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Mack CX Truck Engine Parts & Cooling

Enhance your truck's performance with Mack CX Truck engine parts and cooling components from 4 State Trucks. Choose from high-quality Radiators, Charge Air Coolers, and more. Questions? Give out Part Pros call, they will be glad to help you find the part you need.
  • Product
  • Qty in Cart
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  • Price
  • Subtotal
  • RigMaster APU Fuel Injector Pump Kit For Kohler Engine

    RigMaster APU Fuel Injector Pump Kit For Kohler Engine

    RIGMASTER

    $954.99
    Kohler Diesel OEM Part ED0065851510-S Fuel Feeding Pump* High Quality Injection Pump Kit* Includes   - Fuel Injector Pump  - Fuel Injector Spark Arrestor  - Copper Washer* Sold Individually* Warranty...
    ED0065902900SK
    SKU:
    ED0065902900SK
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Location:
    Made In USA
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $954.99
    Qty in Cart: 0
    Price:
    $954.99
    Subtotal:
  • RigMaster APU Sub-Frame Kit For T46K Units

    RigMaster APU Sub-Frame Kit For T46K Units

    RIGMASTER

    $533.99
    RigMaster Sub-Frame Kit For T46K Units With Or Without Heat* High Quality Sub Frame Kit* For T46K Units With Or Without Heat* Sold Individually* Warranty On Sub Frame Kits Against Defects In...
    KT10050K
    SKU:
    KT10050K
    Location:
    Made In USA
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $533.99
    Qty in Cart: 0
    Price:
    $533.99
    Subtotal:
  • RigMaster APU Linz To Linz Generator Replacement Kit For Kohler Engine

    RigMaster APU Linz To Linz Generator Replacement Kit For Kohler Engine

    RIGMASTER

    $1,296.99
    Generator Replacement Kit For Kohler Engine* High Quality Generator Replacement Kit* Linz To Linz * Sold Individually* Warranty On Generator Replacement Kits Against Defects In Workmanship & Material...
    KT7029K
    SKU:
    KT7029K
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,296.99
    Qty in Cart: 0
    Price:
    $1,296.99
    Subtotal:
  • RigMaster APU Starter For Kohler Engine

    RigMaster APU Starter For Kohler Engine

    RIGMASTER

    $781.99
    RigMaster Starter For Kohler Engine OEM Part* High Quality Starter* 12 Volt* Sold Individually* Warranty On Starters Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    ED0058402240S
    SKU:
    ED0058402240S
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $781.99
    Qty in Cart: 0
    Price:
    $781.99
    Subtotal:
  • RigMaster APU Fuel Filter For Caterpillar, Perkins

    RigMaster APU Fuel Filter For Caterpillar, Perkins

    RIGMASTER

    $28.08
    RigMaster Fuel Filter For Caterpillar & Perkins Engines* High Quality Fuel Filter* Sold Individually* Warranty On Fuel Filters Against Defects In Workmanship & Material From Date Of Purchase*** High...
    33262
    SKU:
    33262
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $28.08
    Qty in Cart: 0
    Price:
    $28.08
    Subtotal:
  • RigMaster APU Water Pump For Caterpillar, Perkins

    RigMaster APU Water Pump For Caterpillar, Perkins

    RIGMASTER

    $485.99
    OEM RigMaster Water Pump For Caterpillar & Perkins Engines* High Quality Water Pump* Sold Individually* Warranty On Water Pumps Against Defects In Workmanship & Material From Date Of Purchase*** High...
    145017380
    SKU:
    145017380
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $485.99
    Qty in Cart: 0
    Price:
    $485.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    RigMaster Serpentine Drive Belt - RM-RP8-108 For Caterpillar, Perkins Engines

    RigMaster Serpentine Drive Belt - RM-RP8-108 For Caterpillar, Perkins Engines

    RIGMASTER

    Now: $11.45
    Was: $37.36
    Serpentine Drive Belt - RP8-108* High Quality Serpentine Drive Belt* Sold Individually * Warranty On Serpentine Drive Belts Against Defects In Workmanship & Material From Date Of Purchase*** High...
    RP8108
    SKU:
    RP8108
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $11.45
    Was: $37.36
    Qty in Cart: 0
    Price:
    Now: $11.45
    Was: $37.36
    Subtotal:
  • RigMaster Analog Speed Sensor Upgrade Kit For Caterpillar, Perkins Engines

