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Mack CX Truck Engine & Performance Parts

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  • Qty in Cart
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  • Price
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  • Bully Dog 6 Pin Diagnostic Plug

    Bully Dog 6 Pin Diagnostic Plug

    BULLY DOG

    $63.49
    Replacement Diagnostic Plug For Bully Dog DevicesIf you lost or damaged your 6 pin diagnostic plug, 4 State Trucks has you covered. This high quality replacement part will get your Bully Dog device...
    09-070400003
    SKU:
    09-070400003
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $63.49
    Qty in Cart: 0
    Price:
    $63.49
    Subtotal:
  • FREE SHIPPING
    Diesel Fuel Pump System, 250 GPH Industrial Series By FASS

    Diesel Fuel Pump System, 250 GPH Industrial Series By FASS

    FASS

    $912.99
    FASS IND 250G Diesel Fuel Pump SystemFASS Fuel Systems has engineered the top-performing Industrial Series Diesel Fuel System right here in the U.S.A. With advanced 2 Micron filtration, built-in...
    09-07030162
    SKU:
    09-07030162
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Availability:
    Ready To Ship
    $912.99
    Qty in Cart: 0
    Price:
    $912.99
    Subtotal:
  • FASS 165 GPH Industrial Series Diesel Fuel Pump System

    FASS 165 GPH Industrial Series Diesel Fuel Pump System

    FASS

    $980.99
    FASS IND 165G Diesel Fuel Pump System* High Quality Fuel System* Ind165G Series FASS* Featuring: - Revolutionary Whisper Technology - 165 Gallons Per Minute At 16-18 PSI* Recommended For 400 - 590...
    09-07030161
    SKU:
    09-07030161
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $980.99
    Qty in Cart: 0
    Price:
    $980.99
    Subtotal:
  • FREE SHIPPING OVER $249
    FASS Fuel System Mounting Bracket - Eliminates Frame Drilling

    FASS Fuel System Mounting Bracket - Eliminates Frame Drilling

    FASS

    $150.99
    FASS Fuel System Mounting Bracket* High Quality Bracket* Eliminates Frame Drilling* Fits Frame Heights From 10 Inch To 11.75 Inch* Designed To Fit Securely Around The Frame* Sold Individually* Made...
    09-07030153
    SKU:
    09-07030153
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $150.99
    Qty in Cart: 0
    Price:
    $150.99
    Subtotal:
  • Electric Diesel Fuel Heater Kit For FASS System Titanium Series

    Electric Diesel Fuel Heater Kit For FASS System Titanium Series

    FASS

    $207.99
    Titanium Series Optional Electric Diesel Fuel Heater KitUpgrade your FASS System for extreme cold with the Titanium Series Electric Heater Kits. These heaters prevent gelling, aid cold weather...
    09-07030148
    SKU:
    09-07030148
    Truck Class:
    Universal
    Location:
    Made In USA
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $207.99
    Qty in Cart: 0
    Price:
    $207.99
    Subtotal:
  • Mounting Package For Fuel Pump W/ 140. 240. 250.260 Or 290 GPH Flow Rating

    Mounting Package For Fuel Pump W/ 140. 240. 250.260 Or 290 GPH Flow Rating

    FASS

    $48.43
    Mounting Package For Fuel Pump W/ 140. 240. 250.260 Or 290 GPH Flow Rating* High Quality Mounting Package* For Fuel Pumps With 140, 240, 250, 260, Or 290 Gallons Per Hour Flow Rating* Universal In...
    09-07030011
    SKU:
    09-07030011
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $48.43
    Qty in Cart: 0
    Price:
    $48.43
    Subtotal:
  • Mounting Package For Fuel Pump W/ 100 Or 165 GPH Flow Rating For Class 8 Applications

    Mounting Package For Fuel Pump W/ 100 Or 165 GPH Flow Rating For Class 8 Applications

    FASS

    $50.99
    Mounting Package For Fuel Pump W/ 100 Or 165 GPH Flow Rating* High Quality Mounting Package* For Fuel Pumps With 100 Or 165 Gallons Per Hour Flow Rating* Made In The USA* Sold Individually* Warranty...
    09-07030010
    SKU:
    09-07030010
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • FASS Fuel Systems Fuel System Mounting For Class 8 Trucks Titanium Universal High Pressure

    FASS Fuel Systems Fuel System Mounting For Class 8 Trucks Titanium Universal High Pressure

    FASS

    $50.99
    Mounting Package For Fuel Pumps Fits Class 8 TrucksFASS fuel system mounting packages make installing your new FASS fuel pump quick and easy. These mounts feature durable construction and come with...
    09-07030009
    SKU:
    09-07030009
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • Mounting Package For Fuel Pump W/ 95 Or 165 GPH Flow Rating For Class 8 Applications

    Mounting Package For Fuel Pump W/ 95 Or 165 GPH Flow Rating For Class 8 Applications

