Detroit Diesel Trucks* High Quality Diesel Fuel System* Aluminum Housing* 8 Fass Air Separation Port Ties Into OEM Engine Fuel Return* Preset 16 PSI...
    09-07030002
    SKU:
    09-07030002
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,096.99
    Qty in Cart: 0
    Price:
    $1,096.99
    Subtotal:
  • FASS Industrial Series Diesel 240 GPH Fuel System, Class 8

    FASS Industrial Series Diesel 240 GPH Fuel System, Class 8

    FASS

    $891.99
    240 GPH Fuel SystemThis Industrial Series Diesel Fuel System delivers 240 gallons per hour and connects seamlessly to your OEM engine fuel return, no extra fuel line needed. With a 16 PSI preset...
    09-07030006
    SKU:
    09-07030006
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $891.99
    Qty in Cart: 0
    Price:
    $891.99
    Subtotal:
  • FREE SHIPPING OVER $249
    3 Inch Steel EGR Cooler V-Band Clamp Replaces 3683144 For Cummins ISM, M11 Engine

    3 Inch Steel EGR Cooler V-Band Clamp Replaces 3683144 For Cummins ISM, M11 Engine

    AUTOMANN USA

    $22.66
    3 Inch EGR Cooler V-Band ClampMaintain efficient EGR performance on your Cummins ISM or M11 engine with the 3 Inch Steel V-Band Clamp, replacing 3683144. Its metallic gray smooth steel construction,...
    29-071100002
    SKU:
    29-071100002
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    $22.66
    Qty in Cart: 0
    Price:
    $22.66
    Subtotal:
  • FASS Fuel Systems Fuel System Mounting For Class 8 Trucks Titanium Universal High Pressure

    FASS Fuel Systems Fuel System Mounting For Class 8 Trucks Titanium Universal High Pressure

    FASS

    $50.99
    Mounting Package For Fuel Pumps Fits Class 8 TrucksFASS fuel system mounting packages make installing your new FASS fuel pump quick and easy. These mounts feature durable construction and come with...
    09-07030009
    SKU:
    09-07030009
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • Electric Diesel Fuel Heater Kit For FASS System Titanium Series

    Electric Diesel Fuel Heater Kit For FASS System Titanium Series

    FASS

    $207.99
    Titanium Series Optional Electric Diesel Fuel Heater KitUpgrade your FASS System for extreme cold with the Titanium Series Electric Heater Kits. These heaters prevent gelling, aid cold weather...
    09-07030148
    SKU:
    09-07030148
    Truck Class:
    Universal
    Location:
    Made In USA
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $207.99
    Qty in Cart: 0
    Price:
    $207.99
    Subtotal:
  • High Flow Performance Air Filter With Washable Element Media For Freightliner, International & Peterbilt

    High Flow Performance Air Filter With Washable Element Media For Freightliner, International & Peterbilt

    FLEET FILTERS

    $444.99
    High Performance Air Filter Media, Replaces FA3516You never need to waste money on paper filters again! 4 State Trucks proudly offers Fleet Air Filters, the only lifetime, washable, high flow, air...
    29-071300007
    SKU:
    29-071300007
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $444.99
    Qty in Cart: 0
    Price:
    $444.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    3-Wire Alternator Connector W/ 1 12 AWG Lead & 2 18 AWG Leads For GM Alternators W/ Internal Voltage Regulator Replaces 12101895

    3-Wire Alternator Connector W/ 1 12 AWG Lead & 2 18 AWG Leads For GM Alternators W/ Internal Voltage Regulator Replaces 12101895

    AFTERMARKET

    Now: $5.13
    Was: $21.11
    3-Wire Alternator Connector W/ 1 12 AWG Lead & 2 18 AWG Leads Replaces 12101895 GM Alternators W/ Internal Voltage RegulatorKeep your charging system properly connected with this high-quality 3-Wire...
    29-16030005
    SKU:
    29-16030005
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $5.13
    Was: $21.11
    Qty in Cart: 0
    Price:
    Now: $5.13
    Was: $21.11
    Subtotal:
  • On Sale
    Limited Quantity Available
    FREE SHIPPING OVER $249
    Stainless Steel 10MM Nylon Insert Lock Nut W/ 1 Inch Diameter 6 MM Thickness

