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Freightliner Columbia 112/120 Parts

Keep your Freightliner Columbia 112 or 120 in top shape with 4 State Trucks, your go-to source for custom, OE, and aftermarket parts. We offer everything from bumpers and grills to mirrors and headlights, all designed to ensure your truck performs at its best. Known for its durability, the Freightliner Columbia deserves top-quality parts and accessories. Trust 4 State Trucks for the components you need to keep your vehicle running smoothly.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • FREE SHIPPING OVER $249
    Automatic Trailer Axles Haldex Type Slack Adjuster W/ 6 Inch Straight Arm Height Replaces 133.2841

    Automatic Trailer Axles Haldex Type Slack Adjuster W/ 6 Inch Straight Arm Height Replaces 133.2841

    AFTERMARKET

    $78.99
    Automatic Trailer Axles Haldex Type Slack Adjuster W/ 1.5 Inch - 28 Spline Diameter Replaces 133.2841* High Quality Slack Adjuster* Automatic, Trailer Axles, Haldex Type* 28 Spline Count* Straight...
    09-05170515
    SKU:
    09-05170515
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • FREE SHIPPING OVER $249
    MV3 Type Dash Valve W/ Integral Push-Lock-Connect Fittings Replaces 170.KN20619, 20560009

    MV3 Type Dash Valve W/ Integral Push-Lock-Connect Fittings Replaces 170.KN20619, 20560009

    AFTERMARKET

    $156.99
    MV3 Type Dash Valve 3.5 X 5.33 Inch C To C W/ 4 0.3 Inch Diameter Bolt Holes & 6 - 3/8 Inch PLC Ports* High Quality Dash Valve* MV3 Type Dash Control Module With Integral Push-Lock-Connect Fittings*...
    09-05170506
    SKU:
    09-05170506
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $156.99
    Qty in Cart: 0
    Price:
    $156.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BPR1 Type Brake Proportioning Relay Valve W/ 5.5 PSI Crack Pressure & Mounting Bracket Replaces 170.065146

    BPR1 Type Brake Proportioning Relay Valve W/ 5.5 PSI Crack Pressure & Mounting Bracket Replaces 170.065146

    AFTERMARKET

    $61.99
    BPR1 Type Brake Proportioning Relay Valve W/ Control, Service, Supply & Deliver Ports* High Quality Relay Valve* BPR1 Type Brake Proportioning Relay Valve* 5.5 PSI Crack Pressure* Mounting Bracket...
    09-05170500
    SKU:
    09-05170500
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $61.99
    Qty in Cart: 0
    Price:
    $61.99
    Subtotal:
  • FREE SHIPPING OVER $249
    SR7 Type Spring Brake Modulating Valve Replaces 170.K021558

    SR7 Type Spring Brake Modulating Valve Replaces 170.K021558

    AFTERMARKET

    $162.99
    SR7 Type Spring Brake Modulating Valve W/ Control, Balance, Supply & Delivery Ports* High Quality Spring Brake Valve* SR7 Type Spring Brake Modulating Valve* Ports:  - (1) 1/4 Inch NPT Control Port ...
    09-05170501
    SKU:
    09-05170501
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $162.99
    Qty in Cart: 0
    Price:
    $162.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Automatic Bendix Slack Adjuster W/ 28 Spline & Straight Arm Replaces 137.2810

    Automatic Bendix Slack Adjuster W/ 28 Spline & Straight Arm Replaces 137.2810

    AFTERMARKET

    $78.99
    Automatic Bendix Slack Adjuster 5/8 Inch - 28 Cleves Thread, 1 Inch A/F & 1 Inch C To C Pin* High Quality Slack Adjuster* Automatic Bendix Type* 28 Spline Count* Straight Arm* Clevis Kit Bendix Type...
    09-05170511
    SKU:
    09-05170511
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • FREE SHIPPING OVER $249
    MV3 Type Dash Valve Control Module W/ Integral Push-Lock-Connect Fittings Replaces 5009234, 801360

    MV3 Type Dash Valve Control Module W/ Integral Push-Lock-Connect Fittings Replaces 5009234, 801360

    AFTERMARKET

    $152.99
    MV3 Type Dash Valve 4.21 X 3 Inch C To C W/ 4 - .0275 Inch Diameter Bolt Holes* High Quality Dash Valve* MV3 Type Dash Control Module With Integral Push-Lock-Connect Fittings* Auxiliary Port Not...
    09-05170502
    SKU:
    09-05170502
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $152.99
    Qty in Cart: 0
    Price:
    $152.99
    Subtotal:
  • FREE SHIPPING OVER $249
    R12V Type Relay Valve W/ 4 PSI Crack Pressure & Mounting Brackets Replaces 170.065303

