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Mack R Truck Engine Parts & Cooling

Looking to keep your rig running smoothly? Check out 4 State Trucks for top-notch Mack R Truck engine parts and cooling components. Our selection has everything you need for a strong performance.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Stage 1 Billet Wheel VGT Turbo Charger W/ Actuator For Mack MP8 & Volvo D13

    Stage 1 Billet Wheel VGT Turbo Charger W/ Actuator For Mack MP8 & Volvo D13

    BULLY DOG

    $4,750.00
    When downtime isn't an option, upgrading to a turbocharger that installs easily and performs reliably makes all the difference. This Stage 1 Billet Wheel VGT Turbo with Actuator is designed...
    PPR_300803
    SKU:
    PPR_300803
    Material Options:
    Billet Aluminum
    Product Type:
    Engine Parts
    Make:
    Volvo
    Make:
    Mack
    $4,750.00
    Qty in Cart: 0
    Price:
    $4,750.00
    Subtotal:
  • Clutch Housing Replaces A4348 For Mack W/ Fuller Transmissions

    Clutch Housing Replaces A4348 For Mack W/ Fuller Transmissions

    AKMI

    $766.99
    Cast Iron Clutch Housing Fits Mack W/ Fuller TransmissionsMaintain optimal transmission performance with this high-quality Clutch Housing for Mack trucks, a direct replacement for A4348. Constructed...
    11-07050007
    SKU:
    11-07050007
    Product Type:
    Engine Parts
    $766.99
    Qty in Cart: 0
    Price:
    $766.99
    Subtotal:
  • Borgwarner SA3 Turbocharger Replaces 178121, ST166044, 166044, ST178121, 198437, ST198437, 631GC5127AM3, 631GC5127AM3X, 631GC5127M3, 478121 For Mack

    Borgwarner SA3 Turbocharger Replaces 178121, ST166044, 166044, ST178121, 198437, ST198437, 631GC5127AM3, 631GC5127AM3X, 631GC5127M3, 478121 For Mack

    AFTERMARKET

    $1,504.99
    Borgwarner SA3 Turbocharger Fits Mack E7 EnginesRestore your Mack truck's turbo performance with the BorgWarner SA3 Turbocharger. Engineered for high-quality and reliability, this turbocharger fits...
    11-070400003
    SKU:
    11-070400003
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Mack
    $1,504.99
    Qty in Cart: 0
    Price:
    $1,504.99
    Subtotal:
  • Plastic Speed Sensor Replaces 20706327 For Mack

    Plastic Speed Sensor Replaces 20706327 For Mack

    DAYTON / DORMAN

    $58.99
    Mack Speed SensorKeep your Mack truck running smoothly with this premium Plastic Speed Sensor, a direct replacement for 20706327. Featuring a spade terminal for secure electrical connections, this...
    11-07100009
    SKU:
    11-07100009
    Product Type:
    Engine Parts
    Material Options:
    Plastic/Poly
    Make:
    Mack
    $58.99
    Qty in Cart: 0
    Price:
    $58.99
    Subtotal:
  • FREE SHIPPING OVER $249
    3/4 Inch EPDM Rubber Coolant Hose

    3/4 Inch EPDM Rubber Coolant Hose

    BESTFIT TRUCK PARTS

    $5.39
    EPDM Rubber Heater Hose Sold By The Foot* High Quality Coolant Hose* Made Of Rubber* 3/4 ID * Sold By Foot* Warranty On Coolant Hose Against Defects In Workmanship & Material From Date Of Purchase***...
    09-0702010
    SKU:
    09-0702010
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $5.39
    Qty in Cart: 0
    Price:
    $5.39
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 4.5 - 4 X 6 Inch Hot Side Charge Air Intake Hump Hose

