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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.
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    12 Volt 170 Amp 36 SI Hinge Mount Alternator

    12 Volt 170 Amp 36 SI Hinge Mount Alternator

    AUTOMANN USA

    $419.99
    Hinge Mount AlternatorDelivering consistent and reliable power to your truck's electrical system, the 12 Volt 170 Amp 36 SI Hinge Mount Alternator is built for performance and durability. With 170...
    09-070914
    SKU:
    09-070914
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $419.99
    Qty in Cart: 0
    Price:
    $419.99
    Subtotal:
  • FREE SHIPPING
    12 Volt 140 Amp 35 SI Hinge Mount Alternator

    12 Volt 140 Amp 35 SI Hinge Mount Alternator

    OPP - ORIGINAL PARTS PROGRAM

    $491.99
    J180 Hinge Mount Brush Alternator* High Quality Alternator* Replaces OEM # 8600064, ABP N15 BLJ160, MTRALT-3652, ALT-3652* 35 SI* 12 Volt * 140 AMP* J180 Hinge Mount Type* Sold Individually* Warranty...
    09-070912
    SKU:
    09-070912
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $491.99
    Qty in Cart: 0
    Price:
    $491.99
    Subtotal:
  • FREE SHIPPING
    12 Volt 160 Amp 24 SI Pad Mount Alternator

    12 Volt 160 Amp 24 SI Pad Mount Alternator

    AUTOMANN USA

    $276.99
    12 Volt Alternator Replaces 8600889, ABP N15 555P160, MTRALT-1242, ALT-1242Replace your old alternator with the 12 Volt 160 Amp 24 SI Pad Mount Alternator for reliable truck operation. This...
    09-070911
    SKU:
    09-070911
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $276.99
    Qty in Cart: 0
    Price:
    $276.99
    Subtotal:
  • FREE SHIPPING
    12 Volt 160 Amp 24 SI Hinge Mount Alternator

    12 Volt 160 Amp 24 SI Hinge Mount Alternator

    AUTOMANN USA

    $343.99
    Alternator* High Quality Alternator* Replaces OEM # 8600310, ABP N15 AVI143J170, MTRALT-1243, ALT-1243* 24 SI* 12 Volt * 160 AMP* J180 Hinge Mount Type* Sold Individually* Warranty On Alternator...
    09-070910
    SKU:
    09-070910
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $343.99
    Qty in Cart: 0
    Price:
    $343.99
    Subtotal:
  • 39MT 11 Tooth Starter With Over Crank Protection For Detroit Diesel DD13/15/16 Engines

    39MT 11 Tooth Starter With Over Crank Protection For Detroit Diesel DD13/15/16 Engines

    AUTOMANN USA

    $598.99
    12V Starter With Over Crank ProtectionKeep your Detroit Diesel DD13, DD15, and DD16 running smoothly with the 39MT 11 Tooth Starter with Over Crank Protection. Engineered for 12 volts, this starter...
    09-070904
    SKU:
    09-070904
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $598.99
    Qty in Cart: 0
    Price:
    $598.99
    Subtotal:
  • Starter Solenoid For Delco 42 MT Series

    Starter Solenoid For Delco 42 MT Series

    OPP - ORIGINAL PARTS PROGRAM

    $104.99
    Delco 42MT Series DD Starter Solenoid SwitchThis 12-volt starter solenoid switch is a groundbreaking solution precision engineered for the starting system of today's trucks and vehicles. It is...
    09-070900000
    SKU:
    09-070900000
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • FREE SHIPPING
    Clutch Installation Kit For Fuller RT Transmission ABP N25 K2468

    Clutch Installation Kit For Fuller RT Transmission ABP N25 K2468

    OPP - ORIGINAL PARTS PROGRAM

    $271.99
    Clutch Install Kit* High Quality Clutch Install Kit* For Fuller RT Series Transmissions* Includes All The Wear Items And Gaskets * Kit Includes:  - S-1659 Input Shaft - 2 Inch  - 14750 Retaining Ring...
    09-0705019
    SKU:
    09-0705019
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $271.99
    Qty in Cart: 0
    Price:
    $271.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Cover Kit For Eaton-Fuller FRO Transmissions - Replaces K2910

    Cover Kit For Eaton-Fuller FRO Transmissions - Replaces K2910

    OPP - ORIGINAL PARTS PROGRAM

    $20.75
    Cover Kit* High Quality Transmission Cover Kit* Fits Eaton Fuller FRO Transmissions* Includes:  - Transmission Cover  - Gasket  - (6) Mounting Bolts* Sold Individually* Warranty On Cover Kits Against...
    09-0705014
    SKU:
    09-0705014
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Location:
    Made In USA
    Position:
    Kit Full
    $20.75
    Qty in Cart: 0
    Price:
    $20.75
    Subtotal:
  • FREE SHIPPING OVER $249
    Cover Kit With Screws For Eaton-Fuller RTLO Transmissions - Replaces K2402

    Cover Kit With Screws For Eaton-Fuller RTLO Transmissions - Replaces K2402

    OPP - ORIGINAL PARTS PROGRAM

    $21.62
    Cover Kit for Eaton-Fuller RTLO TransmissionsThe Cover Kit with Screws for Eaton-Fuller RTLO Transmissions replaces OE Number K2402. Crafted to meet high industry standards and made from top-grade...
    09-0705013
    SKU:
    09-0705013
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $21.62
    Qty in Cart: 0
    Price:
    $21.62
    Subtotal:
  • FREE SHIPPING OVER $249
    Seal With Bearing Retainer-Electric For Eaton-Fuller RTLO & FRO Transmission - Replaces K2918