    Stainless Steel 10MM Nylon Insert Lock Nut W/ 1 Inch Diameter 6 MM Thickness

    AFTERMARKET

    Now: $0.08
    Was: $0.34
    10MM Nylon Insert Lock Nut Stainless Steel W/ 1 Inch Diameter 6 MM ThicknessThis 6MM stainless-steel lock nut has a molded nylon insert to lock a bolt into place. Its hex design allows it to be...
    1L2550000A20000
    SKU:
    1L2550000A20000
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Product Type:
    Engine Parts
    Now: $0.08
    Was: $0.34
    Qty in Cart: 0
    Price:
    Now: $0.08
    Was: $0.34
    Subtotal:
  • FASS Industrial Series Diesel 100 GPH Fuel System For Class 8 UIM Engines

    FASS Industrial Series Diesel 100 GPH Fuel System For Class 8 UIM Engines

    FASS

    $789.99
    100 GPH Fuel System Fits Class 8 UIM Engines* High Quality Diesel Fuel System* Aluminum Housing* Fass Air Separation Port Ties Into OEM Engine Fuel Return* Preset 16 PSI Fuel Pressure * 100 Gallons...
    09-07030003
    SKU:
    09-07030003
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $789.99
    Qty in Cart: 0
    Price:
    $789.99
    Subtotal:
  • Fleetguard WF2127 Spin On Water Filter For Cummins ISX QSX Models

    Fleetguard WF2127 Spin On Water Filter For Cummins ISX QSX Models

    OPP - ORIGINAL PARTS PROGRAM

    $55.99
    Coolant Filter For Cummins ISX Engines* High Quality Water Filter* Spin On* Sold Individually* Warranty On Water Filters Against Defects In Workmanship & Material From Date Of Purchase*** This Is An...
    WF2127FLG
    SKU:
    WF2127FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
    Subtotal:
  • Borg Warner Turbocharger For Detroit 12.7 60 Series Engine

    Borg Warner Turbocharger For Detroit 12.7 60 Series Engine

    AREA DIESEL SERVICE

    $1,047.99
    Turbocharger Fits 12.7L 60 Series Detroit EngineUpgrade your 12.7 60 Series Detroit-equipped truck with the Airwerks S400SX4 performance turbocharger by Borg Warner. This turbocharger is designed for...
    09-0704041
    SKU:
    09-0704041
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,047.99
    Qty in Cart: 0
    Price:
    $1,047.99
    Subtotal:
  • Turbocharger For N14 Cummins Borg Warner 14.0L BHT3E

    Turbocharger For N14 Cummins Borg Warner 14.0L BHT3E

    AREA DIESEL SERVICE

    $1,679.99
    Borg Warner 14L BHT3E Turbocharger For Cummins N14* High Quality Turbocharger* Replaces OE Number 3531733, 3536095, 3536263, 3537074, 3803585, 3804308, 3804502, 3531267, 3592678, 3592512* Sold...
    09-0704043
    SKU:
    09-0704043
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,679.99
    Qty in Cart: 0
    Price:
    $1,679.99
    Subtotal:
  • BESTfit Turbocharger Replaces 1679271, OR7299 For Caterpillar 3406E, C15 Engines

    BESTfit Turbocharger Replaces 1679271, OR7299 For Caterpillar 3406E, C15 Engines

    BESTFIT TRUCK PARTS

    $1,299.99
    Replacement Aftermarket Caterpillar 3406E / C15 Series Turbocharger By BESTfit* High Quality Turbocharger* Low Pressure Stage * Sold Individually* Warranty On Turbochargers Against Defects In...
    29-07040017
    SKU:
    29-07040017
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Product Type:
    Engine Parts
    $1,299.99
    Qty in Cart: 0
    Price:
    $1,299.99
    Subtotal:
  • FASS Industrial Series Diesel 260 GPH Fuel System, Class 8

    FASS Industrial Series Diesel 260 GPH Fuel System, Class 8

    FASS

    $1,135.99
    260 GPH Fuel System* High Quality Diesel Fuel System* Aluminum Housing* Fass Air Separation Port Ties Into OEM Engine Fuel Return* Preset 16 PSI Fuel Pressure* 260 Gallons Per Hour Flow Rating*...
    09-07030007
    SKU:
    09-07030007
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,135.99
    Qty in Cart: 0
    Price:
    $1,135.99
    Subtotal:
  • BESTfit Turbocharger Replaces 3804502 For Cummins N14 Engines