    BESTfit 4.5 - 4 X 6 Inch Hot Side Charge Air Intake Hump Hose

    BESTFIT TRUCK PARTS

    $76.99
    Red Hump Hose Reducer For Hot Side By BESTfitProtect your turbo system with the BESTfit Hot Side Charge Air Intake Hump Hose, made from high-quality silicone for maximum heat resistance and...
    09-070111
    SKU:
    09-070111
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    Subtotal:
  • BESTfit 4.5 ID X 4 ID X 7 Inch Charge Air Intake Hump Hose Reducer Hot Side

    BESTfit 4.5 ID X 4 ID X 7 Inch Charge Air Intake Hump Hose Reducer Hot Side

    BESTFIT TRUCK PARTS

    $66.99
    Hot Side 4.5 ID X 4 ID X 7 Inch Charge Air Intake Hump Hose Reducer By BESTfit* High Quality Hump Hose* Made Of Silicone Hose* 4 Inch ID x 4.5 Inch ID x 7 Inch Length* For Hot Side Hook Up To Charge...
    09-070117
    SKU:
    09-070117
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $66.99
    Qty in Cart: 0
    Price:
    $66.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 3.5 X 3 X 5 Inch Charge Air Intake Hump Hose Reducer

    BESTfit 3.5 X 3 X 5 Inch Charge Air Intake Hump Hose Reducer

    BESTFIT TRUCK PARTS

    $47.85
    3.5 X 3 X 5 Inch Charge Air Intake Hump Hose Reducer By BESTfitThis 4-layer silicone-coated fabric, reinforced with stainless steel rings, is designed for tough diesel truck engines. It works in...
    09-070131
    SKU:
    09-070131
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $47.85
    Qty in Cart: 0
    Price:
    $47.85
    Subtotal:
  • BESTfit Charge Air Cooler, Core Size 39.375 X 21.75 X 2.25 Inch, 3.75 Inch Inlet & Outlet For Mack CH W/ E6, E7 Engines

    BESTfit Charge Air Cooler, Core Size 39.375 X 21.75 X 2.25 Inch, 3.75 Inch Inlet & Outlet For Mack CH W/ E6, E7 Engines

    BESTFIT TRUCK PARTS

    $722.99
    BESTfit Charge Air Cooler For MackDeliver maximum cooling efficiency to your Mack CH truck's E6 or E7 engine with the BESTfit Charge Air Cooler. Its core dimensions of 39.375 x 21.75 x 2.25 inches...
    11-07010000
    SKU:
    11-07010000
    Height Options:
    39 Inch
    Diameter Options:
    3 1/2 Inch
    Width Options:
    21 1/2 Inch
    Length Options:
    2 1/4 Inch
    Product Type:
    Engine Parts
    Make:
    Mack
    $722.99
    Qty in Cart: 0
    Price:
    $722.99
    Subtotal:
  • 15.50 X 2 Inch Auto Set Clutch Assembly Replaces 209701-51, 20970151, 209701-61, 20970161 For Mack

    15.50 X 2 Inch Auto Set Clutch Assembly Replaces 209701-51, 20970151, 209701-61, 20970161 For Mack

    AFTERMARKET

    $2,042.99
    Dual Plate, 4 Paddle, 9 Spring Clutch Assembly- 3600 Plate LoadTake your Mack truck's clutch system to the next level with the 15.50 x 2 Inch Auto Set Clutch Assembly, crafted for effortless...
    11-07050004
    SKU:
    11-07050004
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Diameter Options:
    15 1/2 Inch
    Make:
    Mack
    $2,042.99
    Qty in Cart: 0
    Price:
    $2,042.99
    Subtotal:
  • 15.50 X 2 Inch Easy Effort Clutch Assembly Replaces 208925-51, 20892551 For Mack

    15.50 X 2 Inch Easy Effort Clutch Assembly Replaces 208925-51, 20892551 For Mack

    AFTERMARKET

    $1,787.99
    Dual Plate, 4 Paddle, 9 Spring Clutch Assembly- 3600 Plate LoadTake the stress out of heavy-duty driving with the 15.50 x 2 Inch Easy Effort Clutch Assembly, designed for Mack trucks that demand...
    11-07050005
    SKU:
    11-07050005
    Truck Class:
    Heavy Duty
    Diameter Options:
    15 1/2 Inch
    Product Type:
    Engine Parts
    Make:
    Mack
    $1,787.99
    Qty in Cart: 0
    Price:
    $1,787.99
    Subtotal:
  • Power Steering Cap Dipstick Replaces 5839Q347137, FGQ347137, Q347137 For Kenworth, Mack & Peterbilt