    R12V Type Relay Valve W/ 4 PSI Crack Pressure & Mounting Brackets Replaces 170.065303

    AFTERMARKET

    $54.99
    R12V Type Relay Valve 2.61 X 1 Inch C To C Bolt Holes W/ Service, Supply & Delivery Ports* High Quality Relay Valve* R12V Type Relay Valve* 4 PSI Crack Pressure* Mounting Bracket Included* Ports:  -...
    09-05170496
    SKU:
    09-05170496
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $54.99
    Qty in Cart: 0
    Price:
    $54.99
    Subtotal:
  • FREE SHIPPING OVER $249
    R12V Type Relay Valve W/ 4 PSI Crack Pressure & Mounting Bracket Replaces 170.065104

    R12V Type Relay Valve W/ 4 PSI Crack Pressure & Mounting Bracket Replaces 170.065104

    AFTERMARKET

    $52.99
    R12V Type Relay Valve 2.61 Inch C To C Bolt Hole Width W/ Service, Supply & Delivery Ports* High Quality Relay Valve* R12V Type Relay Valve* 4 PSI Crack Pressure* Mounting Bracket Included* Ports:  -...
    09-05170497
    SKU:
    09-05170497
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $52.99
    Qty in Cart: 0
    Price:
    $52.99
    Subtotal:
  • FREE SHIPPING OVER $249
    SR7 Spring Brake Valve W/ 2 - 1.38 Inch M1 Mounting Studs Replaces 170.K021560, K021560

    SR7 Spring Brake Valve W/ 2 - 1.38 Inch M1 Mounting Studs Replaces 170.K021560, K021560

    AFTERMARKET

    $172.99
    SR7 Spring Brake Valve W/ 3/8 PLC Control & Balance Port, 1/2 NPT Supply Port* High Quality Spring Brake Valve* SR7 Type Spring Brake Modulating Valve* Includes:  - 3/8 Inch PLC Control Port  - 3/8...
    09-05170507
    SKU:
    09-05170507
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $172.99
    Qty in Cart: 0
    Price:
    $172.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Haldex Type Air Regulator Valve 3.5 Inch Height Replaces 170.KN31070

    Haldex Type Air Regulator Valve 3.5 Inch Height Replaces 170.KN31070

    AFTERMARKET

    $80.99
    Haldex Type Air Regulator Valve W/ 3/8 NPT Inlet & Outlet Port, 3/8 Inch 24 Threaded Post* High Quality Air Regulator Valve* Haldex Type* Adjustable From 10 PSI To 125 PSI* Includes:  - (1) 3/8 Inch...
    09-05170498
    SKU:
    09-05170498
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $80.99
    Qty in Cart: 0
    Price:
    $80.99
    Subtotal:
  • FREE SHIPPING OVER $249
    E3 Type Single Circuit Foot Valve W/ 4 - 1/2 Inch NPT Delivery Ports

    E3 Type Single Circuit Foot Valve W/ 4 - 1/2 Inch NPT Delivery Ports

    AFTERMARKET

    $56.99
    E3 Type Single Circuit Foot Valve W/ 1/2 Inch NPT Supply Port & 1/4 Inch NPT Auxiliary Supply Port* High Quality Foot Valve* E3 Type Single Circuit Foot Valve* Ports:  - (4) 1/2 Inch NPT Delivery...
    09-05170503
    SKU:
    09-05170503
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • FREE SHIPPING OVER $249
    RT4 Type Multifunction Relay Valve W/ 4 PSI Crack Pressure Replaces 170.KN26000

    RT4 Type Multifunction Relay Valve W/ 4 PSI Crack Pressure Replaces 170.KN26000

    AFTERMARKET

    $76.99
    RT4 Type Multifunction Relay Valve W/ Service Tank, Control, Supply, Reservoir & Deliver Ports* High Quality Relay Valve* RT4 Type Multifunction Valve* 55 PSI PPV Closing Pressure* 4 PSI Crack...
    09-05170492
    SKU:
    09-05170492
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    Subtotal:
  • FREE SHIPPING OVER $249
    MV3 Type Dash Valve Control Module W/ Integral Push-Lock-Connect Fittings Replaces 170.800840WF, 2506-188-C