    BESTfit Turbocharger Replaces 3804502 For Cummins N14 Engines

    BESTFIT TRUCK PARTS

    $738.99
    Replacement Aftermarket Cummins N14 Series Turbocharger By BESTfit* High Quality Turbocharger* Model Type- HT 60 * Sold Individually* Warranty On Turbochargers Against Defects In Workmanship &...
    29-07040016
    SKU:
    29-07040016
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    $738.99
    Qty in Cart: 0
    Price:
    $738.99
    Subtotal:
  • FREE SHIPPING OVER $249
    FASS Fuel System Mounting Bracket - Eliminates Frame Drilling

    FASS Fuel System Mounting Bracket - Eliminates Frame Drilling

    FASS

    $161.99
    FASS Fuel System Mounting Bracket* High Quality Bracket* Eliminates Frame Drilling* Fits Frame Heights From 10 Inch To 11.75 Inch* Designed To Fit Securely Around The Frame* Sold Individually* Made...
    09-07030153
    SKU:
    09-07030153
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $161.99
    Qty in Cart: 0
    Price:
    $161.99
    Subtotal:
  • Lower Rear Motor Mount Bushing For Freightliner

    Lower Rear Motor Mount Bushing For Freightliner

    AUTOMANN USA

    $8.90
    Motor Mount Bushing Replaces 01-33244-000* High Quality Motor Mount Bushing* Lower Rear* 4 Inch Outer Diameter* 1.340 Inch Inner Diameter* 0.900 Inch Thick* Sold Individually* Warranty On Motor Mount...
    03-07120014
    SKU:
    03-07120014
    Product Type:
    Engine Parts
    Shape Options:
    Round
    Position:
    Lower
    Height Options:
    1 Inch
    Diameter Options:
    4 Inch
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    $8.90
    Qty in Cart: 0
    Price:
    $8.90
    Subtotal:
  • BESTfit Air Operated Fan Clutch Replaces 10900960001, 10900965001B, 20955539

    BESTfit Air Operated Fan Clutch Replaces 10900960001, 10900965001B, 20955539

    BESTFIT TRUCK PARTS

    $630.99
    Air Operated Fan Clutch By BESTfit Replaces 10900960001, 10900965001B, 20955539Upgrade your cooling system with the BESTfit Air Operated Fan Clutch, a direct replacement for OEM part numbers...
    29-07060192
    SKU:
    29-07060192
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $630.99
    Qty in Cart: 0
    Price:
    $630.99
    Subtotal:
  • Bully Dog 9 Pin Diagnostic Plug For 2016-Newer J1939 Type 2 Plug System

    Bully Dog 9 Pin Diagnostic Plug For 2016-Newer J1939 Type 2 Plug System

    BULLY DOG

    $89.19
    Replacement Diagnostic Plug For 2016 & Newer CompatibilityIf you are moving an older Bully Dog device to a newer vehicle, 4 State Trucks can help you keep compatibility with this 9 pin diagnostic...
    09-070400004
    SKU:
    09-070400004
    Truck Class:
    Heavy Duty
    Make:
    Ford
    Make:
    Mack
    Make:
    Kenworth
    Make:
    Western Star
    Make:
    Freightliner
    Make:
    Peterbilt
    Make:
    International
    Make:
    Volvo
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $89.19
    Qty in Cart: 0
    Price:
    $89.19
    Subtotal:
  • High Flow Performance Air Filter With Washable Element Media For Freightliner, Mack & Peterbilt

    High Flow Performance Air Filter With Washable Element Media For Freightliner, Mack & Peterbilt

    FLEET FILTERS

    $444.99
    High Performance Air Filter, Replaces FA2680You never need to waste money on paper filters again! 4 State Trucks proudly offers Fleet Air Filters, the only lifetime, washable, high flow, air filters...
    29-071300001
    SKU:
    29-071300001
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $444.99
    Qty in Cart: 0
    Price:
    $444.99
    Subtotal:
  • Differential Pressure Sensor Replaces A0111532928 For Freightliner

    Differential Pressure Sensor Replaces A0111532928 For Freightliner

    AFTERMARKET

    $65.99
    4 Pin Differential Pressure Sensor* High Quality Differential Pressure Sensor* 4 Pin* Rectangle Shape* 4.074 Inch Length* 2.900 Inch Width* Sold Individually* Warranty On Differential Pressure...
    03-07100006
    SKU:
    03-07100006
    Length Options:
    4 Inch
    Product Type:
    Engine Parts
    Width Options:
    2 3/4 Inch
    Shape Options:
    Rectangular
    Make:
    Freightliner
    $65.99
    Qty in Cart: 0
    Price:
    $65.99
    Subtotal:
  • Mounting Package For Fuel Pump W/ 100 Or 165 GPH Flow Rating For Class 8 Applications

