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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
  • Quantity
  • Price
  • Subtotal
  • Multi V Ribbed Serpentine Belt 32 Inch 5 Rib- 4050335

    Multi V Ribbed Serpentine Belt 32 Inch 5 Rib- 4050335

    AUTOMANN USA

    $24.22
    5 Rib Multi V-Belt* High Quality Continental Multi V-Belt* Dimensions: - 32.00 Inch Effective Length - 32.40 Inch Outside Length* Number Of Ribs- 5* Sold Individually* Warranty On Continental Multi...
    29-07060065
    SKU:
    29-07060065
    Length Options:
    32 Inch
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $24.22
    Qty in Cart: 0
    Price:
    $24.22
    Subtotal:
  • Multi V Ribbed Serpentine Belt 36 Inch - 4050360

    Multi V Ribbed Serpentine Belt 36 Inch - 4050360

    AUTOMANN USA

    $26.76
    5 Rib, 36 Inch Multi V-Belt Replaces 4050360This high-quality aftermarket serpentine belt closely matches the original factory installed belt with its straight ribbed construction. Its new...
    29-07060067
    SKU:
    29-07060067
    Truck Class:
    Heavy Duty
    Length Options:
    36 Inch
    Material Options:
    Plastic/Poly
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $26.76
    Qty in Cart: 0
    Price:
    $26.76
    Subtotal:
  • Multi V Ribbed Serpentine Belt 41.80 Inch 5 Rib - 4050418

    Multi V Ribbed Serpentine Belt 41.80 Inch 5 Rib - 4050418

    AUTOMANN USA

    $26.76
    5 Rib, 41.80 Inch Multi V-Belt Replaces 4050418This quality aftermarket serpentine belt features a straight ribbed construction that closely matches the original factory installed belt. Its new...
    29-07060063
    SKU:
    29-07060063
    Truck Class:
    Heavy Duty
    Length Options:
    42 Inch
    Material Options:
    Plastic/Poly
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $26.76
    Qty in Cart: 0
    Price:
    $26.76
    Subtotal:
  • Pivot Connection Align Service Repair Kit For Neway

    Pivot Connection Align Service Repair Kit For Neway

    AFTERMARKET

    $129.99
    Pivot Connection Align Service Repair Kit Replaces 48100205, SRK148* High Quality Service Repair Kit* Consists Of  - (2) 1-1/8 Inch x 9-1/2 Inch Cap Screw  - (2) 1-1/8 Inch Lock Nut  - (2) Pivot...
    29-05100009
    SKU:
    29-05100009
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Make:
    Trailer
    $129.99
    Qty in Cart: 0
    Price:
    $129.99
    Subtotal:
  • Poly V-Rod Rebush Kit For Neway

    Poly V-Rod Rebush Kit For Neway

    AFTERMARKET

    $366.99
    Poly V-Rod Rebush Kit* High Quality V-Rod Rebush Kit* Consists Of  - (2) Torque Rod Bushing Poly Premium - (1) Apex Bushing  - (2) Spacer Washer  - (2) 1 Inch U-Bolt Washer  - (1) 1 Inch Lock Nut  -...
    29-05100031
    SKU:
    29-05100031
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Make:
    Trailer
    $366.99
    Qty in Cart: 0
    Price:
    $366.99
    Subtotal:
  • Pivot Connection Align Kit - SRK147 For Neway

    Pivot Connection Align Kit - SRK147 For Neway

    AFTERMARKET

    $258.99
    Pivot Connection Align Kit Replaces 48100204, SRK147* High Quality Pivot Connection Kit* Consists Of  - (2) Pivot Bushing  - (4) Alignment Collar  - (2) 1-1/8 Inch X 9-1/2 Inch Cap Screw  - (2) 1-1/8...
    29-05100008
    SKU:
    29-05100008
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Make:
    Trailer
    $258.99
    Qty in Cart: 0
    Price:
    $258.99
    Subtotal:
  • Axle Connection Kit - E9296 For Holland/Neway

