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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
    BESTfit Stainless Steel T-Bolt Clamp For Charge Air Coolers

    BESTfit Stainless Steel T-Bolt Clamp For Charge Air Coolers

    BESTFIT TRUCK PARTS

    $8.54 - $31.20
    Prevent leaks and maintain peak airflow in your charge air cooler system with the BESTfit Stainless Steel Heavy Duty T-Bolt Clamp, designed for sizes from 3.562 - 3.875 Inch up to 7 - 7.5 Inch. Made...
    PPR_202710
    SKU:
    PPR_202710
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $8.54 - $31.20
    Qty in Cart: 0
    Price:
    $8.54 - $31.20
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    BESTfit Stainless Steel Lined Hose Clamp

    BESTfit Stainless Steel Lined Hose Clamp

    BESTFIT TRUCK PARTS

    $1.02 - $4.09
    Secure coolant and air system connections with the reliable BESTfit Stainless Steel Lined Hose Clamp 0.812?1.75 Inch. This high-quality aftermarket hose clamp is made from stainless steel and...
    PPR_202709
    SKU:
    PPR_202709
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $1.02 - $4.09
    Qty in Cart: 0
    Price:
    $1.02 - $4.09
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Stainless Steel Large Hose Clamp

    BESTfit Stainless Steel Large Hose Clamp

    BESTFIT TRUCK PARTS

    $17.17 - $21.13
    Refresh your setup with the Stainless Steel Large Hose Clamp, a reliable fastening solution designed for cooling, intake, and air systems. Made from corrosion?resistant stainless steel, this clamp...
    PPR_202708
    SKU:
    PPR_202708
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $17.17 - $21.13
    Qty in Cart: 0
    Price:
    $17.17 - $21.13
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    BESTfit Stainless Steel Constant Torque Coolant Hose Clamps

    BESTfit Stainless Steel Constant Torque Coolant Hose Clamps

    BESTFIT TRUCK PARTS

    $5.59 - $15.60
    Repair your truck's cooling system with the Stainless Steel Constant Torque Coolant Hose Clamp. This clamp is designed to maintain a consistent, uniform seal across a wide range of hose diameters,...
    PPR_201138
    SKU:
    PPR_201138
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Diameter Options:
    2 1/2 Inch
    Location:
    Made In USA
    Diameter Options:
    3 1/2 Inch
    Width Options:
    5/8 Inch
    Diameter Options:
    1 3/4 Inch
    Diameter Options:
    3 1/8 Inch
    Diameter Options:
    2 1/8 Inch
    Width Options:
    1/2 Inch
    $5.59 - $15.60
    Qty in Cart: 0
    Price:
    $5.59 - $15.60
    Subtotal:
  • FREE SHIPPING OVER $249
    LF14000NN Fleetguard Oil Filter Cummins ISX

    LF14000NN Fleetguard Oil Filter Cummins ISX

    OPP - ORIGINAL PARTS PROGRAM

    $69.99
    LF14000NN Fleetguard Oil Filter Cummins ISX* Fleetguard Oil Filter* For Cummins ISX Shorter Version Of LF9070FLG* Sold Individually* Warranty On Filter Oil Against Defects In Workmanship & Material...
    LF9080FLG
    SKU:
    LF9080FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $69.99
    Qty in Cart: 0
    Price:
    $69.99
    Subtotal:
  • FREE SHIPPING OVER $249
    LF9070 Fleetguard Spin-On Oil Filter Cummins ISX

    LF9070 Fleetguard Spin-On Oil Filter Cummins ISX

    OPP - ORIGINAL PARTS PROGRAM

    $80.99
    LF9070 Fleetguard Spin-On Oil Filter Cummins ISX* Replaces OEM # LF9000FLG* Sold Individually* Warranty On Oil Filter Against Defects In Workmanship & Material From Date Of Purchase*** This Is An OEM...
    LF9070FLG
    SKU:
    LF9070FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $80.99
    Qty in Cart: 0
    Price:
    $80.99
    Subtotal:
  • FREE SHIPPING OVER $249
    LF9009 Fleetguard Oil Filter Cummins ISC - ISL