    Mounting Package For Fuel Pump W/ 100 Or 165 GPH Flow Rating For Class 8 Applications

    FASS

    $50.99
    Mounting Package For Fuel Pump W/ 100 Or 165 GPH Flow Rating* High Quality Mounting Package* For Fuel Pumps With 100 Or 165 Gallons Per Hour Flow Rating* Made In The USA* Sold Individually* Warranty...
    09-07030010
    SKU:
    09-07030010
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • Turbocharger For 3406E 475-550 HP CAT Equipped Trucks

    Turbocharger For 3406E 475-550 HP CAT Equipped Trucks

    AFTERMARKET

    $2,192.99
    Turbocharger Fits 3406E 475-550 HP CAT Equipped TrucksThe OE-TurboPower turbo is precisely calibrated to meet modern heavy-duty engine demands. Rigorous quality control inspections are conducted to...
    09-0704040
    SKU:
    09-0704040
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $2,192.99
    Qty in Cart: 0
    Price:
    $2,192.99
    Subtotal:
  • BESTfit Six Bolt PowerShift Power Take-Off For Mechanical Transmissions Replaces 180274J, 270GBHVPB3XK, 272GBHVPB3RK

    BESTfit Six Bolt PowerShift Power Take-Off For Mechanical Transmissions Replaces 180274J, 270GBHVPB3XK, 272GBHVPB3RK

    BESTFIT TRUCK PARTS

    $3,311.99
    Six Bolt PowerShift Power Take-Off By BESTfit Replaces 180274J, 270GBHVPB3XK, 272GBHVPB3RK Fits Mechanical TransmissionsDesigned for strength and dependable operation, the BESTfit Six Bolt PowerShift...
    29-07050039
    SKU:
    29-07050039
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $3,311.99
    Qty in Cart: 0
    Price:
    $3,311.99
    Subtotal:
  • Bully Dog 6 Pin Diagnostic Plug

    Bully Dog 6 Pin Diagnostic Plug

    BULLY DOG

    $63.49
    Replacement Diagnostic Plug For Bully Dog DevicesIf you lost or damaged your 6 pin diagnostic plug, 4 State Trucks has you covered. This high quality replacement part will get your Bully Dog device...
    09-070400003
    SKU:
    09-070400003
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $63.49
    Qty in Cart: 0
    Price:
    $63.49
    Subtotal:
  • Mounting Package For Fuel Pump W/ 95 Or 165 GPH Flow Rating For Class 8 Applications

    Mounting Package For Fuel Pump W/ 95 Or 165 GPH Flow Rating For Class 8 Applications

    FASS

    $40.79
    Mounting Package For Fuel Pump W/ 95 Or 165 GPH Flow Rating* High Quality Mounting Package* For Fuel Pump For Class 8 Trucks* For Fuel Pumps With 95 Or 165 Gallons Per Hour Flow Rating* Made In The...
    09-07030008
    SKU:
    09-07030008
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $40.79
    Qty in Cart: 0
    Price:
    $40.79
    Subtotal:
  • Mounting Package For Fuel Pump W/ 140. 240. 250.260 Or 290 GPH Flow Rating

    Mounting Package For Fuel Pump W/ 140. 240. 250.260 Or 290 GPH Flow Rating

    FASS

    $48.43
    Mounting Package For Fuel Pump W/ 140. 240. 250.260 Or 290 GPH Flow Rating* High Quality Mounting Package* For Fuel Pumps With 140, 240, 250, 260, Or 290 Gallons Per Hour Flow Rating* Universal In...
    09-07030011
    SKU:
    09-07030011
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $48.43
    Qty in Cart: 0
    Price:
    $48.43
    Subtotal:
  • FASS Industrial Series Diesel 140 GPH Fuel System, Class 8

    FASS Industrial Series Diesel 140 GPH Fuel System, Class 8

    FASS

    $1,032.99
    140 GPH Fuel System* High Quality Diesel Fuel System* Aluminum Housing* Fass Air Separation Port Ties Into OEM Engine Fuel Return* Preset 16 PSI Fuel Pressure* 140 Gallons Per Hour Flow Rating*...
    09-07030005
    SKU:
    09-07030005
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,032.99
    Qty in Cart: 0
    Price:
    $1,032.99
    Subtotal:
  • Turbocharger For Cummins ISX Engines - Replaces 4043620