    Axle Connection Kit - E9296 For Holland/Neway

    AFTERMARKET

    $906.99
    Axle Connection Kit Replaces 48100246, SRK189* High Quality Axle Connection Kit* Consists Of  - (2) Axle Connection Bushing Front  - (2) Axle Connection Bushing Rear  - (8) 7/8 Inch HD Lock Washers...
    29-05100032
    SKU:
    29-05100032
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Make:
    Trailer
    $906.99
    Qty in Cart: 0
    Price:
    $906.99
    Subtotal:
  • Insulator Service Repair Kit - SRK1401 For Watson & Chalin

    Insulator Service Repair Kit - SRK1401 For Watson & Chalin

    AFTERMARKET

    $183.99
    Insulator Service Repair Kit Replaces SRK1401* High Quality Service Repair Kit* Consists Of  - (2) 7/8 Inch-14 X 7.5 Inch Insulator Bolt - (2) Spring Bolt - (8) 7/8 Inch Washer - (4) 7/8 Inch Lock...
    29-05100007
    SKU:
    29-05100007
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Make:
    Trailer
    $183.99
    Qty in Cart: 0
    Price:
    $183.99
    Subtotal:
  • Poly-V Ribbed Serpentine Belt - 56.50 Inch Replaces 4050565

    Poly-V Ribbed Serpentine Belt - 56.50 Inch Replaces 4050565

    AFTERMARKET

    $46.69
    56.50 Inch Poly-V Serpentine Belt Replaces 505565DAY, E0SE8620DA, 4050565* High Quality V Serpentine Belt* 56.50 Inch Effective Length* 56.90 Inch Outside Length* Number Of Ribs- 5* Made In USA* Sold...
    29-07060075
    SKU:
    29-07060075
    Material Options:
    Rubber
    Length Options:
    56 1/2 Inch
    Truck Class:
    Light Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $46.69
    Qty in Cart: 0
    Price:
    $46.69
    Subtotal:
  • Rubber Battery Box Bushing, K4023KW For Kenworth

    Rubber Battery Box Bushing, K4023KW For Kenworth

    AUTOMANN USA

    $6.35
    Battery Box Bushing Replaces 4023, 4023KW, And K4023KW* High Quality Battery Box Bushing* 1.52 Inch O.D.* 0.375 Inch I.D.* 0.715 Inch Height* Sold Individually * Warranty On Battery Box Bushings...
    09-05010000
    SKU:
    09-05010000
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $6.35
    Qty in Cart: 0
    Price:
    $6.35
    Subtotal:
  • 69 Inch Hy-T Torque Belt W/ Raw Edge

    69 Inch Hy-T Torque Belt W/ Raw Edge

    AFTERMARKET

    $180.99
    69 Inch Hy-T Torque Belt, Replaces 4BX66* High Quality Torque Belt* Polybutadiene* Outside Length 69 Inch* Thickness 13/32 Inch* Top Width 2 41/64 Inch* Edge Construction Raw Edge* Reinforcing Cord...
    29-07060079
    SKU:
    29-07060079
    Length Options:
    69 Inch
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $180.99
    Qty in Cart: 0
    Price:
    $180.99
    Subtotal:
  • Poly- V Non-Ribbed Serpentine Belt Replaces 4080775X

    Poly- V Non-Ribbed Serpentine Belt Replaces 4080775X

    AFTERMARKET

    $73.99
    Poly- V Serpentine Belt Replaces 4080775X, K080776Hd* High Quality Serpentine Belt* Black* Sold Individually* Warranty On Serpentine Belts Against Defects In Workmanship & Material From Date Of...
    29-07060086
    SKU:
    29-07060086
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $73.99
    Qty in Cart: 0
    Price:
    $73.99
    Subtotal:
  • Turbocharger For Cummins NTC315, 240

    Turbocharger For Cummins NTC315, 240

    AREA DIESEL SERVICE

    $1,310.99
    TurboCharger Replaces 40333326H 3029514 3522865 196441* High Quality Turbocharger* No Core Needed* Made In USA* Sold Individually* Warranty On Turbochargers Against Defects In Workmanship & Material...
    29-0704126
    SKU:
    29-0704126
    Location:
    Made In USA
    Material Options:
    Cast Iron
    Style Options:
    Cummins
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,310.99
    Qty in Cart: 0
    Price:
    $1,310.99
    Subtotal:
  • S480 Non-Wastegated Turbocharger For Caterpillar C15 C16 3406E

