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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
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  • Price
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  • Four Turbo Studs For CAT 3406B, 3406C, 3406E, C15, C16 Engine

    Four Turbo Studs For CAT 3406B, 3406C, 3406E, C15, C16 Engine

    BULLY DOG

    $135.99
    Four Turbo Studs For Caterpillar 14.6L 1989-2003 & 15.8L 1995-1998 EnginesFinish a Turbocharger upgrade with Bully Dog Turbo Studs for a secure installation. This premium ARP Turbo Stud kit includes...
    29-0704096
    SKU:
    29-0704096
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $135.99
    Qty in Cart: 0
    Price:
    $135.99
    Subtotal:
  • FREE SHIPPING
    Exhaust Manifold Stud Kit For Caterpillar Engines

    Exhaust Manifold Stud Kit For Caterpillar Engines

    FULL TILT PERFORMANCE

    $349.99
    Caterpillar Exhaust Manifold Stud KitThe Exhaust Manifold Stud Kit for Caterpillar Engines is a must-have for any heavy-duty engine overhaul or maintenance project. This set includes high-quality...
    29-0704095
    SKU:
    29-0704095
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $349.99
    Qty in Cart: 0
    Price:
    $349.99
    Subtotal:
  • Exhaust Manifold & Turbo Gaskets Fit Cummins ISX Engine - Replaces 3102314, 3682710

    Exhaust Manifold & Turbo Gaskets Fit Cummins ISX Engine - Replaces 3102314, 3682710

    BULLY DOG

    $75.99
    Exhaust Manifold Gasket And Turbo Gasket Combo Kit Fits CumminsFor a strong and constant seal between mating surfaces that are exposed to extreme high temperatures, update your gaskets with this...
    29-0704093
    SKU:
    29-0704093
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $75.99
    Qty in Cart: 0
    Price:
    $75.99
    Subtotal:
  • Caterpillar Engine High Performance Stage 1 Turbocharger By Bully Dog

    Caterpillar Engine High Performance Stage 1 Turbocharger By Bully Dog

    BULLY DOG

    $2,000.00
    Bully Dog Turbocharger For CAT EnginesThis Bully Dog high performance stage 1 turbocharger that fits CAT engines gives a 40 horsepower increase and a 5 to 10 PSI boost increase. Bully Dog ensures...
    29-0704092
    SKU:
    29-0704092
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $2,000.00
    Qty in Cart: 0
    Price:
    $2,000.00
    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:
  • FREE SHIPPING OVER $249
    Exhaust Manifold And Turbo Gaskets For CAT 3406E Engines

    Exhaust Manifold And Turbo Gaskets For CAT 3406E Engines

    FULL TILT PERFORMANCE

    $76.99
    Exhaust Manifold And Turbo Gaskets Fits CAT EngineFor strong and constant seals between mating surfaces that are exposed to extreme high temperatures, update your gaskets with this quality exhaust...
    29-0704089
    SKU:
    29-0704089
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    Subtotal:
  • Caterpillar, Cummins, Detroit Engine Gauge Tuner

    Caterpillar, Cummins, Detroit Engine Gauge Tuner

    BULLY DOG

    $1,298.95
    Heavy Duty Gauge Tuner Fits CAT, Cummins And Detroit EnginesIf you are looking for an easy to install tuner that provides a broad selection of customized options, 4 State Trucks offers this quality...
    29-0704074
    SKU:
    29-0704074
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,298.95
    Qty in Cart: 0
    Price:
    $1,298.95
    Subtotal:
  • Heavy Duty Watchdog Multifunction Gauge Pack

    Heavy Duty Watchdog Multifunction Gauge Pack

    BULLY DOG

    $449.99
    Heavy Duty Watchdog Multifunction Gauge PackAre you looking for the perfect tool to help save money and improve driver behavior? 4 State Trucks offers this heavy duty Watchdog Multifunction Gauge...
    29-0704069
    SKU:
    29-0704069
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $449.99
    Qty in Cart: 0
    Price:
    $449.99
    Subtotal:
  • High Performance Turbocharger For Caterpillar C16, C15, 3406E Engines

    High Performance Turbocharger For Caterpillar C16, C15, 3406E Engines

    AFTERMARKET

    $2,467.99
    Performance Turbochargers Fits Caterpillar C16, C15, 3406E EnginesThis aftermarket CAT High Performance Turbocharger fits most C16, C15, & 3406E applications. Equipped with charge air cooler, quick...
    29-0704016
    SKU:
    29-0704016
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Type Options:
    Bolt Mount
    $2,467.99
    Qty in Cart: 0
    Price:
    $2,467.99
    Subtotal:
  • Mahle Crankshaft Replaces 2475146, 6I1453 For CAT 3406, 3406E Engine