    LF9009 Fleetguard Oil Filter Cummins ISC - ISL

    OPP - ORIGINAL PARTS PROGRAM

    $60.99
    LF9009 Fleetguard Oil Filter Cummins ISC - ISL* High Quality Oil Filter Cummins * Sold Individually* Warranty On Oil Filter Cummins Against Defects In Workmanship & Material From Date Of Purchase*|**...
    LF9009FLG
    SKU:
    LF9009FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $60.99
    Qty in Cart: 0
    Price:
    $60.99
    Subtotal:
  • FREE SHIPPING OVER $249
    LF777 Fleetguard By-Pass Spin-On Oil Filter

    LF777 Fleetguard By-Pass Spin-On Oil Filter

    OPP - ORIGINAL PARTS PROGRAM

    $31.07
    LF777 Fleetguard By-Pass Spin-On Oil Filter* High Quality Filter Oil* Sold Individually* Warranty On Fuel Filter Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    LF777FLG
    SKU:
    LF777FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $31.07
    Qty in Cart: 0
    Price:
    $31.07
    Subtotal:
  • FREE SHIPPING OVER $249
    CAT 3406 A-E - Fleetguard Oil Filter

    CAT 3406 A-E - Fleetguard Oil Filter

    OPP - ORIGINAL PARTS PROGRAM

    $30.88
    LF691A Fleetguard Spin-On Oil Filter CAT 3406 A-EThe Fleetguard Spin-On Oil Filter protects your engine with its sturdy and corrosion-resistant build. It can handle demanding conditions without any...
    LF691AFLG
    SKU:
    LF691AFLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $30.88
    Qty in Cart: 0
    Price:
    $30.88
    Subtotal:
  • FREE SHIPPING OVER $249
    LF3970 Fleetguard Oil Filter Cummins ISB

    LF3970 Fleetguard Oil Filter Cummins ISB

    OPP - ORIGINAL PARTS PROGRAM

    $18.66
    LF3970 Fleetguard Oil Filter Cummins ISB* High Quality Filter Oil* Sold Individually* Warranty On Fuel Filter Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    LF3970FLG
    SKU:
    LF3970FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $18.66
    Qty in Cart: 0
    Price:
    $18.66
    Subtotal:
  • FREE SHIPPING OVER $249
    Fleetguard Spin-On Oil Filter Full-Flow Replaces LF3620 For Detroit 60 Engines

    Fleetguard Spin-On Oil Filter Full-Flow Replaces LF3620 For Detroit 60 Engines

    OPP - ORIGINAL PARTS PROGRAM

    $23.72
    LF3620 Spin-On Oil FilterThis oil filter is for Detroit 60 engines. The LF3620 Fleetguard Full-Flow Spin-On Oil Filter features a lube filter and offers full-flow spin-on capabilities. It has a 9...
    LF3620FLG
    SKU:
    LF3620FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Diameter Options:
    4 3/4 Inch
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Length Options:
    9 3/4 Inch
    Style Options:
    Detroit
    $23.72
    Qty in Cart: 0
    Price:
    $23.72
    Subtotal:
  • FleetGuard LF3488 Oil Filter

    FleetGuard LF3488 Oil Filter

    OPP - ORIGINAL PARTS PROGRAM

    $29.17
    FleetGuard LF3488 Oil Filter* High Quality Oil Filter* FleetGuard * LF3488* Sold Individually* Warranty On Oil Filters Against Defects In Workmanship & Material From Date Of Purchase*|** This Is An...
    LF3488
    SKU:
    LF3488
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $29.17
    Qty in Cart: 0
    Price:
    $29.17
    Subtotal:
  • FS19932 Fleetguard Fuel & Water Separator Filter

    FS19932 Fleetguard Fuel & Water Separator Filter

    OPP - ORIGINAL PARTS PROGRAM

    $42.95
    FS19932 Fleetguard Fuel/Water Separator Filter* High Quality Filter* Fuel/Water Seperator* With Drain* Without Sensor Port* Replaces OE Numbers R71, R90P, S3226P, BF1346, P551767, P550747, PS7714,...
    FS19932FLG
    SKU:
    FS19932FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $42.95
    Qty in Cart: 0
    Price:
    $42.95
    Subtotal:
  • FREE SHIPPING OVER $249
    Spin-On Fuel/Water Separator FS1212