    Power Steering Cap Dipstick Replaces 5839Q347137, FGQ347137, Q347137 For Kenworth, Mack & Peterbilt

    AUTOMANN USA

    $9.06
    Power Steering Cap Dipstick For 4 or 9 Quart ReservoirsSmall but essential, this power steering cap dipstick keeps your Kenworth, Mack, or Peterbilt hydraulic system in top condition. Replaces...
    29-071200036
    SKU:
    29-071200036
    Length Options:
    4 1/4 Inch
    Product Type:
    Engine Parts
    Make:
    Kenworth
    Make:
    Peterbilt
    Make:
    Mack
    Ready To Ship:
    Yes
    $9.06
    Qty in Cart: 0
    Price:
    $9.06
    Subtotal:
  • 3.78 X 4.57 Inch Stainless Steel Super Seal Clamp

    3.78 X 4.57 Inch Stainless Steel Super Seal Clamp

    AUTOMANN USA

    $9.90
    Super Seal Worm Drive Clamp* High Quality Clamp* 304 Stainless Steel* Dimensions:  - 3.78 Inch To 4.57 Inch Diameter  - 0.570 Inch Wide  - 5/16 Inch hex Screw* Meets SAE J1508* Corrosion Resistance*...
    09-07020018
    SKU:
    09-07020018
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    $9.90
    Qty in Cart: 0
    Price:
    $9.90
    Subtotal:
  • Turbocharger Boost Sensor Replaces 64MT2101, 20706228 For Mack

    Turbocharger Boost Sensor Replaces 64MT2101, 20706228 For Mack

    AFTERMARKET

    $57.99
    Replacement Heavy Duty Turbocharger Boost SensorKeep your Mack engine performing at its best with this Turbocharger Boost Sensor, engineered for precise ECU feedback. OEM replacement for 64MT2101 and...
    11-07100003
    SKU:
    11-07100003
    Product Type:
    Engine Parts
    Material Options:
    Brass
    Make:
    Mack
    $57.99
    Qty in Cart: 0
    Price:
    $57.99
    Subtotal:
  • CMCAC Outlet Boost Pressure Sensor 64MT446A, 25100873 For Mack

    CMCAC Outlet Boost Pressure Sensor 64MT446A, 25100873 For Mack

    AFTERMARKET

    $57.99
    Mack Turbocharger Boost SensorThis CMCAC outlet boost pressure sensor is designed for the Mack E7 engine ASET AC. It measures 1.84 inches in length and features a 1/4 inch NPT connection. This sensor...
    11-07100004
    SKU:
    11-07100004
    Product Type:
    Engine Parts
    Material Options:
    Brass
    Make:
    Mack
    $57.99
    Qty in Cart: 0
    Price:
    $57.99
    Subtotal:
  • TPHD Diesel Fuel Injector Driver Module For Mack & Volvo

    TPHD Diesel Fuel Injector Driver Module For Mack & Volvo

    TURNPIKE TRUCK TRIM

    $1,379.99
    Atomization ModuleThe Atomization Module manages the fuel flow to the seventh injector during DPF regeneration. It's a sturdy diesel fuel injector driver module that controls both low and...
    29-08060031
    SKU:
    29-08060031
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Make:
    Volvo
    Make:
    Mack
    $1,379.99
    Qty in Cart: 0
    Price:
    $1,379.99
    Subtotal:
  • TPHD Dosing Injection Module Replaces 21534115, 21870667, 23185531 For Mack & Volvo

    TPHD Dosing Injection Module Replaces 21534115, 21870667, 23185531 For Mack & Volvo