    Seal With Bearing Retainer-Electric For Eaton-Fuller RTLO & FRO Transmission - Replaces K2918

    OPP - ORIGINAL PARTS PROGRAM

    $55.99
    Seal for Eaton Fuller RTLO and FRO Transmissions* High Quality Seal* With Bearing Retainer-Electric* Replaces OEM # K2918* Sold Individually* Warranty On Seal Against Defects In Workmanship &...
    09-0705012
    SKU:
    09-0705012
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Nut For Output Shaft Eaton-Fuller RTLO & FRO Transmission - Replaces K4122

    Nut For Output Shaft Eaton-Fuller RTLO & FRO Transmission - Replaces K4122

    OPP - ORIGINAL PARTS PROGRAM

    $41.04
    Nut Output Shaft* High Quality Nut Output Shaft* Output Shaft For Eaton-Fuller RTLO And From Transmissions* Replaces OEM # K4122* Sold Individually* Warranty On Nut Output Shaft Against Defects In...
    09-0705011
    SKU:
    09-0705011
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $41.04
    Qty in Cart: 0
    Price:
    $41.04
    Subtotal:
  • FREE SHIPPING OVER $249
    Yoke Transmission Output 1810 1/2 Round - Replaces 6.5-4-4631-1

    Yoke Transmission Output 1810 1/2 Round - Replaces 6.5-4-4631-1

    OPP - ORIGINAL PARTS PROGRAM

    $217.99
    Yoke Transmission Output* High Quality Yoke Transmission Output* 1810 1/2 Round* Replaces OEM # 6.5-4-4631-1* Sold Individually* Warranty On Yoke Transmission Output Against Defects In Workmanship &...
    09-0705010
    SKU:
    09-0705010
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $217.99
    Qty in Cart: 0
    Price:
    $217.99
    Subtotal:
  • FREE SHIPPING
    Yoke Transmission Output 1760 1/2 Round - Replaces 6.3-4-1681-1

    Yoke Transmission Output 1760 1/2 Round - Replaces 6.3-4-1681-1

    OPP - ORIGINAL PARTS PROGRAM

    $276.99
    Yoke Transmission Output* High Quality Yoke Transmission Output* 1760 1/2 Round* Replaces OEM # 6.3-4-1681-1* Sold Individually* Warranty On Yoke Transmission Output Against Defects In Workmanship &...
    09-0705009
    SKU:
    09-0705009
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $276.99
    Qty in Cart: 0
    Price:
    $276.99
    Subtotal:
  • Clutch Assembly 15.5 X 2 Inch 10 SPG 6 Pad 2,050 LB Replaces 10839193, 10839193, EP10839193H

    Clutch Assembly 15.5 X 2 Inch 10 SPG 6 Pad 2,050 LB Replaces 10839193, 10839193, EP10839193H

    AFTERMARKET

    $1,029.99
    Easy Pedal Type Clutch AssemblyFeaturing a 15.5-inch diameter, this easy pedal Clutch Assembly offers a torque rating of 2,050 pounds without requiring a core. It also incorporates a Pedal Assist...
    09-0705002
    SKU:
    09-0705002
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Diameter Options:
    15 1/2 Inch
    Width Options:
    2 Inch
    $1,029.99
    Qty in Cart: 0
    Price:
    $1,029.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Turbocharger W/ Wastegate Up To 800 HP - OE: 14969880002 KT14969880002 CAT800

    Turbocharger W/ Wastegate Up To 800 HP - OE: 14969880002 KT14969880002 CAT800

    AREA DIESEL SERVICE

    Now: $1,591.57
    Was: $2,633.99
    Turbocharger OD 4.32 Inch - 109.3 Mm* High Quality Turbocharger* With Wastegate Up To 800Hp* S410Sx Compressor Wheel * O.D. 4.32 Inch - 109.73 Mm * Compressor Wheel Inducer Diameter 3.16 Inch - 80.30...
    09-0704110
    SKU:
    09-0704110
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $1,591.57
    Was: $2,633.99
    Qty in Cart: 0
    Price:
    Now: $1,591.57
    Was: $2,633.99
    Subtotal:
  • Turbo HE451VE W/ Actuator

    Turbo HE451VE W/ Actuator

    AREA DIESEL SERVICE

    $6,984.99
    Turbo W/ Out Core* High Quality Turbo* With Actuator * Core Not Included* Sold Individually* Warranty On Turbo Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    09-0704109
    SKU:
    09-0704109
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $6,984.99
    Qty in Cart: 0
    Price:
    $6,984.99
    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:
  • 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:
  • 2.7L Detroit Diesel S60 K31 Turbocharger D91080016N OE-TurboPower For 350-500 HP Series Engine

    2.7L Detroit Diesel S60 K31 Turbocharger D91080016N OE-TurboPower For 350-500 HP Series Engine

    AFTERMARKET

    $928.99
    Turbocharger For 350-500 HP Series EngineExperience excellence with this meticulously engineered and calibrated turbocharger designed to surpass the original equipment manufacturers standards. It is...
    09-0704042
    SKU:
    09-0704042
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $928.99
    Qty in Cart: 0
    Price:
    $928.99
    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:
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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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