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Mack Truck Parts

Find top-quality Mack truck parts at 4 State Trucks. Upgrade your rig with OE replacements and aftermarket solutions to ensure peak performance and durability. From bumpers and engine parts to fenders, you'll discover everything needed to keep your truck in prime condition. Hit the road confidently with reliable replacement Mack Truck parts.
  • Product
  • Qty in Cart
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  • Price
  • Subtotal
  • RigMaster Coolant Level Sensor Kit - Bottom Mounted

    RigMaster Coolant Level Sensor Kit - Bottom Mounted

    RIGMASTER

    $48.09
    Bottom Mounted Coolant Level Sensor Kit - RP5-1011KKeep your equipment running smoothly with this bottom-mounted Coolant Level Sensor Kit. Easily detect coolant levels, prevent downtime, and ensure...
    RP51011K
    SKU:
    RP51011K
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $48.09
    Qty in Cart: 0
    Price:
    $48.09
    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
    Availability:
    Ready To Ship
    $128.99
    Qty in Cart: 0
    Price:
    $128.99
    Subtotal:
  • RigMaster Lower Radiator Hose For T4-6 Models W/ Caterpillar Or Perkins Engine

    RigMaster Lower Radiator Hose For T4-6 Models W/ Caterpillar Or Perkins Engine

    RIGMASTER

    $21.44
    Lower Radiator Hose - RP5-027* High Quality Radiator Hose * Lower* May Need To Cut To Fit* Sold Individually * Warranty On Radiator Hoses Against Defects In Workmanship & Material From Date Of...
    RP5027
    SKU:
    RP5027
    Position:
    Lower
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $21.44
    Qty in Cart: 0
    Price:
    $21.44
    Subtotal:
  • RigMaster High Temp Exhaust Gasket For Use With 6-1/2 Inch Flex Pipe

    RigMaster High Temp Exhaust Gasket For Use With 6-1/2 Inch Flex Pipe

    RIGMASTER

    $10.94
    Exhaust Flex Pipe / Muffler Gasket - RP6-083* High Quality Exhaust Gasket* High Temperature * For Flex Pipe/Muffler* Sold Individually * Warranty On Exhaust Gaskets Against Defects In Workmanship &...
    RP6083
    SKU:
    RP6083
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $10.94
    Qty in Cart: 0
    Price:
    $10.94
    Subtotal:
  • RigMaster MTS T4-6 Air Cabin Controller

    RigMaster MTS T4-6 Air Cabin Controller

    RIGMASTER

    $311.99
    Replacement MTS T4-6 Air Cabin Controller - RP50-201The Cabin Controller features an easier-to-see and use LCD and basic control buttons, with advanced controls concealed behind a sleek cover. Its...
    RP50201
    SKU:
    RP50201
    Material Options:
    Plastic/Poly
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Interior
    $311.99
    Qty in Cart: 0
    Price:
    $311.99
    Subtotal:
  • RigMaster Safety Switch Cover Kit - Version 2

    RigMaster Safety Switch Cover Kit - Version 2

    RIGMASTER

    $98.99
    Safety Cover Switch Kit - RP7-022K* High Quality Safety Cover Switch Kit* Version 2* Sold Individually * Warranty On Safety Cover Switch Kits Against Defects In Workmanship & Material From Date Of...
    RP7022K
    SKU:
    RP7022K
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Interior
    $98.99
    Qty in Cart: 0
    Price:
    $98.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    RigMaster Air Top Cabin Heater 12 Volt W/ Smart Temp Controller

    RigMaster Air Top Cabin Heater 12 Volt W/ Smart Temp Controller

    RIGMASTER

    Now: $449.00
    Was: $1,323.99
    12 Volt Air Top Cabin Heater 12V with Smartemp Controller Kit - RP14-5010609B* High Quality Cabin Heater * 12 Volt* With Smart Temp Controller Kit * Sold Individually* Warranty On Cabin Heaters...
    RP145010609B
    SKU:
    RP145010609B
    Material Options:
    Plastic/Poly
    Truck Class:
    Universal
    Location:
    Made In USA
    Make:
    Universal Items
    Product Type:
    Interior
    Availability:
    Ready To Ship
    Now: $449.00
    Was: $1,323.99
    Qty in Cart: 0
    Price:
    Now: $449.00
    Was: $1,323.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    RigMaster Upper Radiator Hose 10 1/2 Inch For T4-6 Models W/ Caterpillar Or Perkins Engine