    TURNPIKE TRUCK TRIM

    $419.99
    Dosing Injection Module* High Quality Dosing Injection Module* 4 Inch* Advanced Hydrocarbon Injection Module* 4 And 6 Pin* No Programming Required* Sold Individually* Warranty On Dosing Injection...
    29-08060032
    SKU:
    29-08060032
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Make:
    Mack
    Make:
    Volvo
    $419.99
    Qty in Cart: 0
    Price:
    $419.99
    Subtotal:
  • TPHD EGR Pressure Sensor Replaces 21442662, 21713917, 20930137, 21304789, 21634076, 22181342, 1018-1011, 1018-1018

    TPHD EGR Pressure Sensor Replaces 21442662, 21713917, 20930137, 21304789, 21634076, 22181342, 1018-1011, 1018-1018

    TPHD

    $163.99
    EGR Pressure Sensor* High Quality Pressure Sensor* 2.56 Inch C To C* 3 Pin* Regulates Flow* Aides In Reducing Harmful Emissions * Can Help Prevent Engine From Knocking* Sold Individually* Warranty On...
    29-07100031
    SKU:
    29-07100031
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Make:
    Volvo
    Make:
    Mack
    $163.99
    Qty in Cart: 0
    Price:
    $163.99
    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 - 1.279X 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 - 1.10 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 Fan Mount - 1.826 X 2.952 OD Inch Pulley For Mack, Volvo

    Belt Tensioner Assembly Fan Mount - 1.826 X 2.952 OD Inch Pulley For Mack, Volvo

    AFTERMARKET

    $309.99
    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...
    29-07060019
    SKU:
    29-07060019
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Mack
    Make:
    Volvo
    $309.99
    Qty in Cart: 0
    Price:
    $309.99
    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 - 1.311 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 - 1.574 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:
  • TPHD 48.5 MM Oil Pressure Sensor Replaces 21634021, 21302639

    TPHD 48.5 MM Oil Pressure Sensor Replaces 21634021, 21302639

    AFTERMARKET

    $76.99
    Oil Pressure Sensor* High Quality Oil Pressure Sensor* 48.5 MM * 4 Pin* Maintains Oil Pressure In Engine For Proper Lubrication* Sold Individually* Warranty On Oil Pressure Sensors Against Defects In...
    29-07100004
    SKU:
    29-07100004
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Make:
    Mack
    Make:
    Volvo
    Length Options:
    1 3/4 Inch
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    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 - 1.279 X 2.952 OD Pulley For Volvo VNL Gen I, Peterbilt 379

    Belt Tensioner Assembly - 1.279 X 2.952 OD Pulley For Volvo VNL Gen I, Peterbilt 379

    AFTERMARKET

    $252.99
    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...
    29-07060010
    SKU:
    29-07060010
    Product Type:
    Engine Parts
    Material Options:
    Steel
    $252.99
    Qty in Cart: 0
    Price:
    $252.99
    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 - 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 - 1.62 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 - 1.279 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 - 1.826 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:
  • 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 - 1.279 X 2.952 OD Pulley For Kenworth T660, Peterbilt 379

    Belt Tensioner Assembly - 1.279 X 2.952 OD Pulley For Kenworth T660, Peterbilt 379

    AFTERMARKET

    $245.99
    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...
    29-07060009
    SKU:
    29-07060009
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Kenworth
    Make:
    Peterbilt
    $245.99
    Qty in Cart: 0
    Price:
    $245.99
    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 - 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 - 1.279 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 - 0.984 X 2.992 OD Pulley

    Belt Tensioner Assembly - 0.984 X 2.992 OD Pulley

    AFTERMARKET

    $129.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 0.984 Inch  - Pulley O.D. 2.992 Inch.* Number Of Grooves- 6* Sold Individually* Warranty On...
    29-07060011
    SKU:
    29-07060011
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $129.99
    Qty in Cart: 0
    Price:
    $129.99
    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:
  • Belt Tensioner Assembly - 1.59 X 2.95 OD Pulley For Mack, Volvo