    Turbocharger For Cummins ISX Engines - Replaces 4043620

    AREA DIESEL SERVICE

    $4,636.99
    Replacement 4043620 Turbocharger* High Quality Turbocharger* Aluminum Compressor Housing* Turbine Housing Included* V-Band Compressor Outlet Style* Sold Individually* Warranty On Turbocharger Against...
    09-0704044
    SKU:
    09-0704044
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $4,636.99
    Qty in Cart: 0
    Price:
    $4,636.99
    Subtotal:
  • AirDog Fuel Pressure Splice W/ 1/8 Inch NPT Center Fitting Port

    AirDog Fuel Pressure Splice W/ 1/8 Inch NPT Center Fitting Port

    AIRDOG HD

    $13.00
    Fuel Pressure Splice W/ 1/8 Inch NPT Center Fitting Port By AirDog* High Quality Fuel Pressure Splice* Designed To Go Into A 1/2 Inch Fuel Hose* Includes:  - 1/8 Inch NPT Center Fitting Port* Sold...
    09-07030172
    SKU:
    09-07030172
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Make:
    Universal Items
    $13.00
    Qty in Cart: 0
    Price:
    $13.00
    Subtotal:
  • Heavy Duty Electronic Throttle Body Replaces 3867648, 4934537, 4990721 For Cummins ISL-G, ISX-G

    Heavy Duty Electronic Throttle Body Replaces 3867648, 4934537, 4990721 For Cummins ISL-G, ISX-G

    DAYTON / DORMAN

    $574.99
    Heavy Duty Electronic Throttle Body Fits Cummins ISL-G & ISX-G Engines* High Quality Heavy Duty Electronic Throttle Body* Aluminum Case* Adjustable: No* Bore Diameter: 2.89 In* Color/Finish: Natural*...
    29-0703514
    SKU:
    29-0703514
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $574.99
    Qty in Cart: 0
    Price:
    $574.99
    Subtotal:
  • BESTfit Air Operated Fan Clutch 5 Inch Pilot Replaces 10900975001, 10900975001B, 10900990001

    BESTfit Air Operated Fan Clutch 5 Inch Pilot Replaces 10900975001, 10900975001B, 10900990001

    BESTFIT TRUCK PARTS

    $792.99
    5 Inch Pilot Air Operated Fan Clutch By BESTfit Replaces 10900975001, 10900975001B, 10900990001The BESTfit Air Operated Fan Clutch 5" Pilot is a high-quality replacement solution for OEM part numbers...
    29-07060203
    SKU:
    29-07060203
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $792.99
    Qty in Cart: 0
    Price:
    $792.99
    Subtotal:
  • BESTfit Turbocharger Replaces 4089754 For Cummins ISX Engines

    BESTfit Turbocharger Replaces 4089754 For Cummins ISX Engines

    BESTFIT TRUCK PARTS

    $706.99
    Replacement Cummins ISX Turbocharger By BESTfit* High Quality Turbocharger* Sold Individually* Warranty On Turbochargers Against Defects In Workmanship & Material From Date Of Purchase*** High...
    29-07040004
    SKU:
    29-07040004
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Product Type:
    Engine Parts
    $706.99
    Qty in Cart: 0
    Price:
    $706.99
    Subtotal:
  • EGR Cooler Heavy Duty Gasket Kit Replaces 4309491NX For Cummins ISX Gen 2I 15L Engine

    EGR Cooler Heavy Duty Gasket Kit Replaces 4309491NX For Cummins ISX Gen 2I 15L Engine

    DAYTON / DORMAN

    $296.99
    EGR Cooler Heavy Duty Gasket Kit For Cummins ISX Gen 2I 15 Liter 2010-2011Avoid costly downtime with the EGR Cooler Heavy Duty Gasket Kit for Cummins ISX 15L Gen 2I. Including all gaskets and...
    29-0711008
    SKU:
    29-0711008
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Make:
    Freightliner
    Make:
    Western Star
    Make:
    Peterbilt
    Make:
    Volvo
    Product Type:
    Engine Parts
    $296.99
    Qty in Cart: 0
    Price:
    $296.99
    Subtotal:
  • Brass Oil Pressure Sensor W/ Rectangle Female Connector And 3 Blade Male Terminal For Freightliner And Western Star