    S480 Non-Wastegated Turbocharger For Caterpillar C15 C16 3406E

    AREA DIESEL SERVICE

    $3,026.99
    S480 Big CAT BorgWarner Non-Wastegated TurbochargerThe S480 Big Cat non-wastegated turbo is designed for applications with 750-850 horsepower. It features a 1.58 A/R housing, a forged milled...
    29-0704110
    SKU:
    29-0704110
    Material Options:
    Cast Iron
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $3,026.99
    Qty in Cart: 0
    Price:
    $3,026.99
    Subtotal:
  • Turbo Housing S400SX4 For CAT 3406E

    Turbo Housing S400SX4 For CAT 3406E

    AREA DIESEL SERVICE

    $469.99
    T6 1.58 A/R Twin Scroll Turbine Housing* High Quality Turbo Housing* Cast Iron* 1.58 A/R Turbine Housing* Twin Scroll 5.75 Inch V-Band Outlet* Sold Individually* Warranty On Turbo Housings Against...
    09-0704047
    SKU:
    09-0704047
    Truck Class:
    Universal
    Material Options:
    Cast Iron
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $469.99
    Qty in Cart: 0
    Price:
    $469.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    S410SX Turbo 80MM Super Core For Caterpillar Engines

    S410SX Turbo 80MM Super Core For Caterpillar Engines

    AREA DIESEL SERVICE

    Now: $1,379.05
    Was: $1,948.99
    Super Core Turbo AssemblyThis turbo is designed for single-turbo Caterpillar engines, including C15 Acert, C15, 3406, MBN, 6NZ, 5EK, SDP, MXS, BXS, and NSX models. Please note, a turbine housing is...
    09-0704046
    SKU:
    09-0704046
    Material Options:
    Cast Iron
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $1,379.05
    Was: $1,948.99
    Qty in Cart: 0
    Price:
    Now: $1,379.05
    Was: $1,948.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Fixed A/C Blue Orifice Tube For Ford, Sterling

    Fixed A/C Blue Orifice Tube For Ford, Sterling

    BESTFIT TRUCK PARTS

    Now: $1.24
    Was: $1.77
    Air Conditioner Orifice Tube for Automotive ReplacementOur BESTfit valves provide the same high-quality, reliable, and durable performance as factory parts. They effectively restore A/C performance...
    09-070013
    SKU:
    09-070013
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $1.24
    Was: $1.77
    Qty in Cart: 0
    Price:
    Now: $1.24
    Was: $1.77
    Subtotal:
  • SS Peanut Cover Plate W/ Gasket Replaces 146-2601 For CAT 3406E

    SS Peanut Cover Plate W/ Gasket Replaces 146-2601 For CAT 3406E

    BESTFIT TRUCK PARTS

    $273.99
    Mirror Finish Stainless Steel Peanut Cover Plate And GasketDesigned to fit seamlessly onto the Cat 3406E and C15 ACERT engines, this cover plate is easy to install. It is constructed from high-grade...
    29-0704127
    SKU:
    29-0704127
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Finish Options:
    Mirror
    $273.99
    Qty in Cart: 0
    Price:
    $273.99
    Subtotal:
  • 5.5 ID x 6 Inch Rubber Straight Hump Coupler For Intake Piping

    5.5 ID x 6 Inch Rubber Straight Hump Coupler For Intake Piping

    AFTERMARKET

    $42.53
    5 1/2 Inch ID Black Rubber Hump Style Straight Coupler WithCreate a smooth transition between two sections of intake piping with this rubber straight hump hose coupler. Designed for optimal airflow...
    29-070100003
    SKU:
    29-070100003
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Diameter Options:
    5 1/2 Inch
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $42.53
    Qty in Cart: 0
    Price:
    $42.53
    Subtotal:
  • Throttle Cable, Length Option

    Throttle Cable, Length Option

    BUYERS PRODUCTS

    $43.14 - $53.99
    The Throttle Cable Length Option provides adjustable heavy?duty control cables in different lengths - typically 6?feet or 10?feet - for throttle, PTO, dump body and other control linkages on a wide...
    PPR_201389
    SKU:
    PPR_201389
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $43.14 - $53.99
    Qty in Cart: 0
    Price:
    $43.14 - $53.99
    Subtotal:
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Adding your products to cart

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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