    Spin-On Fuel/Water Separator FS1212

    OPP - ORIGINAL PARTS PROGRAM

    $26.46
    Cummins Filtration Fuel/Water Separator* High Quality Separator Filter* Overall Height: 201.17MM (7.92 Inch)* Largest OD: 93.73MM (3.69 Inch)* Thread Size: 1-14 UNS-2B* Sold Individually* Warranty On...
    FS1212FLG
    SKU:
    FS1212FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $26.46
    Qty in Cart: 0
    Price:
    $26.46
    Subtotal:
  • FREE SHIPPING OVER $249
    FS1065 Fleetguard Fuel Filter/Water Separator Cummins ISL

    FS1065 Fleetguard Fuel Filter/Water Separator Cummins ISL

    OPP - ORIGINAL PARTS PROGRAM

    $48.77
    FS1065 Fleetguard Fuel Filter With Water Separator Cummins ISLThe filter has efficient filtration function, which can improve the fuel rate of the engine, protect your engine and prolong its service...
    FS1065FLG
    SKU:
    FS1065FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $48.77
    Qty in Cart: 0
    Price:
    $48.77
    Subtotal:
  • FREE SHIPPING OVER $249
    FS1040 Fuel Filter Cummins ISX

    FS1040 Fuel Filter Cummins ISX

    OPP - ORIGINAL PARTS PROGRAM

    $59.99
    FS1040 Fuel Filter Cummins ISX* High Quality Fuel Filter* Sold Individually* Warranty On Fuel Filter Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    FS1040FLG
    SKU:
    FS1040FLG
    Truck Class:
    Universal
    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
    FF5686 Fleetguard Fuel Filter Cummins ISX

    FF5686 Fleetguard Fuel Filter Cummins ISX

    OPP - ORIGINAL PARTS PROGRAM

    $103.99
    FF5686 Fleetguard Fuel Filter Cummins ISX* High Quality Fuel Filter* Sold Individually* Warranty On Fuel Filter Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    FF5686FLG
    SKU:
    FF5686FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $103.99
    Qty in Cart: 0
    Price:
    $103.99
    Subtotal:
  • FREE SHIPPING OVER $249
    FF5632 Fleetguard Fuel Filter Cummins ISB

    FF5632 Fleetguard Fuel Filter Cummins ISB

    OPP - ORIGINAL PARTS PROGRAM

    $33.40
    FF5632 Fleetguard Fuel Filter Cummins ISB* High Quality Fuel Filter* Sold Individually* Warranty On Fuel Filter Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    FF5632FLG
    SKU:
    FF5632FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $33.40
    Qty in Cart: 0
    Price:
    $33.40
    Subtotal:
  • FREE SHIPPING OVER $249
    Fleetguard Fuel Filter For FASS Fuel System FF5588

    Fleetguard Fuel Filter For FASS Fuel System FF5588

    FASS

    $44.30
    FF5588 Fleetguard Fuel Filter For FASS Fuel System* Physical Dimensions:  Largest OD - 3.75 Inch  Overall Height - 8 Inch  Thread Size - 1.5 -16 UN-2B* Sold Individually* Warranty On Fuel Filter...
    FF5588FLG
    SKU:
    FF5588FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $44.30
    Qty in Cart: 0
    Price:
    $44.30
    Subtotal:
  • Fuel Filter For CAT 3126 Engines

    Fuel Filter For CAT 3126 Engines

    OPP - ORIGINAL PARTS PROGRAM

    $27.33
    FF5324FLG Fuel Filter For Caterpillar 3126 Engines* High Quality Fuel Filter* FleetGaurd* Works With CAT 3126* Sold Individually* Warranty On Fuel Filters Against Defects In Workmanship & Material...
    FF5324FLG
    SKU:
    FF5324FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $27.33
    Qty in Cart: 0
    Price:
    $27.33
    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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