    Brass Oil Pressure Sensor W/ Rectangle Female Connector And 3 Blade Male Terminal For Freightliner And Western Star

    DAYTON / DORMAN

    $69.99
    Rectangle Female Connector Brass Oil Pressure Sensor, Replaces A0041534928This engine oil pressure sensor is designed to match the function of an original sensor on specified vehicles. It is...
    29-071000030
    SKU:
    29-071000030
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Engine Parts
    $69.99
    Qty in Cart: 0
    Price:
    $69.99
    Subtotal:
  • BESTfit Warner Retrofit Kit K32 Replaces 10334070001

    BESTfit Warner Retrofit Kit K32 Replaces 10334070001

    BESTFIT TRUCK PARTS

    $601.99
    Warner Retrofit Kit K32 By BESTfit Replaces 10334070001Upgrade your cooling system with the BESTfit Warner Retrofit Kit K32, a direct replacement for OEM part number 10334070001. Designed for Borg...
    29-07060201
    SKU:
    29-07060201
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $601.99
    Qty in Cart: 0
    Price:
    $601.99
    Subtotal:
  • 3 Layer Replacement Air Filter Wrap For 29-071300001 High Performance Air Filter For Freightliner, Mack & Peterbilt

    3 Layer Replacement Air Filter Wrap For 29-071300001 High Performance Air Filter For Freightliner, Mack & Peterbilt

    FLEET FILTERS

    $195.99
    3 Layer Replacement Air Filter Wrap For High Performance Air Filter* High Quality Replacement Air Filter Wrap* For 29-071300001* 3 Layer Design* Do Not Come Pre-Oiled* Oil Is Required Before...
    29-071300003
    SKU:
    29-071300003
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $195.99
    Qty in Cart: 0
    Price:
    $195.99
    Subtotal:
  • Mounting Package For Fuel Pump W/ 290 GPH Flow Ratings

    Mounting Package For Fuel Pump W/ 290 GPH Flow Ratings

    FASS

    $77.99
    Mounting Package For Fuel Pump W/ 290 GPH Flow Ratings* High Quality Mounting Package* For Fuel Pumps With 290 Gallons Per Hour Flow Rating* Made In The USA* Sold Individually* Warranty On Mounting...
    29-070300007
    SKU:
    29-070300007
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $77.99
    Qty in Cart: 0
    Price:
    $77.99
    Subtotal:
  • BESTfit 6 Inch Diameter Quiet Performance Muffler 4 ID / 5 ID X 29 Inch OAL

    BESTfit 6 Inch Diameter Quiet Performance Muffler 4 ID / 5 ID X 29 Inch OAL

    BESTFIT TRUCK PARTS

    $1,064.99
    BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet, 5 Inch OutletElevate your driving experience with the BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler...
    09-080200013
    SKU:
    09-080200013
    Truck Class:
    Universal
    Diameter Options:
    5 Inch
    Length Options:
    29 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $1,064.99
    Qty in Cart: 0
    Price:
    $1,064.99
    Subtotal:
  • Belt Tensioner Assembly - 1.62 X 2.75 OD Pulley

    Belt Tensioner Assembly - 1.62 X 2.75 OD Pulley

    AFTERMARKET

    $606.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width 2.620 Inch  - Pulley O.D. 5.750 Inch* Number Of Grooves- 2* Sold Individually* Warranty On...
    29-07060004
    SKU:
    29-07060004
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $606.99
    Qty in Cart: 0
    Price:
    $606.99
    Subtotal:
  • Belt Tensioner Assembly - 1.10 X 3.15 OD Inch Pulley

    Belt Tensioner Assembly - 1.10 X 3.15 OD Inch Pulley

    AFTERMARKET

    $151.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width 1.10 Inch  - Pulley O.D. 3.15 Inch* Sold Individually* Warranty On Tensioner Assemblies Against...
    29-07060032
    SKU:
    29-07060032
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $151.99
    Qty in Cart: 0
    Price:
    $151.99
    Subtotal:
  • Belt Tensioner Assembly - 1.311 X 3.023 OD Inch Pulley

    Belt Tensioner Assembly - 1.311 X 3.023 OD Inch Pulley

    AFTERMARKET

    $162.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.311 Inch  - Pulley O.D. 3.023 Inch* Number Of Grooves- 8* Sold Individually* Warranty On...
    29-07060022
    SKU:
    29-07060022
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $162.99
    Qty in Cart: 0
    Price:
    $162.99
    Subtotal:
  • Belt Tensioner Assembly - 1.692 X 2.913 OD Inch Pulley