    RigMaster Analog Speed Sensor Upgrade Kit For Caterpillar, Perkins Engines

    RIGMASTER

    $128.99
    Analog Speed Sensor Upgrade Kit - RP7-106KThe Analog Kit includes a Mechanical/Analog Speed Sensor, an Analog Speed Sensor Connector with Pigtail, a Speed Sensor Bracket, two Yellow Zinc Cap Screws,...
    RP7106K
    SKU:
    RP7106K
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $128.99
    Qty in Cart: 0
    Price:
    $128.99
    Subtotal:
  • RigMaster 20A Power Module, LED Display, 10-Pin Output, 8-Pin Input

    RigMaster 20A Power Module, LED Display, 10-Pin Output, 8-Pin Input

    RIGMASTER

    $463.99
    High-Capacity 20 Amp Power Module W/ LED Display - 10 Pin Output, 8 pin Input - RP50-2505* High Quality Power Module * 20 Amps * LED Display  - Green= OK  - Red= Problem * 10 Pin Output * 8 Pin...
    RP502505
    SKU:
    RP502505
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $463.99
    Qty in Cart: 0
    Price:
    $463.99
    Subtotal:
  • RigMaster Auxiliary Power Unit For Kohler Engine

    RigMaster Auxiliary Power Unit For Kohler Engine

    RIGMASTER

    $10,401.99
    Kohler Auxiliary Power Unit - LG200-K* High Quality Auxiliary Power Unit* Dimensions:   - 25 Inch Depth  - 21 Inch Width  - 28 Inch Height * 170 Amps For Battery Charging * 600 Airflow CFM* 24,000...
    LG200K
    SKU:
    LG200K
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $10,401.99
    Qty in Cart: 0
    Price:
    $10,401.99
    Subtotal:
  • RigMaster A/C Expansion Valve For Caterpillar, Perkins, Kohler

    RigMaster A/C Expansion Valve For Caterpillar, Perkins, Kohler

    RIGMASTER

    $45.34
    Expansion Valve - LG9-003* High Quality Expansion Valve* Sold Individually * Warranty On Expansion Valves Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    LG9003
    SKU:
    LG9003
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $45.34
    Qty in Cart: 0
    Price:
    $45.34
    Subtotal:
  • RigMaster Poly Serpentine Belt For A/C Compressor

    RigMaster Poly Serpentine Belt For A/C Compressor

    RIGMASTER

    $64.99
    A/C Compressor Belt - Serpentine - LG8-006* High Quality Serpentine Belt * Poly * For A/C Compressor * Sold Individually * Warranty On Serpentine Belts Against Defects In Workmanship & Material From...
    LG8006
    SKU:
    LG8006
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $64.99
    Qty in Cart: 0
    Price:
    $64.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    RigMaster Generator / AC Compressor Serpentine Belt For Kohler Engine

    RigMaster Generator / AC Compressor Serpentine Belt For Kohler Engine

    RIGMASTER

    Now: $13.92
    Was: $45.45
    Kohler Generator/AC Compressor Belt - KT8-001* High Quality Serpentine Belt * For Generator/ AC Compressor* Sold Individually * Warranty On Serpentine Belts Against Defects In Workmanship & Material...
    KT8001
    SKU:
    KT8001
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $13.92
    Was: $45.45
    Qty in Cart: 0
    Price:
    Now: $13.92
    Was: $45.45
    Subtotal:
  • RigMaster Oil Filter - Longer Version For Caterpillar, Perkins Engines

    RigMaster Oil Filter - Longer Version For Caterpillar, Perkins Engines

    RIGMASTER

    $10.62
    Longer Version Oil Filter For Caterpillar, Perkins Engines - LG1233* High Quality Oil Filter * Longer Version * Sold Individually * Warranty On Oil Filters Against Defects In Workmanship & Material...
    LG1233
    SKU:
    LG1233
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $10.62
    Qty in Cart: 0
    Price:
    $10.62
    Subtotal:
  • RigMaster Fan / Alternator V Belt 10 MM x 850 MM For Kohler Engine

    RigMaster Fan / Alternator V Belt 10 MM x 850 MM For Kohler Engine

    RIGMASTER

    $17.40
    Kohler V Belt For Fan And Alternator - KT8-003* High Quality V Belt * 10 MM x 850 MM* For Fan And Alternator * Sold Individually * Warranty On V Belts Against Defects In Workmanship & Material From...
    KT8003
    SKU:
    KT8003
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $17.40
    Qty in Cart: 0
    Price:
    $17.40
    Subtotal:
  • RigMaster Armor Plated Vibration Mount / Grommet

