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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.
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  • FREE SHIPPING OVER $249
    Fleetguard FF5320 Spin-On Fuel Filter For FASS Titanium Fuel System

    Fleetguard FF5320 Spin-On Fuel Filter For FASS Titanium Fuel System

    FASS

    $22.17
    Fleetguard FF5320 Spin-On Fuel Filter Fits FASS Titanium Fuel System* High Quality Fuel Filter* For FASS Fuel System T150* Sold Individually* Made In USA* Warranty On Fuel Filters Against Defects In...
    FF5320FLG
    SKU:
    FF5320FLG
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $22.17
    Qty in Cart: 0
    Price:
    $22.17
    Subtotal:
  • FREE SHIPPING OVER $249
    Fleetguard Fuel Filter 3406 A-B

    Fleetguard Fuel Filter 3406 A-B

    OPP - ORIGINAL PARTS PROGRAM

    $23.39
    Fleetguard Fuel Filter 3406 A-B* High Quality Fuel Filter* Sold Individually* Fits Many Makes And Models Of Trucks* Warranty On Fuel Filters Against Defects In Workmanship & Material From Date Of...
    FF5264FLG
    SKU:
    FF5264FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $23.39
    Qty in Cart: 0
    Price:
    $23.39
    Subtotal:
  • FREE SHIPPING OVER $249
    FF5207 Detroit 60 Series Fuel Filter

    FF5207 Detroit 60 Series Fuel Filter

    OPP - ORIGINAL PARTS PROGRAM

    $14.33
    Fleetguard FF5207 Spin-On FilterBest-in-class performance using advanced filtration media to remove harmful contaminants and ensure clean fuel systems.* High Quality Fuel Filter* VMRS044002002*...
    FF5207FLG
    SKU:
    FF5207FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $14.33
    Qty in Cart: 0
    Price:
    $14.33
    Subtotal:
  • FREE SHIPPING OVER $249
    FF5206 Detroit 60 Series Fuel Filter

    FF5206 Detroit 60 Series Fuel Filter

    OPP - ORIGINAL PARTS PROGRAM

    $12.57
    Fleetguard FF5206 Fuel Filter Replacement For Detroit DieselThe highly efficient 20 micron spin-on filter, Fleetguard FF5206 Fuel Filter, is designed to remove dirt, dust, and other contaminants from...
    FF5206FLG
    SKU:
    FF5206FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $12.57
    Qty in Cart: 0
    Price:
    $12.57
    Subtotal:
  • FREE SHIPPING OVER $249
    FF2203 Fleetguard Fuel Filter Cummins ISX

    FF2203 Fleetguard Fuel Filter Cummins ISX

    OPP - ORIGINAL PARTS PROGRAM

    $40.85
    FF2203 Fleetguard Fuel Filter Cummins ISX* High Quality Fuel Filter* Alternate Fuel/Water Separator With Drain FS1023* Replaces OEM # 4010476* Sold Individually* Warranty On Fuel Filters Against...
    FF2203FLG
    SKU:
    FF2203FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $40.85
    Qty in Cart: 0
    Price:
    $40.85
    Subtotal:
  • FREE SHIPPING OVER $249
    FF2200FLG Cummins ISX Fuel Filter

    FF2200FLG Cummins ISX Fuel Filter

    OPP - ORIGINAL PARTS PROGRAM

    $32.90
    Fleetguard Filter-Fuel ID: FF2200* High Quality Fuel Filter* Sold Individually* Warranty On Fuel Filters Against Defects In Workmanship & Material From Date Of Purchase*** This Is An OEM Replacement...
    FF2200FLG
    SKU:
    FF2200FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $32.90
    Qty in Cart: 0
    Price:
    $32.90
    Subtotal:
  • FREE SHIPPING OVER $249
    FF105FLG Cummins Short Fuel Filter

    FF105FLG Cummins Short Fuel Filter

    OPP - ORIGINAL PARTS PROGRAM

    $14.33
    FF105 Cummins Short Fuel FilterDealing with fuel issues? The Fleetguard Cummins FF105 spin-on filter can help. Compatible with Cummins 154709, it efficiently filters out impurities, ensuring your...
    FF105FLG
    SKU:
    FF105FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $14.33
    Qty in Cart: 0
    Price:
    $14.33
    Subtotal:
  • FREE SHIPPING OVER $249
    Filter Fuel Water Separator Replaces Donaldson P557004 For MX Paccar Engines