    Belt Tensioner Assembly - 1.59 X 2.95 OD Pulley For Mack, Volvo

    AFTERMARKET

    $373.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width 1.59 Inch  - Pulley O.D. 2.950 Inch* Sold Individually* Warranty On Tensioner Assemblies Against...
    29-07060005
    SKU:
    29-07060005
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Mack
    Make:
    Volvo
    $373.99
    Qty in Cart: 0
    Price:
    $373.99
    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:
  • EPDM Blue Radiator Hose 2.75 ID X 36 Inch

    EPDM Blue Radiator Hose 2.75 ID X 36 Inch

    AFTERMARKET

    $190.99
    Replacement EPDM Blue Radiator Hose 2.75 ID* High Quality Radiator Hose* EPDM* Blue* Dimensions: - 2.75 Inch ID - 36 Inch Length* Operating Temperature -40 To 300 Fahrenheit* Allows For Working...
    09-07020027
    SKU:
    09-07020027
    Diameter Options:
    2 3/4 Inch
    Material Options:
    Rubber
    Length Options:
    36 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $190.99
    Qty in Cart: 0
    Price:
    $190.99
    Subtotal:
  • Blue Radiator Hose 36 Inch

    Blue Radiator Hose 36 Inch

    AFTERMARKET

    $135.99
    Replacement Blue Radiator Hose 1.75 Inch IDThis heater hose is tough and durable, featuring a strong EPDM construction and dual spiral aramid reinforcement to handle high temperatures. It operates at...
    09-07020023
    SKU:
    09-07020023
    Diameter Options:
    1 3/4 Inch
    Material Options:
    Rubber
    Length Options:
    36 Inch
    Truck Class:
    Universal
    Color:
    Blue
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $135.99
    Qty in Cart: 0
    Price:
    $135.99
    Subtotal:
  • EPDM Blue Radiator Hose 3 ID X 36 Inch Replaces 57248 & 24848

    EPDM Blue Radiator Hose 3 ID X 36 Inch Replaces 57248 & 24848

    AFTERMARKET

    $202.99
    Replacement EPDM Blue Radiator Hose 3 Inch ID* High Quality Radiator Hose* EPDM* Blue* Dimensions: - 3.00 Inch ID - 36 Inch Length* Operating Temperature -40 To 300 Fahrenheit* Allows For Working...
    09-07020029
    SKU:
    09-07020029
    Diameter Options:
    3 Inch
    Length Options:
    36 Inch
    Material Options:
    Rubber
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $202.99
    Qty in Cart: 0
    Price:
    $202.99
    Subtotal:
  • EPDM Blue Radiator Hose 2.25 ID X 36 Inch

    EPDM Blue Radiator Hose 2.25 ID X 36 Inch

    AFTERMARKET

    $155.99
    Replacement EPDM Blue Radiator Hose 2.25 Inch ID* High Quality Radiator Hose* EPDM* Blue* Dimensions: - 2.25 Inch ID - 36 Inch Length* Operating Temperature -40 To 300 Fahrenheit* Allows For Working...
    09-07020026
    SKU:
    09-07020026
    Diameter Options:
    2 1/4 Inch
    Length Options:
    36 Inch
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $155.99
    Qty in Cart: 0
    Price:
    $155.99
    Subtotal:
  • EPDM Blue Radiator Hose 36 X 2.375 Inch ID

    EPDM Blue Radiator Hose 36 X 2.375 Inch ID

    AFTERMARKET

    $145.99
    Replacement EPDM Blue Radiator Hose 2.375 Inch ID* High Quality Radiator Hose* EPDM* Blue* Dimensions: - 2.375 Inch ID - 36 Inch Length* Operating Temperature -40 To 300 Fahrenheit* Allows For...
    09-07020025
    SKU:
    09-07020025
    Diameter Options:
    2 1/4 Inch
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $145.99
    Qty in Cart: 0
    Price:
    $145.99
    Subtotal:
  • EPDM Blue Radiator Hose 2.50 ID X 36 Inch

