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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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  • FREE SHIPPING OVER $249
    BESTfit EZ Oil Drain Valve 1 Inch-18 UNF

    BESTfit EZ Oil Drain Valve 1 Inch-18 UNF

    BESTFIT TRUCK PARTS

    $58.99
    BESTfit EZ Oil Drain Valve For Cummins & Paccar MX-13 Engines Through 2011Changing your oil is made easier with the EZ Oil Drain Valve. Unlike spring-assisted gate valves, EZ Oil's ball valve design...
    29-072002
    SKU:
    29-072002
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Ready To Ship:
    Yes
    $58.99
    Qty in Cart: 0
    Price:
    $58.99
    Subtotal:
  • 36 Quart Steel Front Sump Engine Oil Pan Replaces 3046947 For Cummins

    36 Quart Steel Front Sump Engine Oil Pan Replaces 3046947 For Cummins

    AUTOMANN USA

    $392.99
    Front Sump Engine Oil Pan For Cummins- 36 QuartThis heavy-duty oil pan provides a precise fit and dependable performance for demanding use. Constructed for strength and durability, it features a deep...
    29-072000010
    SKU:
    29-072000010
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Width Options:
    15 1/2 Inch
    Color:
    Black
    Length Options:
    47 Inch
    Make:
    Universal Items
    $392.99
    Qty in Cart: 0
    Price:
    $392.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Isspro Fuel Pressure Snubber For Use On PSI Manual Gauge

    Isspro Fuel Pressure Snubber For Use On PSI Manual Gauge

    ISSPRO

    $71.99
    Gauge Snubber Use On Fuel PSI Manual Gauge4 State Trucks offers this highly effective gauge snubber that is used to smooth out the pressure fluctuations on a fuel PSI manual gauge. It comes with a...
    29-071019
    SKU:
    29-071019
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • Isspro Fuel & Oil Sender W/ 1/8 Inch Thread Single Stud

    Isspro Fuel & Oil Sender W/ 1/8 Inch Thread Single Stud

    ISSPRO

    $48.77
    Fuel Oil SenderAt 4 State Trucks we offer aftermarket Isspro fuel/oil senders for your big rig that comes with a warranty against defects in materials and workmanship. Isspro is a trusted brand for...
    29-071009
    SKU:
    29-071009
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $48.77
    Qty in Cart: 0
    Price:
    $48.77
    Subtotal:
  • Isspro Temperature Sender with Bushings 280F

    Isspro Temperature Sender with Bushings 280F

    ISSPRO

    $77.99
    Sending UnitWe offer top of the line aftermarket Isspro sender units for your big rig. This sending unit is accurate in measuring the amount of fuel in the fuel tank and communicates the fuel level...
    29-071008
    SKU:
    29-071008
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $77.99
    Qty in Cart: 0
    Price:
    $77.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Isspro Oil Temperature Sender 320F 1/2 Inch NPTF

    Isspro Oil Temperature Sender 320F 1/2 Inch NPTF

    ISSPRO

    $35.47
    Oil Temperature SenderFind aftermarket Isspro oil temperature senders for your big rig with a warranty against defects in materials and workmanship at 4 State Trucks. Isspro is a trusted brand for...
    29-071007
    SKU:
    29-071007
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $35.47
    Qty in Cart: 0
    Price:
    $35.47
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    Isspro Generator Drive Tip Male .203 Tang

    Isspro Generator Drive Tip Male .203 Tang

    ISSPRO

    Now: $4.36
    Was: $15.51
    Signal Generator Drive TipAt 4 State Trucks we offer aftermarket Isspro drive tips for signal generators. This drive tip features a .203 tang and comes with a warranty against defects in materials...
    29-071006
    SKU:
    29-071006
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $4.36
    Was: $15.51
    Qty in Cart: 0
    Price:
    Now: $4.36
    Was: $15.51
    Subtotal:
  • FREE SHIPPING OVER $249
    Isspro Water Temperature Sender TA Type 100 - 240F W/ 1/8 Inch NPTF Threading

    Isspro Water Temperature Sender TA Type 100 - 240F W/ 1/8 Inch NPTF Threading

    ISSPRO

    $32.14
    Water Temp Sender TA Type 100-240 Deg With 1/8 Inch NPTF Threading And 1 Stud TerminalLooking to keep an eye on your engine's temperature? The ISSPRO Water Temperature Sender's got you covered with...
    29-071004
    SKU:
    29-071004
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $32.14
    Qty in Cart: 0
    Price:
    $32.14
    Subtotal:
  • FREE SHIPPING OVER $249
    Isspro 2.6 Inch Magnetic Pick Up Sender W/ 3/4 Inch -16 Threading & Wire Leads

    Isspro 2.6 Inch Magnetic Pick Up Sender W/ 3/4 Inch -16 Threading & Wire Leads

    ISSPRO

    $63.99
    Magnetic Pick UpSenderWe offer top of the line aftermarket Isspro magnetic pick up senders for your big rig. This sender is to be used with Isspro speedometers and tachometers. It features wire lead...
    29-071002
    SKU:
    29-071002
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $63.99
    Qty in Cart: 0
    Price:
    $63.99
    Subtotal:
  • Isspro Oil Temperature Sender 320F 1/8 Inch NPTF