    Filter Fuel Water Separator Replaces Donaldson P557004 For MX Paccar Engines

    OPP - ORIGINAL PARTS PROGRAM

    $64.99
    Donaldson Fuel Filter and Water Separator CartridgeThe Fuel Filter and Water Separator removes contaminants and water from the fuel system.* High Quality Fuel Water Separator Filter* P557004...
    DNP557004
    SKU:
    DNP557004
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $64.99
    Qty in Cart: 0
    Price:
    $64.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Filter Fuel Water Separator Donaldson P55 - 1000

    Filter Fuel Water Separator Donaldson P55 - 1000

    OPP - ORIGINAL PARTS PROGRAM

    $30.82
    Donaldson Spin-On Fuel Filter and Water Separator* High Quality Fuel Water Separator Filter* P551000 Donaldson Fuel Filter To Replace FS1000FLG* Thread: 1-14 UNF* Micron Rating: 10* Sold...
    DNP551000
    SKU:
    DNP551000
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $30.82
    Qty in Cart: 0
    Price:
    $30.82
    Subtotal:
  • 10 Micron Fuel Water Separator Filter

    10 Micron Fuel Water Separator Filter

    OPP - ORIGINAL PARTS PROGRAM

    $42.04
    Donaldson 10 Micron Fuel Water Separator FilterRemove contaminates and water from your fuel system with this Donaldson fuel filter and water separator cartridge. It separates water in the fuel system...
    DNP550849
    SKU:
    DNP550849
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $42.04
    Qty in Cart: 0
    Price:
    $42.04
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    Filter Fuel For Davco Fuel Water Separator Donaldson

    Filter Fuel For Davco Fuel Water Separator Donaldson

    OPP - ORIGINAL PARTS PROGRAM

    Now: $16.84
    Was: $27.33
    Donaldson Fuel Filter and Water Separator Cartridge, EleMaxThis replacement fuel water separator works seamlessly with the Donaldson filter, part number P550467, which replaces the FS19624FLG filter...
    DNP550467
    SKU:
    DNP550467
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $16.84
    Was: $27.33
    Qty in Cart: 0
    Price:
    Now: $16.84
    Was: $27.33
    Subtotal:
  • FREE SHIPPING OVER $249
    Engine Crankcase Filter Breather Element CV50634 For Cummins ISX

    Engine Crankcase Filter Breather Element CV50634 For Cummins ISX

    OPP - ORIGINAL PARTS PROGRAM

    $106.99
    Crankcase Ventilation Filter Fits Cummins ISX* High Quality Crankcase Ventilation Filter * Fits 2010 And Newer ISX/ISM Engines * Sold Individually* Warranty On Crankcase Ventilation Filters Against...
    CV50634FLG
    SKU:
    CV50634FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $106.99
    Qty in Cart: 0
    Price:
    $106.99
    Subtotal:
  • FREE SHIPPING
    Engine Crankcase Filter Breather Element CV50633 For Cummins ISX & ISM

    Engine Crankcase Filter Breather Element CV50633 For Cummins ISX & ISM

    OPP - ORIGINAL PARTS PROGRAM

    $297.99
    Crankcase Ventilation Filter Fits Cummins ISX & ISM* High Quality Crankcase Ventilation Filter* Fits 2009 And Older ISX/ISM Engines * Sold Individually* Warranty On Crankcase Ventilation Filters...
    CV50633FLG
    SKU:
    CV50633FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $297.99
    Qty in Cart: 0
    Price:
    $297.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Engine Crankcase Filter Breather Element CV50628 For Cummins ISC & ISL