    EPDM Blue Radiator Hose 2.50 ID X 36 Inch

    AFTERMARKET

    $185.99
    Replacement Blue Radiator Hose 2.5 IDProtect your engine from overheating with the 2.50 ID X 36 Inch EPDM Blue Radiator Hose. Built from durable EPDM material, it handles temperatures from -40 to...
    09-07020028
    SKU:
    09-07020028
    Diameter Options:
    2 1/2 Inch
    Length Options:
    36 Inch
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $185.99
    Qty in Cart: 0
    Price:
    $185.99
    Subtotal:
  • 0.875 ID X 36 Inch Radiator Hose Replaces 24814 & 57214

    0.875 ID X 36 Inch Radiator Hose Replaces 24814 & 57214

    AFTERMARKET

    $92.99
    Radiator Hose 0.875in X 36in Replaces 24814 & 57214* High Quality Radiator Hose * EPDM* Blue* Dimensions: - 0.875 Inch ID - 36 Inch Length* Operating Temperature -40 To 300 Fahrenheit* Allows For...
    09-07020022
    SKU:
    09-07020022
    Color:
    Blue
    Material Options:
    Rubber
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $92.99
    Qty in Cart: 0
    Price:
    $92.99
    Subtotal:
  • EPDM Blue Radiator Hose 36 Inch

    EPDM Blue Radiator Hose 36 Inch

    AFTERMARKET

    $120.99
    Replacement EPDM Blue Radiator Hose 1.5 Inch ID* High Quality Radiator Hose* EPDM* Blue* Dimensions: - 1.50 Inch ID - 36 Inch Length* Operating Temperature -40 To 300 Fahrenheit* Allows For Working...
    09-07020024
    SKU:
    09-07020024
    Color:
    Blue
    Truck Class:
    Universal
    Diameter Options:
    1 1/2 Inch
    Length Options:
    36 Inch
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $120.99
    Qty in Cart: 0
    Price:
    $120.99
    Subtotal:
  • RigMaster Liquid Hose #6 Bulkhead To Evaporator - High

    RigMaster Liquid Hose #6 Bulkhead To Evaporator - High

    RIGMASTER

    $135.99
    Bulkhead To Evaporator Liquid Hose Size 6* High Quality Liquid Hose* Number 6* Bulkhead To Evaporator * Sold Individually* Warranty On A/C Hoses Against Defects In Workmanship & Material From Date Of...
    RP9405
    SKU:
    RP9405
    Material Options:
    Rubber
    Truck Class:
    Universal
    Location:
    Made In USA
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $135.99
    Qty in Cart: 0
    Price:
    $135.99
    Subtotal:
  • RigMaster APU Suction Hose # 10 Bulkhead To Compressor

    RigMaster APU Suction Hose # 10 Bulkhead To Compressor

    RIGMASTER

    $84.99
    Bulkhead To Compressor Suction Hose Size 10* High Quality Suction Hose* Number 10* Bulkhead To Compressor* Sold Individually* Warranty On A/C Hoses Against Defects In Workmanship & Material From Date...
    RP9401
    SKU:
    RP9401
    Material Options:
    Rubber
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $84.99
    Qty in Cart: 0
    Price:
    $84.99
    Subtotal:
  • RigMaster APU Suction Hose #10 Bulkhead to Evaporator - Low

    RigMaster APU Suction Hose #10 Bulkhead to Evaporator - Low

    RIGMASTER

    $184.99
    Bulkhead to Evaporator Suction Hose Size 10* High Quality Suction Hose* Number 10* Bulkhead To Evaporator * Sold Individually* Warranty On A/C Hoses Against Defects In Workmanship & Material From...
    RP9404
    SKU:
    RP9404
    Location:
    Made In USA
    Material Options:
    Rubber
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $184.99
    Qty in Cart: 0
    Price:
    $184.99
    Subtotal:
  • RigMaster Liquid Hose #6 Condenser To Receiver Drier

