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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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  • Low Pressure Switch Replaces 228750. 288522. 288522N. R955228750N. 034042

    Low Pressure Switch Replaces 228750. 288522. 288522N. R955228750N. 034042

    AUTOMANN USA

    $11.65
    LP3 Type Low Pressure Switch* High Quality Low Pressure Switch* LP3 Type* 2 Terminals* At Air Pressure Above 60 PSI, Contacts Are Open. Closes At 60 PSI Dropping Pressure* Sold Individually* Warranty...
    09-05040096
    SKU:
    09-05040096
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $11.65
    Qty in Cart: 0
    Price:
    $11.65
    Subtotal:
  • AC Compressor For New Holland Tractor 7H15 6 Groove Clutch

    AC Compressor For New Holland Tractor 7H15 6 Groove Clutch

    BESTFIT TRUCK PARTS

    $304.99
    A/C Compressor - 6 Groove Clutch* High Quality A/C Compressor* SD7H15* 6 Groove Clutch* Fits New Holland Tractor* Sold Individually* Warranty On A/C Compressors Against Defects In Workmanship &...
    80-070003
    SKU:
    80-070003
    Size Options:
    18 Gauge
    Product Type:
    Engine Parts
    Style Options:
    3 Hole
    Make:
    Universal Items
    Make:
    Other - Semi-Truck
    $304.99
    Qty in Cart: 0
    Price:
    $304.99
    Subtotal:
  • Stamped Steel Oil Pan 2233369PE, 1883597PE For Paccar MX13 Front Sump

    Stamped Steel Oil Pan 2233369PE, 1883597PE For Paccar MX13 Front Sump

    AKMI

    $765.99
    Replacement MX-13 Series Oil Pan* High Quality Oil Pan* For Paccar MX 13 EPA 17* Stampted Steel* Sold Individually* Warranty On Oil Pans Against Defects In Workmanship & Material From Date Of...
    29-072000013
    SKU:
    29-072000013
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Style Options:
    Paccar
    Make:
    Universal Items
    $765.99
    Qty in Cart: 0
    Price:
    $765.99
    Subtotal:
  • Oil Pan 3692887 For Cummins X15 Front Sump

    Oil Pan 3692887 For Cummins X15 Front Sump

    AKMI

    $820.99
    Replacement Cummins X15 Front Sump Oil Pan* High Quality Oil Pan* Cummins Oil Pan* Used Primarily On EPA13 15 Liter ISX/QSX Front Sump* Sold Individually* Warranty On Oil Pans Against Defects In...
    29-072000012
    SKU:
    29-072000012
    Material Options:
    Steel
    Style Options:
    Cummins
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $820.99
    Qty in Cart: 0
    Price:
    $820.99
    Subtotal:
  • Installation Kit For Manifold N14PEM

    Installation Kit For Manifold N14PEM

    AKMI

    $59.99
    Replacement Manifold N14PEM Installation Kit* High Quality Manifold Install Kit* Includes:  - Gaskets  - Studs  - Bolts  - Nuts* Sold As Kit* Warranty On Manifold Install Kits Against Defects In...
    29-0704130
    SKU:
    29-0704130
    Product Type:
    Engine Parts
    Position:
    Kit Full
    Make:
    Universal Items
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly- Replaces 49561, 9062002470

    Serpentine Belt Tensioner Pulley Assembly- Replaces 49561, 9062002470

    AFTERMARKET

    $142.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.279 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060159
    SKU:
    29-07060159
    Truck Class:
    Heavy Duty
    Width Options:
    1 1/4 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $142.99
    Qty in Cart: 0
    Price:
    $142.99
    Subtotal:
  • Shifter Isolator Bushing Kit For Eaton Fuller