    Belt Tensioner Assembly - 1.692 X 2.913 OD Inch Pulley

    AFTERMARKET

    $230.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.692 Inch  - Pulley O.D. 2.913 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060023
    SKU:
    29-07060023
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $230.99
    Qty in Cart: 0
    Price:
    $230.99
    Subtotal:
  • Belt Tensioner Assembly - 1.535 X 2.952 OD Pulley

    Belt Tensioner Assembly - 1.535 X 2.952 OD Pulley

    AFTERMARKET

    $186.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.279 Inch  - Pulley O.D. 2.952 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060008
    SKU:
    29-07060008
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $186.99
    Qty in Cart: 0
    Price:
    $186.99
    Subtotal:
  • Belt Tensioner Assembly - 1.574 X 2.952 OD Pulley

    Belt Tensioner Assembly - 1.574 X 2.952 OD Pulley

    AFTERMARKET

    $171.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.574 Inch  - Pulley O.D. 2.952 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060013
    SKU:
    29-07060013
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $171.99
    Qty in Cart: 0
    Price:
    $171.99
    Subtotal:
  • Belt Tensioner Assembly - 1.811 X 3.149 OD Inch Pulley

    Belt Tensioner Assembly - 1.811 X 3.149 OD Inch Pulley

    AFTERMARKET

    $189.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.811 Inch  - Pulley O.D. 3.149 Inch* Number Of Grooves- 6* Sold Individually* Warranty On...
    29-07060018
    SKU:
    29-07060018
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $189.99
    Qty in Cart: 0
    Price:
    $189.99
    Subtotal:
  • Belt Tensioner Assembly - 1.279X 2.362 OD Inch Pulley

    Belt Tensioner Assembly - 1.279X 2.362 OD Inch Pulley

    AFTERMARKET

    $155.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.279 Inch  - Pulley O.D. 2.362 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060025
    SKU:
    29-07060025
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $155.99
    Qty in Cart: 0
    Price:
    $155.99
    Subtotal:
  • Belt Tensioner Assembly - 1.574 X 3.405 OD Inch Pulley

    Belt Tensioner Assembly - 1.574 X 3.405 OD Inch Pulley

    AFTERMARKET

    $213.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.574 Inch  - Pulley O.D. 3.405 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060015
    SKU:
    29-07060015
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $213.99
    Qty in Cart: 0
    Price:
    $213.99
    Subtotal:
  • Belt Tensioner Assembly - 1.826 X 2.952 OD Inch Pulley

    Belt Tensioner Assembly - 1.826 X 2.952 OD Inch Pulley

    AFTERMARKET

    $197.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.826 Inch  - Pulley O.D. 2.952 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060017
    SKU:
    29-07060017
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $197.99
    Qty in Cart: 0
    Price:
    $197.99
    Subtotal:
  • Belt Tensioner Assembly - 1.279 X 2.952 OD Inch Pulley

    Belt Tensioner Assembly - 1.279 X 2.952 OD Inch Pulley

    AFTERMARKET

    $138.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.279 Inch  - Pulley O.D. 2.952 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060014
    SKU:
    29-07060014
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $138.99
    Qty in Cart: 0
    Price:
    $138.99
    Subtotal:
  • Belt Tensioner Assembly - 1.574 X 2.952 OD Inch Pulley

    Belt Tensioner Assembly - 1.574 X 2.952 OD Inch Pulley

    AFTERMARKET

    $173.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.574 Inch  - Pulley O.D. 2.952 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060016
    SKU:
    29-07060016
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $173.99
    Qty in Cart: 0
    Price:
    $173.99
    Subtotal:
  • Belt Tensioner Assembly - 2.244 X 2.913 OD Inch Pulley For Kenworth T660, Peterbilt 379

    Belt Tensioner Assembly - 2.244 X 2.913 OD Inch Pulley For Kenworth T660, Peterbilt 379

    AFTERMARKET

    $220.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 2.244 Inch  - Pulley O.D. 2.913 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060024
    SKU:
    29-07060024
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $220.99
    Qty in Cart: 0
    Price:
    $220.99
    Subtotal:
  • Belt Tensioner Assembly - 1.811 X 2.992 OD Pulley