    RigMaster Armor Plated Vibration Mount / Grommet

    RIGMASTER

    $26.47
    Armor Plated Vibration Mount / Grommet - LG11-001* High Quality Vibration Mount * Armor Plated * Grommet * Sold Individually* Warranty On Vibration Mounts Against Defects In Workmanship & Material...
    LG11001
    SKU:
    LG11001
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $26.47
    Qty in Cart: 0
    Price:
    $26.47
    Subtotal:
  • RigMaster Analog Speed Sensor Upgrade Kit For T4-6 Units W/ Kohler Engine

    RigMaster Analog Speed Sensor Upgrade Kit For T4-6 Units W/ Kohler Engine

    RIGMASTER

    $181.99
    Kohler Analog Kit - KT7-106K* High Quality Analog Kit * Includes:  - Mechanical/Analog Speed Sensor   - Analog Speed Sensor Connector With Pigtail   - Tensioner Bracket   - Ring Terminal With Extra...
    KT7106K
    SKU:
    KT7106K
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $181.99
    Qty in Cart: 0
    Price:
    $181.99
    Subtotal:
  • RigMaster Diesel Glow Plug For Kohler Engine

    RigMaster Diesel Glow Plug For Kohler Engine

    RIGMASTER

    $60.99
    Kohler Diesel Glow Plug - K-004* High Quality Glow Plug* Sold Individually* Warranty On Glow Plugs Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    K004
    SKU:
    K004
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $60.99
    Qty in Cart: 0
    Price:
    $60.99
    Subtotal:
  • RigMaster Analog Speed Sensor Upgrade Kit For LG200 Units W/ Kohler Engine

    RigMaster Analog Speed Sensor Upgrade Kit For LG200 Units W/ Kohler Engine

    RIGMASTER

    $131.99
    Kohler Analog Speed Sensor Upgrade Kit - KL7-106K* High Analog Kit * Includes  - Mechanical/Analog Speed Sensor   - Analog Speed Sensor Connector With Pigtail   - Speed Sensor Bracket  - (2)...
    KL7106K
    SKU:
    KL7106K
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $131.99
    Qty in Cart: 0
    Price:
    $131.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    RigMaster Non- Return Valve For Kohler Engine

    RigMaster Non- Return Valve For Kohler Engine

    RIGMASTER

    Now: $58.44
    Was: $357.99
    Kohler Non- Return Valve - ED0096800410-SThe non-return valve for Kohler engines allows compressed air to flow in one direction while preventing flow in the other, ensuring protection when fitted...
    ED0096800410S
    SKU:
    ED0096800410S
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $58.44
    Was: $357.99
    Qty in Cart: 0
    Price:
    Now: $58.44
    Was: $357.99
    Subtotal:
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Frequently Asked Questions About Mack CX Truck Engine Parts & Cooling

What types of components are included in this category?

This category covers engine and cooling system components for the Mack CX model, including parts such as radiators, fan clutches, water pumps, thermostats, hoses, belts, and related cooling and engine hardware. These parts are designed to support the engine's operating temperature and overall performance.

How do I know if a part will fit my specific Mack CX truck?

Fitment can vary based on engine type, model year, and specific truck configuration. Before purchasing, check the part description for listed engine applications and compare them against your truck's engine and chassis information. If you are unsure, contact our parts team with your VIN or engine serial number so we can confirm compatibility before you order.

Are these parts new, used, or remanufactured?

Availability depends on the specific part and listing. Some engine and cooling components are new aftermarket or OEM parts, while others may be quality-checked used or remanufactured units. Each product listing will specify the condition so you know exactly what you are purchasing.

What are common signs that a cooling system part needs to be replaced?

Common indicators include engine overheating, visible coolant leaks, low coolant levels without an obvious source, unusual noises from the fan or water pump, or a check engine light related to temperature sensors. If you notice any of these symptoms, inspecting the radiator, hoses, thermostat, and fan clutch is a good starting point.

Do I need professional installation for these parts?

Some components, such as hoses, belts, and thermostats, can often be replaced by experienced do-it-yourself mechanics with the proper tools. Other parts, like radiators or water pumps, may involve more complex procedures, including coolant system draining and refilling, and are often best handled by a qualified diesel technician to ensure proper installation and function.


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