    RigMaster Liquid Hose #6 Condenser To Receiver Drier

    RIGMASTER

    $46.81
    Condenser To Receiver Drier Liquid Hose Size 6* High Quality Liquid Hose* Number 6 * Condenser To Receiver Drier * Sold Individually* Warranty On A/C Hoses Against Defects In Workmanship & Material...
    RP9402
    SKU:
    RP9402
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Location:
    Made In USA
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $46.81
    Qty in Cart: 0
    Price:
    $46.81
    Subtotal:
  • RigMaster APU AC Hose #8 Compressor To Condenser

    RigMaster APU AC Hose #8 Compressor To Condenser

    RIGMASTER

    $56.99
    APU Compressor To Condenser AC Size 8 Hose* High Quality A/C Hose* Number 8 * Compressor To Condenser* Sold Individually* Warranty On A/C Hoses Against Defects In Workmanship & Material From Date Of...
    RP9400
    SKU:
    RP9400
    Location:
    Made In USA
    Material Options:
    Rubber
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • RigMaster Liquid Hose #6 Receiver To Drier To Bulkhead - High

    RigMaster Liquid Hose #6 Receiver To Drier To Bulkhead - High

    RIGMASTER

    $72.99
    Receiver To Drier To Bulkhead Liquid Hose Size 6* High Quality Liquid Hose* Number 6 * Receiver To Drier To Bulkhead* Sold Individually* Warranty On A/C Hoses Against Defects In Workmanship &...
    RP9403
    SKU:
    RP9403
    Location:
    Made In USA
    Material Options:
    Rubber
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $72.99
    Qty in Cart: 0
    Price:
    $72.99
    Subtotal:
  • RigMaster AC Compressor - Serpentine Pulley For CAT/Perkins Later 14-6 to T4-6

    RigMaster AC Compressor - Serpentine Pulley For CAT/Perkins Later 14-6 to T4-6

    RIGMASTER

    $432.99
    Replacement for Older Hodyon Compressor* High Quality A/C Serpentine Belt Compressor* Sold Individually* Warranty On A/C Serpentine Belt Compressors Against Defects In Workmanship & Material From...
    RP9132
    SKU:
    RP9132
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $432.99
    Qty in Cart: 0
    Price:
    $432.99
    Subtotal:
  • RigMaster APU High Efficiency A/C Compressor For Caterpillar, Perkins, Kohler

    RigMaster APU High Efficiency A/C Compressor For Caterpillar, Perkins, Kohler

    RIGMASTER

    $485.99
    RigMaster High Efficiency Air Conditioner Compressor For Caterpillar, Perkins, Kohler* High Quality A/C Compressor* High Efficiency* Sold Individually* Warranty On A/C Compressors Against Defects In...
    LG9004
    SKU:
    LG9004
    Location:
    Made In USA
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $485.99
    Qty in Cart: 0
    Price:
    $485.99
    Subtotal:
  • RigMaster APU Exhaust Flex Pipe Assembly For Caterpillar, Perkins LG200

    RigMaster APU Exhaust Flex Pipe Assembly For Caterpillar, Perkins LG200

    RIGMASTER

    $202.99
    RigMaster Exhaust Flex Pipe Assembly For Caterpillar & Perkins LG200* High Quality Flexible Pipe Assembly* Sold Individually* Warranty On Flexible Pipe Assemblies Against Defects In Workmanship &...
    LG6003K
    SKU:
    LG6003K
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $202.99
    Qty in Cart: 0
    Price:
    $202.99
    Subtotal:
  • RigMaster APU Receiver Drier W/ Valve And Pressure Switch 74R0906

    RigMaster APU Receiver Drier W/ Valve And Pressure Switch 74R0906

    RIGMASTER

    $121.99
    Receiver Drier - RP9-027C* High Quality Receiver Drier * Includes Valve And Pressure Switch* Warranty On Receiver Driers Against Defects In Workmanship & Material From Date Of Purchase*** High...
    RP9027C
    SKU:
    RP9027C
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $121.99
    Qty in Cart: 0
    Price:
    $121.99
    Subtotal:
  • RigMaster Coolant Level Sensor Kit - Bottom Mounted