    Shifter Isolator Bushing Kit For Eaton Fuller

    OPP - ORIGINAL PARTS PROGRAM

    $29.39
    K3399 Replacement Eaton Fuller Shifter Isolator Bushing KitThis isolator bushing kit is an OE replacement Eaton Fuller part number K3399. The heavy-duty bushings sit between components to cut down...
    K3399
    SKU:
    K3399
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $29.39
    Qty in Cart: 0
    Price:
    $29.39
    Subtotal:
  • Turbocharger Oil Drain Line Replaces 1338940 For Caterpillar Turbocharger

    Turbocharger Oil Drain Line Replaces 1338940 For Caterpillar Turbocharger

    FULL TILT PERFORMANCE

    $212.17
    Caterpillar Turbocharger Oil Drain LineThis reliable turbocharger oil drain line replacement features durable steel tubing and reinforced hose construction. Made in the USA, it delivers lasting...
    FLT-41016
    SKU:
    FLT-41016
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Make:
    Universal Items
    $212.17
    Qty in Cart: 0
    Price:
    $212.17
    Subtotal:
  • Oil Feed Line Replaces 2072805 For Caterpillar Turbocharger

    Oil Feed Line Replaces 2072805 For Caterpillar Turbocharger

    FULL TILT PERFORMANCE

    $262.64
    Caterpillar Turbocharger Oil Feed Line* High Quality Feed Line* Made In USA* Sold Individually* Warranty On Feed Lines Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    FLT-41015
    SKU:
    FLT-41015
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $262.64
    Qty in Cart: 0
    Price:
    $262.64
    Subtotal:
  • Stainless Steel Exhaust Manifold Spacers For Cummins ISX Engine

    Stainless Steel Exhaust Manifold Spacers For Cummins ISX Engine

    FULL TILT PERFORMANCE

    $262.64
    Cummins ISX Exhaust Manifold SpacersThese stainless steel exhaust manifold spacers are designed specifically for Cummins engines. Made in the USA from corrosion-resistant material, they deliver...
    FLT-36100
    SKU:
    FLT-36100
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $262.64
    Qty in Cart: 0
    Price:
    $262.64
    Subtotal:
  • AC Refrigerant Oil PAG 150UV - 8 OZ For R-134a Systems

    AC Refrigerant Oil PAG 150UV - 8 OZ For R-134a Systems

    JOHNSEN'S

    $11.43
    Premium AC Refrigerant Oil With UV Dye - Easy Leak DetectionThis PAG 150 oil works with R134a A/C systems. It helps keep all the moving parts working smoothly while protecting your system from...
    6822UV
    SKU:
    6822UV
    Product Type:
    Engine Parts
    Height Options:
    7 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $11.43
    Qty in Cart: 0
    Price:
    $11.43
    Subtotal:
  • STP Oil Treatment 15 Oz

    STP Oil Treatment 15 Oz

    AFTERMARKET

    $5.19
    Anti-Wear Agent With Viscosity Improver* High Quality Oil Treatment* 15 Ounce* Helps Protect Against Engine Wear* High Viscosity* Sold Individually* Warranty On Oil Treatments Against Defects In...
    65148
    SKU:
    65148
    Height Options:
    8 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $5.19
    Qty in Cart: 0
    Price:
    $5.19
    Subtotal:
  • Oil Pump 23527448 For Series 60 Detroit Diesel 14.0L

    Oil Pump 23527448 For Series 60 Detroit Diesel 14.0L

    AFTERMARKET

    $754.99
    Replacement Detroit Diesel Oil Pump* High Quality Oil Pump* Made In USA* Sold Individually* Warranty On Oil Pumps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    29-07200002
    SKU:
    29-07200002
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Style Options:
    Detroit
    $754.99
    Qty in Cart: 0
    Price:
    $754.99
    Subtotal:
  • Full Tilt 1:32 AR X 78mm Stage 1 Turbocharger For Caterpillar