    Belt Tensioner Assembly - 1.811 X 2.992 OD Pulley

    AFTERMARKET

    $159.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width 1.811 Inch  - Pulley O.D. 2.992 Inch* Sold Individually* Warranty On Tensioner Assemblies Against...
    29-07060001
    SKU:
    29-07060001
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $159.99
    Qty in Cart: 0
    Price:
    $159.99
    Subtotal:
  • Belt Tensioner Assembly - 1.574 X 2.259 OD Pulley

    Belt Tensioner Assembly - 1.574 X 2.259 OD Pulley

    AFTERMARKET

    $398.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width 1.574 Inch/ 1.594 Inch/ 1.259 Inch  - Pulley O.D. 2.952 Inch/ 2.913 Inch/ 2.755 Inch* Sold...
    29-07060002
    SKU:
    29-07060002
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $398.99
    Qty in Cart: 0
    Price:
    $398.99
    Subtotal:
  • Tensioner Assembly - 1.574 X 2.952 OD Inch Pulley

    Tensioner Assembly - 1.574 X 2.952 OD Inch Pulley

    AFTERMARKET

    $288.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.574 Inch  - Pulley O.D. 2.952 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060021
    SKU:
    29-07060021
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $288.99
    Qty in Cart: 0
    Price:
    $288.99
    Subtotal:
  • Belt Tensioner Assembly - 1.279 X 2.952 OD Pulley

    Belt Tensioner Assembly - 1.279 X 2.952 OD Pulley

    AFTERMARKET

    $313.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width 1.279 Inch  - Pulley O.D. 2.952 Inch* Sold Individually* Warranty On Tensioner Assemblies Against...
    29-07060003
    SKU:
    29-07060003
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $313.99
    Qty in Cart: 0
    Price:
    $313.99
    Subtotal:
  • Belt Tensioner Assembly - 1.826 X 2.952 OD Inch Pulley Replaces 49587, 38634, 1873217C1

    Belt Tensioner Assembly - 1.826 X 2.952 OD Inch Pulley Replaces 49587, 38634, 1873217C1

    AFTERMARKET

    $211.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.826 Inch  - Pulley O.D. 2.952 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060020
    SKU:
    29-07060020
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $211.99
    Qty in Cart: 0
    Price:
    $211.99
    Subtotal:
  • Total: items /

Adding your products to cart

The Freightliner SD 108-122 Engine & Performance Parts product lineup offers a wide range of high-quality components to optimize the power and efficiency of your commercial vehicle. Featuring top brands like FASS, Bully Dog, and Borg Warner, this product lineup covers essential items like fuel systems, turbochargers, exhaust parts, and more. Whether you're looking to boost horsepower, improve fuel economy, or enhance the overall performance of your Freightliner, you'll find the parts and accessories you need. With a focus on heavy-duty, reliable products, this product lineup is a must for any Freightliner owner or fleet operator seeking to maximize the capabilities of their trucks.

Frequently Asked Questions About Freightliner SD 108-122 Engine & Performance Parts

Will these engine and performance parts fit my specific Freightliner SD model?

The Freightliner SD 108 and SD 122 share many chassis and engine bay similarities, but engine configurations can vary based on model year and the specific engine installed (such as Detroit, Cummins, or other OEM options). Always check the fitment details listed on each product page and have your VIN and engine model on hand when ordering to confirm compatibility before purchase.

Are these parts OEM, aftermarket, or a mix of both?

This category includes a combination of OEM replacement parts and quality aftermarket alternatives designed to match or improve upon factory specifications. Each product listing specifies whether the part is OEM or aftermarket, along with the manufacturer, so you can choose based on your budget and performance goals.

Can installing performance parts affect my truck's warranty or emissions compliance?

Certain performance modifications, especially those related to emissions systems, engine tuning, or exhaust components, may impact your factory warranty or violate EPA and state emissions regulations if not properly certified. We recommend reviewing your warranty terms and confirming any part is legal for on-road use in your operating region before installation.

Do I need professional installation, or can I install these parts myself?

This depends on the complexity of the part. Simpler components like filters, sensors, or basic engine accessories are often manageable for experienced DIY mechanics with the right tools. More involved parts, such as turbochargers, ECM tuners, or major engine components, typically require professional installation to ensure proper fit, calibration, and safe operation.

How do I know if a part will actually improve performance or fuel efficiency?

Results vary based on your truck's engine, current condition, and how the vehicle is used. Product descriptions outline the intended function and benefits of each part, but actual performance gains depend on factors like maintenance history, driving conditions, and load. If you are unsure which part fits your performance goals, our team can help you find options suited to your specific engine and application.


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