    RigMaster Coolant Level Sensor Kit - Bottom Mounted

    RIGMASTER

    $48.09
    Bottom Mounted Coolant Level Sensor Kit - RP5-1011KKeep your equipment running smoothly with this bottom-mounted Coolant Level Sensor Kit. Easily detect coolant levels, prevent downtime, and ensure...
    RP51011K
    SKU:
    RP51011K
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $48.09
    Qty in Cart: 0
    Price:
    $48.09
    Subtotal:
  • RigMaster Lower Radiator Hose For T4-6 Models W/ Caterpillar Or Perkins Engine

    RigMaster Lower Radiator Hose For T4-6 Models W/ Caterpillar Or Perkins Engine

    RIGMASTER

    $21.44
    Lower Radiator Hose - RP5-027* High Quality Radiator Hose * Lower* May Need To Cut To Fit* Sold Individually * Warranty On Radiator Hoses Against Defects In Workmanship & Material From Date Of...
    RP5027
    SKU:
    RP5027
    Position:
    Lower
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $21.44
    Qty in Cart: 0
    Price:
    $21.44
    Subtotal:
  • RigMaster Upper Radiator Hose 10 1/2 Inch For T4-6 Models W/ Caterpillar Or Perkins Engine

    RigMaster Upper Radiator Hose 10 1/2 Inch For T4-6 Models W/ Caterpillar Or Perkins Engine

    RIGMASTER

    $16.03
    10 1/2 Inch Radiator Upper Hose - RP5-024Check out this quality 10.5 inch top radiator long hose at 4 State Trucks for T4-6 models with Caterpillar and Perkins engines! It's built to last and keep...
    RP5024
    SKU:
    RP5024
    Truck Class:
    Universal
    Length Options:
    10 1/2 Inch
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $16.03
    Qty in Cart: 0
    Price:
    $16.03
    Subtotal:
  • RigMaster A/C Receiver Drier Kit

    RigMaster A/C Receiver Drier Kit

    RIGMASTER

    $41.47
    A/C Receiver Drier Kit - LG9-007K* High Quality Receiver Drier Kit* Sold Individually* Warranty On Receiver Drier Kits Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    LG9007K
    SKU:
    LG9007K
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $41.47
    Qty in Cart: 0
    Price:
    $41.47
    Subtotal:
  • Total: items /

Adding your products to cart

Frequently Asked Questions About Mack R Truck Engine Parts & Cooling

What kinds of components are included in this category?

This category covers engine and cooling system components for Mack R Model trucks, including parts such as radiators, water pumps, fan clutches, hoses, thermostats, gaskets, oil coolers, and related engine hardware. These parts are used to keep the engine running at proper operating temperature and to support overall engine performance and longevity.

How do I know if a part will fit my specific Mack R Model truck?

Mack R Model trucks were produced over a long span of years with several engine options, so fitment can vary based on model year, engine type, and configuration. Before ordering, check the part listing for compatible engine families and specifications, and have your truck's VIN and engine identification numbers on hand. If you are unsure, reach out to our parts specialists to confirm fitment before purchasing.

Should I replace cooling system parts individually or as a set?

It depends on the issue you are addressing. If a single component, such as a water pump or thermostat, has failed, replacing that part alone is often sufficient. However, if your cooling system is older or has multiple worn components, replacing related parts like hoses, clamps, and gaskets at the same time can help prevent repeat failures and reduce additional labor down the road.

What are signs that engine cooling parts need to be replaced?

Common warning signs include engine overheating, visible coolant leaks, low coolant levels without an obvious cause, unusual noises from the fan clutch or water pump, and dashboard temperature warnings. Catching these issues early can help prevent more serious engine damage.

Are these parts new, remanufactured, or aftermarket, and does that affect quality?

Product listings will specify whether a part is new, remanufactured, or aftermarket. Each option can be a reliable choice depending on your budget and needs, but it is important to review the listing details and any included warranty information so you know exactly what you are purchasing and can make the best decision for your application.


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