    Full Tilt 1:32 AR X 78mm Stage 1 Turbocharger For Caterpillar

    FULL TILT PERFORMANCE

    $2,717.99
    Caterpillar 78mm Stage 1 TurbochargerThis high-performance turbocharger is designed specifically for 1990-2003 Caterpillar engines. It features a non-wastegated design with a 78mm intake and 1.32 AR...
    29-0704128
    SKU:
    29-0704128
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Location:
    Made In USA
    Make:
    Universal Items
    $2,717.99
    Qty in Cart: 0
    Price:
    $2,717.99
    Subtotal:
  • BESTfit 6 Inch ID 45 Degree Rubber Air Intake Elbow

    BESTfit 6 Inch ID 45 Degree Rubber Air Intake Elbow

    BESTFIT TRUCK PARTS

    $66.99
    6 Inch ID 45-Degree Exhaust Elbow* High Quality Elbow* 45 Degree* Made Of Rubber* 6 Inch Inner Diameter* Made In USA* Sold Individually* Warranty On Elbows Against Defects In Workmanship & Material...
    09-0905007
    SKU:
    09-0905007
    Degree Options:
    45
    Material Options:
    Rubber
    Diameter Options:
    6 Inch
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $66.99
    Qty in Cart: 0
    Price:
    $66.99
    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:
  • 78mm 1.45 A/R Switchblade Turbocharger For Detroit Diesel Series 60 12.7L & 14L, Cummins ISX15 & X15 - Up To 750 HP For Detroit Diesel and Cummins

    78mm 1.45 A/R Switchblade Turbocharger For Detroit Diesel Series 60 12.7L & 14L, Cummins ISX15 & X15 - Up To 750 HP For Detroit Diesel and Cummins

    SWITCHBLADE TURBO

    $2,375.99
    Switchblade Turbocharger for Cummins ISX15, X15 and Detroit Diesel Series 60 12.7L & 14L Applications* High Quality Switchblade Turbocharger* Significantly Improves Fuel Efficiency By An Estimated 0...
    29-07050022
    SKU:
    29-07050022
    Location:
    Made In USA
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    $2,375.99
    Qty in Cart: 0
    Price:
    $2,375.99
    Subtotal:
  • 80mm 1.45 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 800 HP For Caterpillar Engine

    80mm 1.45 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 800 HP For Caterpillar Engine

    SWITCHBLADE TURBO

    $2,515.99
    Switchblade Turbocharger for Caterpillar 3406 Applications* High Quality Switchblade Turbocharger* Significantly Improves Fuel Efficiency By An Estimated 0.5 MPG - 1.5 MPG, Sometimes More* Includes: ...
    29-07050019-C
    SKU:
    29-07050019-C
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Make:
    Universal Items
    Degree Options:
    90
    Style Options:
    Caterpillar
    $2,515.99
    Qty in Cart: 0
    Price:
    $2,515.99
    Subtotal:
  • 78mm 1.45 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 750 HP For Caterpillar

    78mm 1.45 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 750 HP For Caterpillar

    SWITCHBLADE TURBO

    $2,375.99
    Switchblade Turbocharger for Caterpillar 3406 Applications* High Quality Switchblade Turbocharger* Significantly Improves Fuel Efficiency By An Estimated 0.5 MPG - 1.5 MPG, Sometimes More* 1.45 Air...
    29-07050022-C
    SKU:
    29-07050022-C
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Make:
    Universal Items
    Style Options:
    Caterpillar
    $2,375.99
    Qty in Cart: 0
    Price:
    $2,375.99
    Subtotal:
  • 82mm 1.45 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 825 HP For Caterpillar Engine

    82mm 1.45 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 825 HP For Caterpillar Engine

    SWITCHBLADE TURBO

    $2,655.99
    Switchblade Turbocharger for Caterpillar 3406 Applications* High Quality Switchblade Turbocharger* Significantly Improves Fuel Efficiency By An Estimated 0.5 MPG - 1.5 MPG, Sometimes More* Includes: ...
    29-07050020-C
    SKU:
    29-07050020-C
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Make:
    Universal Items
    Degree Options:
    90
    Style Options:
    Caterpillar
    $2,655.99
    Qty in Cart: 0
    Price:
    $2,655.99
    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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