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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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    RigMaster Fan Alternator V-Belt For LG200 Kohler Engine

    RigMaster Fan Alternator V-Belt For LG200 Kohler Engine

    RIGMASTER

    Now: $8.40
    Was: $25.54
    Kohler Fan Alternator V-Belt - KL8-002* High Quality V Belt * 10 MM x 891 MM* For Fan/Alternator * Sold Individually* Warranty On V Belts Against Defects In Workmanship & Material From Date Of...
    KL8002
    SKU:
    KL8002
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $8.40
    Was: $25.54
    Qty in Cart: 0
    Price:
    Now: $8.40
    Was: $25.54
    Subtotal:
  • RigMaster Diesel Fuel Filter K003R2 For Kohler Engine

    RigMaster Diesel Fuel Filter K003R2 For Kohler Engine

    RIGMASTER

    $53.99
    Kohler Diesel Fuel Filter - K-003-R2* High Fuel Filter * Sold Individually * Warranty On Fuel Filters Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    K003R2
    SKU:
    K003R2
    Truck Class:
    Heavy Duty
    Material Options:
    Fiberglass
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • RigMaster Replacement Air Filter K001 For K Series Kohler Engine

    RigMaster Replacement Air Filter K001 For K Series Kohler Engine

    RIGMASTER

    $61.36
    K Series Kohler Engines Replacement Air Filter - K-001* High Quality Air Filter * Sold Individually * Warranty On Air Filters Against Defects In Workmanship & Material From Date Of Purchase*** High...
    K001
    SKU:
    K001
    Truck Class:
    Heavy Duty
    Material Options:
    Paper
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $61.36
    Qty in Cart: 0
    Price:
    $61.36
    Subtotal:
  • RigMaster Solenoid Fuel Stop Valve For Kohler Engine

    RigMaster Solenoid Fuel Stop Valve For Kohler Engine

    RIGMASTER

    $226.99
    Replacement Kohler El Valve ED0035871190-S* High Quality Fuel Solenoid * Electro Valve* Sold Individually* Warranty On Fuel Solenoids Against Defects In Workmanship & Material From Date Of...
    ED0035871190S
    SKU:
    ED0035871190S
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $226.99
    Qty in Cart: 0
    Price:
    $226.99
    Subtotal:
  • RigMaster Outer Exhaust Manifold Gasket For Kohler Engine

    RigMaster Outer Exhaust Manifold Gasket For Kohler Engine

    RIGMASTER

    $6.03
    Kohler Outer Exhaust Manifold Gasket - ED0045011010-S* High Quality Gasket* Outer * For Exhaust Manifold* Sold Individually * Warranty On Gaskets Against Defects In Workmanship & Material From Date...
    ED0045011010S
    SKU:
    ED0045011010S
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $6.03
    Qty in Cart: 0
    Price:
    $6.03
    Subtotal:
  • RigMaster Valve Cover Gasket For Kohler Engine

    RigMaster Valve Cover Gasket For Kohler Engine

    RIGMASTER

    $33.98
    Kohler Valve Cover Gasket ED0044001030-S* High Quality Gasket* For Valve Cover* Sold Individually * Warranty On Gaskets Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    ED0044001030S
    SKU:
    ED0044001030S
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $33.98
    Qty in Cart: 0
    Price:
    $33.98
    Subtotal:
  • RigMaster Pro Performance Oil Filter K002 For Kohler Engine

    RigMaster Pro Performance Oil Filter K002 For Kohler Engine

    RIGMASTER

    $23.97
    Kohler Pro Performance Oil Filter - K-002* High Quality Oil Filter* Sold Individually* Warranty On Oil Filters Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    K002
    SKU:
    K002
    Truck Class:
    Heavy Duty
    Material Options:
    Fiberglass
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $23.97
    Qty in Cart: 0
    Price:
    $23.97
    Subtotal:
  • RigMaster Intake Manifold Gasket For Kohler Engine