    RigMaster Upper Radiator Hose 10 1/2 Inch For T4-6 Models W/ Caterpillar Or Perkins Engine

    RIGMASTER

    Now: $4.91
    Was: $16.03
    10 1/2 Inch Radiator Upper Hose - RP5-024Check out this quality 10.5 inch top radiator long hose at 4 State Trucks for T4-6 models with Caterpillar and Perkins engines! It's built to last and keep...
    RP5024
    SKU:
    RP5024
    Truck Class:
    Universal
    Length Options:
    10 1/2 Inch
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Availability:
    Ready To Ship
    Now: $4.91
    Was: $16.03
    Qty in Cart: 0
    Price:
    Now: $4.91
    Was: $16.03
    Subtotal:
  • On Sale
    Limited Quantity Available
    RigMaster Weather Stripping - Sold Per Foot

    RigMaster Weather Stripping - Sold Per Foot

    RIGMASTER

    Now: $0.42
    Was: $2.03
    Weather Stripping - RP12-055Absorb shock, reduce vibration, and resist water and sunlight with Weather Stripping. Sold per foot for easy application.* High Quality Weather Stripping * 12 Inch Cut*...
    RP12055
    SKU:
    RP12055
    Material Options:
    Foam
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Interior
    Availability:
    Ready To Ship
    Now: $0.42
    Was: $2.03
    Qty in Cart: 0
    Price:
    Now: $0.42
    Was: $2.03
    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 Rubber Cover Latch Key Kit

    RigMaster Rubber Cover Latch Key Kit

    RIGMASTER

    $53.99
    RigMaster APU Generator Replacement Cover Latch Key Kit - RP12-056K* High Quality Cover Latch Kit * Rubber * Includes Latches And Hardware* Sold Individually * Warranty On Cover Latch Kits Against...
    RP12056K
    SKU:
    RP12056K
    Truck Class:
    Universal
    Location:
    Made In USA
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Hood Parts & Acc.
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • Drum Bolt Assemblies 2 Inch

    Drum Bolt Assemblies 2 Inch

    AFTERMARKET

    $229.99 - $321.99
    Choose Option(s) to see description.Drum Bolt Assemblies 5/8 Inch-18 x 2 Inch - 150 Pieces150 Pieces - 2 Inch Bolt Assembly W/ 5/8 Inch-18 Thread* High Quality Drum Bolt Assembly* 5/8 Inch-18 x 2...
    PPR_205994
    SKU:
    PPR_205994
    Material Options:
    Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $229.99 - $321.99
    Qty in Cart: 0
    Price:
    $229.99 - $321.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Miniature Halogen Bulbs - Clear Lens

    Miniature Halogen Bulbs - Clear Lens

    AUTOMANN USA

    $2.38 - $6.93
    Replace worn or dim lights with these high-quality Miniature Halogen Bulbs featuring a clear lens for crisp, bright illumination. Available in multiple options-including #2057, #57, #53, #24, #37,...
    PPR_205917
    SKU:
    PPR_205917
    Material Options:
    Glass
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Lighting
    Availability:
    Ready To Ship
    $2.38 - $6.93
    Qty in Cart: 0
    Price:
    $2.38 - $6.93
    Subtotal:
  • Air Disc Brake Pads Replaces 8556-D1438

    Air Disc Brake Pads Replaces 8556-D1438

    AFTERMARKET

    $165.99
    Choose Option(s) to see description.Air Disc Brake Pads Severe Duty - 8556-D1438Severe Duty Air Disc Brake Pads* High Quality Air Disc Brake Pads* Made Of Semi Metallic Material* Severe Duty*...
    PPR_205891
    SKU:
    PPR_205891
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $165.99
    Qty in Cart: 0
    Price:
    $165.99
    Subtotal:
  • 1/4 Inch Push Lock Connect Collar Accessory Pack - Choose Color