    Engine Crankcase Filter Breather Element CV50628 For Cummins ISC & ISL

    OPP - ORIGINAL PARTS PROGRAM

    $129.99
    Crankcase Ventilation Filter Fits Cummins ISC & ISLThe crankcase filter performs the extremely important function of equalizing the pressure in the crankcase during different operational phases of...
    CV50628FLG
    SKU:
    CV50628FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $129.99
    Qty in Cart: 0
    Price:
    $129.99
    Subtotal:
  • FREE SHIPPING OVER $249
    FleetGuard Air Filter 13.5 X 16 Inch

    FleetGuard Air Filter 13.5 X 16 Inch

    OPP - ORIGINAL PARTS PROGRAM

    $84.99
    Air Filter AF25139MFLG* High Quality Air Filter * 13.5 Inch x 16 Inch* Sold Individually* Warranty On Air Filter Against Defects In Workmanship & Material From Date Of Purchase*|** This Is An OEM...
    AF25139MFLG
    SKU:
    AF25139MFLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $84.99
    Qty in Cart: 0
    Price:
    $84.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Rotella 15W40 Motor Oil 1 Gallon

    Rotella 15W40 Motor Oil 1 Gallon

    AFTERMARKET

    $22.43
    Rotella 15W40 Motor OilIn the market for motor oil to service your truck? 4 State Trucks offers Rotella T 15W40 multi grade heavy duty motor oil in one gallon containers and available with a one year...
    56026
    SKU:
    56026
    Truck Class:
    Universal
    Capacity:
    1 Gallon
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $22.43
    Qty in Cart: 0
    Price:
    $22.43
    Subtotal:
  • FREE SHIPPING OVER $249
    7 Inch To 6 Inch 45 Degree Rubber Reducer Elbow

    7 Inch To 6 Inch 45 Degree Rubber Reducer Elbow

    AUTOMANN USA

    $116.99
    45 Degree 7 To 6 Inch Rubber Reducer ElbowEnsure your truck's air or fluid system operates flawlessly with this 7 Inch to 6 Inch 45 Degree Rubber Reducer Elbow, precision-engineered from high-quality...
    29-090500076
    SKU:
    29-090500076
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Degree Options:
    45
    Diameter Options:
    7 Inch
    Style Options:
    Elbow
    Make:
    Universal Items
    $116.99
    Qty in Cart: 0
    Price:
    $116.99
    Subtotal:
  • BESTfit Cummins 5.9 L Flywheel 3921264, 3901395, 3900269

    BESTfit Cummins 5.9 L Flywheel 3921264, 3901395, 3900269

    BESTFIT TRUCK PARTS

    $257.99
    BESTfit Cummins Flywheels B Series - 5.9L SAE #2* High Quality Flywheel* Fits Cummins Flywheels B Series - 5.9L* Flat Design* 8 Bolt Mounting Holes* Size: SAE #2 * 14 Inch Clutch Size* 17 Inch OD...
    29-0733921263
    SKU:
    29-0733921263
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Style Options:
    Flat
    Diameter Options:
    17 Inch
    $257.99
    Qty in Cart: 0
    Price:
    $257.99
    Subtotal:
  • BESTfit Front Sump Oil Pan Gasket For Cummins N14

    BESTfit Front Sump Oil Pan Gasket For Cummins N14

    BESTFIT TRUCK PARTS

    $20.59
    BESTfit Front Sump Oil Pan Gasket* High Quality Oil Pan Gasket* Fits Cummins Front Sump N14 Oil Pan* Sold Individually* Warranty On Oil Pan Gaskets Against Defects In Workmanship & Material From Date...
    29-073032861
    SKU:
    29-073032861
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    $20.59
    Qty in Cart: 0
    Price:
    $20.59
    Subtotal:
  • 9 Gallon Steel Rear Sump Oil Pan For Cummins NT855 Big Cam III, IV & N14

    9 Gallon Steel Rear Sump Oil Pan For Cummins NT855 Big Cam III, IV & N14

    AUTOMANN USA

    $460.99
    9 Gallon Steel Rear Sump Oil PanExtend the life of your Cummins engine with this high-quality 9 Gallon Steel Rear Sump Oil Pan, compatible with NT855 Big Cam III, IV, and N14 models. Designed with a...
    29-073031959
    SKU:
    29-073031959
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $460.99
    Qty in Cart: 0
    Price:
    $460.99
    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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