    RigMaster Intake Manifold Gasket For Kohler Engine

    RIGMASTER

    $36.29
    Kohler Intake Manifold Gasket - ED0044200800-S* High Quality Gasket * For Intake Manifold* Sold Individually* Warranty On Gaskets Against Defects In Workmanship & Material From Date Of Purchase***...
    ED0044200800S
    SKU:
    ED0044200800S
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $36.29
    Qty in Cart: 0
    Price:
    $36.29
    Subtotal:
  • Poly- V Ribbed Serpentine Belt 38.10 Inch - 4040377

    Poly- V Ribbed Serpentine Belt 38.10 Inch - 4040377

    AUTOMANN USA

    $32.12
    4 Rib 38.10 Inch Poly- V Serpentine Belt Replaces 4040377* High Quality V Serpentine Belt* Poly* Dimensions: - 37.70 Inch Effective Length  - 38.10 Inch Outside Length* Number Of Ribs- 4* Sold...
    29-07060058
    SKU:
    29-07060058
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Length Options:
    38 Inch
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $32.12
    Qty in Cart: 0
    Price:
    $32.12
    Subtotal:
  • Poly-V Ribbed Serpentine Belt 42.90 Inch - 4040425

    Poly-V Ribbed Serpentine Belt 42.90 Inch - 4040425

    AUTOMANN USA

    $21.93
    4 Rib 42.90 Inch Poly-V Serpentine Belt Replaces 4040425* High Quality Serpentine Belt * Poly* Dimensions: - 42.50 Inch Effective Length - 42.90 Inch Outside Length* Number Of Ribs- 4* Sold...
    29-07060054
    SKU:
    29-07060054
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Length Options:
    42 1/2 Inch
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $21.93
    Qty in Cart: 0
    Price:
    $21.93
    Subtotal:
  • Poly- V Ribbed Serpentine Belt 31.90 Inch - 4040315

    Poly- V Ribbed Serpentine Belt 31.90 Inch - 4040315

    AUTOMANN USA

    $24.55
    4 Rib 31.90 Inch Poly- V Serpentine Belt Replaces 4040315* High Quality V Serpentine Belt* Poly* Dimensions: - 31.50 Inch Effective Length  - 31.90 Inch Outside Length* Number Of Ribs- 4* Sold...
    29-07060057
    SKU:
    29-07060057
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Length Options:
    32 Inch
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $24.55
    Qty in Cart: 0
    Price:
    $24.55
    Subtotal:
  • Poly- V Ribbed Serpentine Belt 34.60 Inch - 4040342

    Poly- V Ribbed Serpentine Belt 34.60 Inch - 4040342

    AUTOMANN USA

    $26.76
    4 Rib 34.60 Inch Poly- V Serpentine Belt Replaces 4040342* High Quality V Serpentine Belt* Poly* Dimensions: - 34.20 Inch Effective Length  - 34.60 Inch Outside Length* Number Of Ribs- 4* Sold...
    29-07060059
    SKU:
    29-07060059
    Length Options:
    34 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $26.76
    Qty in Cart: 0
    Price:
    $26.76
    Subtotal:
  • Poly- V Ribbed Serpentine Belt 32.40 Inch - 4040320

    Poly- V Ribbed Serpentine Belt 32.40 Inch - 4040320

    AUTOMANN USA

    $25.31
    4 Rib 32.40 Inch Poly- V Serpentine Belt Replaces 4PVK0815DAY, 4040320* High Quality V Serpentine Belt* Poly* Dimensions: - 32.00 Inch Effective Length - 32.40 Inch Outside Length* Number Of Ribs- 4*...
    29-07060056
    SKU:
    29-07060056
    Material Options:
    Plastic/Poly
    Length Options:
    32 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $25.31
    Qty in Cart: 0
    Price:
    $25.31
    Subtotal:
  • Multi V-Serpentine Ribbed Belt 43 Inch