    FASS

    $40.79
    Mounting Package For Fuel Pump W/ 95 Or 165 GPH Flow Rating* High Quality Mounting Package* For Fuel Pump For Class 8 Trucks* For Fuel Pumps With 95 Or 165 Gallons Per Hour Flow Rating* Made In The...
    09-07030008
    SKU:
    09-07030008
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $40.79
    Qty in Cart: 0
    Price:
    $40.79
    Subtotal:
  • FASS Industrial Series Diesel 260 GPH Fuel System, Class 8

    FASS Industrial Series Diesel 260 GPH Fuel System, Class 8

    FASS

    $1,135.99
    260 GPH Fuel System* High Quality Diesel Fuel System* Aluminum Housing* Fass Air Separation Port Ties Into OEM Engine Fuel Return* Preset 16 PSI Fuel Pressure* 260 Gallons Per Hour Flow Rating*...
    09-07030007
    SKU:
    09-07030007
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,135.99
    Qty in Cart: 0
    Price:
    $1,135.99
    Subtotal:
  • FASS Industrial Series Diesel 240 GPH Fuel System, Class 8

    FASS Industrial Series Diesel 240 GPH Fuel System, Class 8

    FASS

    $891.99
    240 GPH Fuel SystemThis Industrial Series Diesel Fuel System delivers 240 gallons per hour and connects seamlessly to your OEM engine fuel return, no extra fuel line needed. With a 16 PSI preset...
    09-07030006
    SKU:
    09-07030006
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $891.99
    Qty in Cart: 0
    Price:
    $891.99
    Subtotal:
  • FASS Industrial Series Diesel 140 GPH Fuel System, Class 8

    FASS Industrial Series Diesel 140 GPH Fuel System, Class 8

    FASS

    $1,032.99
    140 GPH Fuel System* High Quality Diesel Fuel System* Aluminum Housing* Fass Air Separation Port Ties Into OEM Engine Fuel Return* Preset 16 PSI Fuel Pressure* 140 Gallons Per Hour Flow Rating*...
    09-07030005
    SKU:
    09-07030005
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,032.99
    Qty in Cart: 0
    Price:
    $1,032.99
    Subtotal:
  • FASS Industrial Series Diesel 100 GPH Fuel System For Class 8 UIM Engines

    FASS Industrial Series Diesel 100 GPH Fuel System For Class 8 UIM Engines

    FASS

    $789.99
    100 GPH Fuel System Fits Class 8 UIM Engines* High Quality Diesel Fuel System* Aluminum Housing* Fass Air Separation Port Ties Into OEM Engine Fuel Return* Preset 16 PSI Fuel Pressure * 100 Gallons...
    09-07030003
    SKU:
    09-07030003
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $789.99
    Qty in Cart: 0
    Price:
    $789.99
    Subtotal:
  • FASS Industrial Series Diesel 290 GPH Fuel System, Class 8 For Cummins, Cat, Detroit Diesel Trucks

    FASS Industrial Series Diesel 290 GPH Fuel System, Class 8 For Cummins, Cat, Detroit Diesel Trucks

    FASS

    $1,096.99
    290 GPH Fuel System, Class 8 Fits Cummins, Cat, Detroit Diesel Trucks* High Quality Diesel Fuel System* Aluminum Housing* 8 Fass Air Separation Port Ties Into OEM Engine Fuel Return* Preset 16 PSI...
    09-07030002
    SKU:
    09-07030002
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,096.99
    Qty in Cart: 0
    Price:
    $1,096.99
    Subtotal:
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Frequently Asked Questions About Mack CX Truck Engine & Performance Parts

Will these engine and performance parts fit my specific Mack CX model and engine configuration?

Mack CX trucks were built over several years with different engine options, so it's important to verify the part against your truck's specific engine model and serial number before ordering. Check the fitment details listed on each product page, and if you're unsure, reach out to our parts specialists with your engine information so we can confirm compatibility before you buy.

Are these parts OEM, aftermarket, or reconditioned?

Our Mack CX engine and performance parts inventory includes a mix of OEM, quality aftermarket, and reconditioned components depending on availability. Each product listing specifies the part's condition and manufacturer so you know exactly what you're purchasing and can weigh cost against original equipment specifications.

What core components are typically included in this category?

This category covers engine and performance related components for Mack CX trucks, such as parts related to fuel systems, turbochargers, exhaust and emissions components, cooling system parts, gaskets, sensors, and other components tied to engine performance and operation. Browse the listings to find the specific component you need for your repair or upgrade.

How do I know if a part is still available for an older Mack CX truck?

Because the Mack CX is an older platform, availability on certain components can be limited and may change as stock is sold through. If a part you need is out of stock or not listed, contact our team directly. We regularly source hard to find parts for older Mack trucks and can help track down what you're looking for.

Do I need professional installation, or can I install these parts myself?

Installation complexity varies widely across engine and performance parts, from simple sensor or gasket replacements to more involved work like turbocharger or fuel system components. If you have the mechanical experience and proper tools, many parts can be installed in-house, but we recommend having complex engine work performed by a qualified diesel technician to ensure proper installation and to avoid affecting engine performance or warranty coverage.


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