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GMC TopKick Truck Engine & Performance Parts

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  • Qty in Cart
  • Quantity
  • Price
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  • 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:
  • 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:
  • 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

    $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
    $2,050.00
    Qty in Cart: 0
    Price:
    $2,050.00
    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:
  • 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:
  • 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:
  • 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:
  • 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 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:
  • 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 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:
  • 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:
  • Total: items /

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Frequently Asked Questions About GMC TopKick Truck Engine & Performance Parts

Will these engine and performance parts fit my specific GMC TopKick model year and engine?

GMC TopKick trucks were built with several different engine options across their production years, including various Duramax diesel and gas configurations. Always check the part description for confirmed engine and model year compatibility, and have your VIN and engine type on hand when ordering or contacting our sales team to confirm fitment before purchase.

What types of engine and performance parts are typically available for the GMC TopKick?

This category generally includes components such as air intake systems, exhaust components, turbo and charging system parts, engine sensors, gaskets, belts, cooling system components, and other performance-related hardware. Availability can vary depending on the specific engine your TopKick is equipped with.

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

Our selection includes both OEM and quality aftermarket parts depending on the specific item and manufacturer availability. Each product listing specifies the brand and part type so you can decide which option best fits your budget and performance goals.

Can I install these performance parts myself, or do I need a professional mechanic?

Some parts, like filters, belts, or sensors, are straightforward enough for an experienced DIYer with the right tools. More involved components, such as turbo systems or major engine parts, often require specialized tools and mechanical knowledge, so we recommend professional installation for those jobs to ensure proper fit and function.

How do I know if a part will improve performance versus just replacing a worn component?

Replacement parts are designed to restore your engine to factory performance levels, while performance upgrades, such as upgraded intakes or exhaust systems, are built to enhance power, torque, or efficiency beyond stock specifications. Product descriptions typically indicate whether an item is a standard replacement or a performance upgrade, so review those details carefully before buying.


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