    Multi V-Serpentine Ribbed Belt 43 Inch

    AUTOMANN USA

    $19.28
    4 Rib 43 Inch Multi V-Belt* High Quality V-Belt* Dimensions: - 43.00 Inch Effective Length - 43.40 Inch Outside Length* Number Of Ribs- 4* Sold Individually* Warranty On V-Belts Against Defects In...
    29-07060055
    SKU:
    29-07060055
    Length Options:
    43 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $19.28
    Qty in Cart: 0
    Price:
    $19.28
    Subtotal:
  • RigMaster 12 Volt 60 Amp Alternator For Caterpillar, Perkins Engines

    RigMaster 12 Volt 60 Amp Alternator For Caterpillar, Perkins Engines

    RIGMASTER

    $227.99
    12 Volt 60 Amp Alternator - 185046470* High Quality Alternator * 60 Amp * 12 Volt* Sold Individually* Warranty On Alternators Against Defects In Workmanship & Material From Date Of Purchase*** High...
    185046470
    SKU:
    185046470
    Material Options:
    Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $227.99
    Qty in Cart: 0
    Price:
    $227.99
    Subtotal:
  • RigMaster Air Filter Cartridge C 1140 For Air For Engines

    RigMaster Air Filter Cartridge C 1140 For Air For Engines

    RIGMASTER

    $36.72
    Air For Engines Filter Cartridge - 00-C1140The Air Filter Cartridge C 1140 efficiently filters out harmful particles including dust, pollen, sand, soot, or even water droplets from the intake air...
    00C1140
    SKU:
    00C1140
    Material Options:
    Fiberglass
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $36.72
    Qty in Cart: 0
    Price:
    $36.72
    Subtotal:
  • Multi V Ribbed Serpentine Belt 33.5 Inch - 4050320

    Multi V Ribbed Serpentine Belt 33.5 Inch - 4050320

    AUTOMANN USA

    $21.54
    5 Rib Multi V Belt* High Quality Continental Multi V-Belt* Dimensions: - 33.50 Inch Effective Length - 33.90 Inch Outside Length* Number Of Ribs- 5* Sold Individually* Warranty On Continental Multi...
    29-07060066
    SKU:
    29-07060066
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Length Options:
    33 1/2 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $21.54
    Qty in Cart: 0
    Price:
    $21.54
    Subtotal:
  • Multi V Ribbed Serpentine Belt 35 Inch - 4050350

    Multi V Ribbed Serpentine Belt 35 Inch - 4050350

    AUTOMANN USA

    $21.13
    5 Rib, 35 Inch Multi V-Belt Replaces 4050350This quality after market serpentine belt has a straight ribbed construction to match OE Style Belt. New construction and compounding improves durability...
    29-07060068
    SKU:
    29-07060068
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Length Options:
    35 Inch
    $21.13
    Qty in Cart: 0
    Price:
    $21.13
    Subtotal:
  • Multi V Ribbed Serpentine Belt 42 Inch 5 Rib - 4050420

    Multi V Ribbed Serpentine Belt 42 Inch 5 Rib - 4050420

    AUTOMANN USA

    $13.67
    5 Rib, 42 Inch Multi V-Belt Replaces 4050420The straight ribbed construction of this high-quality aftermarket serpentine belt closely matches the original factory installed belt. Its new construction...
    29-07060064
    SKU:
    29-07060064
    Length Options:
    42 Inch
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $13.67
    Qty in Cart: 0
    Price:
    $13.67
    Subtotal:
  • Multi V 5 Ribbed Serpentine Belt 34.5 Inch - 4050345

    Multi V 5 Ribbed Serpentine Belt 34.5 Inch - 4050345

    AUTOMANN USA

    $32.12
    5 Rib, 34.5 Inch Multi V-Belt Replaces 4050345This quality after-market serpentine belt features a straight ribbed construction that matches the OE Style Belt for improved durability and a...
    29-07060069
    SKU:
    29-07060069
    Truck Class:
    Heavy Duty
    Length Options:
    34 Inch
    Material Options:
    Plastic/Poly
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $32.12
    Qty in Cart: 0
    Price:
    $32.12
    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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