    Isspro Oil Temperature Sender 320F 1/8 Inch NPTF

    ISSPRO

    $26.08
    Oil Temperature SenderEnsure accurate readings with this high quality Isspro oil temperature sender. It is sold individually and is backed with a warranty against defects in materials and workmanship...
    29-071001
    SKU:
    29-071001
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $26.08
    Qty in Cart: 0
    Price:
    $26.08
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    Isspro Generator Drive Tip Male .187 Tang

    Isspro Generator Drive Tip Male .187 Tang

    ISSPRO

    Now: $3.36
    Was: $28.25
    Signal Generator Drive TipAt 4 State Trucks, we offer aftermarket Isspro drive tips for signal generators. This drive tip features a .187 tang and comes with a warranty against defects in materials...
    29-071000
    SKU:
    29-071000
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $3.36
    Was: $28.25
    Qty in Cart: 0
    Price:
    Now: $3.36
    Was: $28.25
    Subtotal:
  • FREE SHIPPING OVER $249
    Clutch Brake Replaces SP127200, 127200X, 1091467

    Clutch Brake Replaces SP127200, 127200X, 1091467

    OPP - ORIGINAL PARTS PROGRAM

    $59.99
    2 Inch 2 Piece Style Clutch Brake* High Quality Clutch Brake* Sold Individually* Warranty On Clutch Brake Against Defects In Workmanship & Material From Date Of Purchase*** This Is An OEM Replacement...
    29-07050409
    SKU:
    29-07050409
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Eaton Fuller Transmission Oil Cooler Mount 18209

    Eaton Fuller Transmission Oil Cooler Mount 18209

    OPP - ORIGINAL PARTS PROGRAM

    $8.12
    Transmission Cooler Mounting Block Kit* High Quality Transmission Mounting Block Kit* Fits 29-07050406 Coolers* Sold Individually* Warranty On Transmission Mounting Block Kits Against Defects In...
    29-07050407
    SKU:
    29-07050407
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $8.12
    Qty in Cart: 0
    Price:
    $8.12
    Subtotal:
  • FREE SHIPPING OVER $249
    Clutch Brake Spicer Style 1 Piece

    Clutch Brake Spicer Style 1 Piece

    AFTERMARKET

    $47.46
    Clutch Brake Spicer Style 1 Piece* High Quality Clutch Brake * 1 Piece Torque Limiting* Sold Individually* Warranty On Clutch Brake Against Defects In Workmanship & Material From Date Of Purchase***...
    29-07050405
    SKU:
    29-07050405
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $47.46
    Qty in Cart: 0
    Price:
    $47.46
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD Pilot Bearing For Clutch

    TPHD Pilot Bearing For Clutch

    TPHD

    $33.25
    Pilot Bearing* High Quality Bearing* For Clutch* Fits Lipe & Spicer Clutches* Sold Individually* Warranty On Bearing Against Defects In Workmanship & Material From Date Of Purchase***High Quality...
    29-07050402
    SKU:
    29-07050402
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $33.25
    Qty in Cart: 0
    Price:
    $33.25
    Subtotal:
  • TPHD Fork Roller Type Clutch Release

    TPHD Fork Roller Type Clutch Release

    AFTERMARKET

    $78.99
    Clutch Release- Fork Roller Type By TPHDMaintain smooth clutch function and reduce drivetrain wear with the TPHD Fork Roller Type Clutch Release, a high-quality engine part for commercial trucks...
    29-07050006
    SKU:
    29-07050006
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • Clutch Pilot Bearing, 1.79 ID In., 2.833 OD In.

    Clutch Pilot Bearing, 1.79 ID In., 2.833 OD In.

    AUTOMANN USA

    $12.71
    1.79 ID In., 2.833 OD In. Clutch Pilot Bearing* High Quality Pilot Bearing* Dimensions: - I.D.- 1.79 Inch - O.D.- 2.833 Inch - Thickness- 0.75 Inch* Sold Individually* Warranty On Pilot Bearings...
    29-07050005
    SKU:
    29-07050005
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $12.71
    Qty in Cart: 0
    Price:
    $12.71
    Subtotal:
  • Clutch Pilot Bearing W/ Steel Shields, 1.80 ID In., 2.44 OD In.

    Clutch Pilot Bearing W/ Steel Shields, 1.80 ID In., 2.44 OD In.

    AUTOMANN USA

    $19.08
    1.80 ID In., 2.44 OD In. Clutch Pilot Bearings* High Quality Pilot Bearing* Dimensions:  - I.D.- 1.80 Inch - O.D.- 2.44 Inch - Thickness- 0.628 Inch* Sold Individually* Warranty On Pilot Bearings...
    29-07050004
    SKU:
    29-07050004
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $19.08
    Qty in Cart: 0
    Price:
    $19.08
    Subtotal:
  • On Sale
    Limited Quantity Available
    Clutch Pilot Bearing W/ Nitrile Shields, 1.80 ID In., 2.44 OD In.

    Clutch Pilot Bearing W/ Nitrile Shields, 1.80 ID In., 2.44 OD In.

    AUTOMANN USA

    Now: $8.71
    Was: $17.67
    1.80 ID In., 2.44 OD In. Clutch Pilot Bearings* High Quality Pilot Bearing* Dimensions: - I.D.- 1.80 Inch - O.D.- 2.44 Inch - Thickness- 0.628 Inch* Sold Individually* Warranty On Pilot Bearings...
    29-07050003
    SKU:
    29-07050003
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $8.71
    Was: $17.67
    Qty in Cart: 0
    Price:
    Now: $8.71
    Was: $17.67
    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:
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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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