    Mahle Crankshaft Replaces 2475146, 6I1453 For CAT 3406, 3406E Engine

    AUTOMANN USA

    $7,002.99
    Mahle Crankshaft Fits CAT 3406 & 3406E Engine* High Quality Mahle Crankshaft * Cat 3406 And 3406E* Sold Individually** Warranty On Mahle Crankshaft Against Defects In Workmanship & Material From Date...
    29-070400050
    SKU:
    29-070400050
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $7,002.99
    Qty in Cart: 0
    Price:
    $7,002.99
    Subtotal:
  • Cummins N14 Turbocharger OE Replacement 09-0704043

    Cummins N14 Turbocharger OE Replacement 09-0704043

    AREA DIESEL SERVICE

    $1,275.99
    Turbocharger Fits N14 Cummins Engine* High Quality Turbocharger* Works With Cummins N14 Engines* Sold Individually* Warranty On Turbocharger Against Defects In Workmanship & Material From Date Of...
    29-070400040
    SKU:
    29-070400040
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,275.99
    Qty in Cart: 0
    Price:
    $1,275.99
    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:
  • 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:
  • FASS Industrial Series Diesel 290 GPH Fuel System For Class 8 UIM Engines

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

    FASS

    $955.99
    290 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* 290 Gallons...
    29-070300005
    SKU:
    29-070300005
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $955.99
    Qty in Cart: 0
    Price:
    $955.99
    Subtotal:
  • FASS Industrial Series Diesel 250 GPH Fuel System For Class 8 UIM Engines

    FASS Industrial Series Diesel 250 GPH Fuel System For Class 8 UIM Engines

    FASS

    $903.99
    250 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* 250 Gallons...
    29-070300004
    SKU:
    29-070300004
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $903.99
    Qty in Cart: 0
    Price:
    $903.99
    Subtotal:
  • FASS Industrial Series Diesel 165 GPH Fuel System For Class 8 UIM Engines

    FASS Industrial Series Diesel 165 GPH Fuel System For Class 8 UIM Engines

    FASS

    $831.99
    165 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* 165 Gallons...
    29-070300003
    SKU:
    29-070300003
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $831.99
    Qty in Cart: 0
    Price:
    $831.99
    Subtotal:
  • FASS Industrial Series Diesel 100 GPH Fuel System, Class 8

    FASS Industrial Series Diesel 100 GPH Fuel System, Class 8

    FASS

    $817.99
    100 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* 100 Gallons Per Hour Flow Rating*...
    29-070300002
    SKU:
    29-070300002
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $817.99
    Qty in Cart: 0
    Price:
    $817.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Large Style Radiator Cap 10 Pound Pressure

    Large Style Radiator Cap 10 Pound Pressure

    PARTS DISTRIBUTING

    $20.38
    Radiator Cap 10 Pound Pressure Large Style* High Quality Radiator Cap* Large Style* 10 Pounds* Sold Individually* Warranty On Radiator Cap Against Defects In Workmanship & Material From Date Of...
    29-070230
    SKU:
    29-070230
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $20.38
    Qty in Cart: 0
    Price:
    $20.38
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    Small Style Radiator Cap W/ 10 Pound Pressure Rating

    Small Style Radiator Cap W/ 10 Pound Pressure Rating

    OPP - ORIGINAL PARTS PROGRAM

    Now: $8.67
    Was: $12.39
    Radiator Cap W/ 10 Pound Pressure Rating Small Style* High Quality Radiator Cap* Small Style* 10 Pounds* Sold Individually* Warranty On Radiator Cap Against Defects In Workmanship & Material From...
    29-070228
    SKU:
    29-070228
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $8.67
    Was: $12.39
    Qty in Cart: 0
    Price:
    Now: $8.67
    Was: $12.39
    Subtotal:
  • Blue Oiler Cap Replacement Plug For Dual Dynamics

    Blue Oiler Cap Replacement Plug For Dual Dynamics

    DUAL DYNAMICS

    $6.56
    Replacement Oil Cap Plug For Dual Dynamics - Blue* High Quality Oil Cap Plug* Blue* For 302PC Dual Dynamics* Sold Individually* Warranty On Oil Cap Plug Against Defects In Workmanship & Material From...
    29-050926
    SKU:
    29-050926
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $6.56
    Qty in Cart: 0
    Price:
    $6.56
    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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