    1/4 Inch Push Lock Connect Collar Accessory Pack - Choose Color

    AUTOMANN USA

    $1.62 - $2.71
    Choose Option(s) to see description.1/4 Inch PLC Collar Accessory Pack - TanTan Air Solenoid 1/4 Inch Push Lock Connect Collars - 10 Pack* High Quality Air Solenoid Valve Accessory Collar* 1/4 Inch...
    PPR_205810
    SKU:
    PPR_205810
    Diameter Options:
    1/4 Inch
    Truck Class:
    Universal
    Material Options:
    Nylon
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $1.62 - $2.71
    Qty in Cart: 0
    Price:
    $1.62 - $2.71
    Subtotal:
  • RigMaster A/C Receiver Drier Kit

    RigMaster A/C Receiver Drier Kit

    RIGMASTER

    $41.47
    A/C Receiver Drier Kit - LG9-007K* High Quality Receiver Drier Kit* Sold Individually* Warranty On Receiver Drier Kits Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    LG9007K
    SKU:
    LG9007K
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $41.47
    Qty in Cart: 0
    Price:
    $41.47
    Subtotal:
  • RigMaster A/C Hose O Ring Kit For Kohler

    RigMaster A/C Hose O Ring Kit For Kohler

    RIGMASTER

    $6.97
    Kohler O Ring Kit For A/C Hose LG9-R KIT* High Quality O Ring Kit * Includes:  - (3) Large O Rings   - (3) Medium O Rings   - (2) Small O Rings* For A/C Hoses * Sold Individually * Warranty On O Ring...
    LG9R KIT
    SKU:
    LG9R KIT
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $6.97
    Qty in Cart: 0
    Price:
    $6.97
    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 Electric Fan Puller 12 Volt 10 Blade - Side Mounted

    RigMaster Electric Fan Puller 12 Volt 10 Blade - Side Mounted

    RIGMASTER

    $104.99
    APU Electric Fan with Female Delphi Connector - LG7-230The RigMaster APU fan help ensure optimal airflow and ventilation within the APU system, supporting efficient cooling and smooth operation. It...
    LG7230
    SKU:
    LG7230
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
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Adding your products to cart

Frequently Asked Questions About Mack Truck Parts

What Mack truck models and years are your parts compatible with?

Our Mack truck parts cover a wide range of models including the Anthem, Pinnacle, Granite, and older CH, CL, and Vision series. Most of our parts fit trucks from 1990 to current model years. Each product listing includes specific model and year compatibility information. For older Mack models like the R-Model or Superliner, availability is more limited but we do carry select restoration parts. Always check the product description or contact our team with your OEM for exact fitment verification.

Are aftermarket Mack parts as reliable as OEM parts?

We carry both genuine OEM Mack parts and high-quality aftermarket alternatives. Our aftermarket parts are manufactured to meet or exceed OEM specifications and often come from the same suppliers that manufacture for Mack. Chrome bumpers, for example, typically feature triple-chrome plating with proper nickel and copper base layers for durability. Many customers choose aftermarket options for better pricing without sacrificing quality. All parts come with manufacturer warranties, typically ranging from 1 to 3 years depending on the component.

What tools and skills do I need to install Mack truck parts myself?

Installation difficulty varies by part type. Basic items like mirrors, grab handles, and light bars typically require standard hand tools and can be installed in 30-60 minutes. Bumpers and grilles usually need two people, basic mechanical skills, and may require drilling for non-OEM replacements. Engine components, electrical parts, and suspension items often require specialized tools and professional installation. We provide installation instructions when available, and our tech support can guide you on whether a part is DIY-friendly for your skill level.

How do I choose between chrome, stainless steel, and painted finishes?

Chrome provides the classic polished look but requires regular maintenance to prevent pitting and rust, especially in northern climates with road salt. Stainless steel offers excellent corrosion resistance with less maintenance but costs 20-30% more than chrome. Painted finishes are most economical and can be color-matched to your truck but may need repainting after 5-7 years. For work trucks in harsh conditions, we recommend stainless steel. For show trucks or mild climates, chrome delivers the best appearance. Consider your climate, maintenance schedule, and budget when choosing.

What is your return policy if a part doesn't fit my Mack truck?

We accept returns on most Mack truck parts within 30 days of purchase if they're unused and in original packaging. Electrical parts, custom-ordered items, and clearance parts are non-returnable. If a part doesn't fit due to our error in listing compatibility, we cover return shipping. For customer-ordered incorrect parts, you're responsible for return shipping costs. We recommend double-checking fitment before ordering, and our customer service team is available at 1-417-775-7878 to verify compatibility before you purchase.


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