    MV3 Type Dash Valve Control Module W/ Integral Push-Lock-Connect Fittings Replaces 170.800840WF, 2506-188-C

    AFTERMARKET

    $190.99
    MV3 Type Dash Valve 4.225 X 3 Inch C To C W/ 4 M6 X 1 - 6H Mounting Holes* High Quality Dash Valve* MV3 Type Dash Control Module With Integral Push-Lock-Connect Fittings* Operating Temp From -40 To...
    09-05170493
    SKU:
    09-05170493
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $190.99
    Qty in Cart: 0
    Price:
    $190.99
    Subtotal:
  • FREE SHIPPING OVER $249
    MV3 Type Dash Valve Control Module W/ Knobs, 2 Spool Manifold & 6 - 1/4 Inch NPT Ports Replaces 101890, 14539

    MV3 Type Dash Valve Control Module W/ Knobs, 2 Spool Manifold & 6 - 1/4 Inch NPT Ports Replaces 101890, 14539

    AFTERMARKET

    $125.99
    MV3 Type Dash Valve 4.187 X 3.031 Inch C To C W/ 4 - 1/4 Inch 20 Threaded Mounting Holes* High Quality Dash Valve* MV3 Type Dash Control Module With Knobs* Manifold 2 Spool* (6) 1/4 Inch NPT Ports*...
    09-05170494
    SKU:
    09-05170494
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $125.99
    Qty in Cart: 0
    Price:
    $125.99
    Subtotal:
  • FREE SHIPPING OVER $249
    QR1C Type Quick Release Valve W/ 5-8 PSI Crack Pressure Replaces 170800348, 800348

    QR1C Type Quick Release Valve W/ 5-8 PSI Crack Pressure Replaces 170800348, 800348

    AFTERMARKET

    $17.99
    QR1C Type Quick Release Valve W/ NPT Supply, Delivery & Balance Ports* High Quality Quick Release Valve* QR1C Type Quick Release Valve* Integral Double Check Valve* 5 - 8 PSI Crack Pressure* Ports: ...
    09-05170488
    SKU:
    09-05170488
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $17.99
    Qty in Cart: 0
    Price:
    $17.99
    Subtotal:
  • FREE SHIPPING OVER $249
    PPDC Type Dash Valve W/ Integral Push-Lock-Connect Fittings Replaces 065661, 065661BXW

    PPDC Type Dash Valve W/ Integral Push-Lock-Connect Fittings Replaces 065661, 065661BXW

    AFTERMARKET

    $132.99
    PPDC Type Dash Valve 3 -1/4 Inch 20 Threaded Mounting Holes, 3 X 2.54 Inch C To C* High Quality Dash Valve* PPDC Type Dash Valve With Integral Push-Lock-Connect Fittings* Ports:  - (2) 3/8 Inch PLC...
    09-05170489
    SKU:
    09-05170489
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $132.99
    Qty in Cart: 0
    Price:
    $132.99
    Subtotal:
  • FREE SHIPPING OVER $249
    SR7 Type Spring Brake Valve Replaces 170.K021557

    SR7 Type Spring Brake Valve Replaces 170.K021557

    AFTERMARKET

    $155.99
    SR7 Type Spring Brake Valve W/ Control, Balance, Supply & Delivery Ports* High Quality Spring Brake Valve* SR7 Type Spring Brake Modulating Valve* Ports:  - (2) 1/4 Inch NPT Control Ports  - (1) 1/4...
    09-05170499
    SKU:
    09-05170499
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $155.99
    Qty in Cart: 0
    Price:
    $155.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Spring Brake Control Valve W/ 3/8 Inch NPT Control Support & 3/8 Inch NPT Supply Port Replaces 170.110170

    Spring Brake Control Valve W/ 3/8 Inch NPT Control Support & 3/8 Inch NPT Supply Port Replaces 170.110170

    AFTERMARKET

    $86.99
    Spring Brake Control Valve W/ 2 - 1/2 Inch NPT Reservoir Ports & 4 3/8 Inch NPT Delivery Ports* High Quality Spring Brake Valve* Protected Reservoir Spring Brake Control Valve* Control And Supply...
    09-05170490
    SKU:
    09-05170490
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $86.99
    Qty in Cart: 0
    Price:
    $86.99
    Subtotal:
  • FREE SHIPPING OVER $249
    TP3 Type Tractor Protection Valve Rear Mounted Replaces 170.279000

    TP3 Type Tractor Protection Valve Rear Mounted Replaces 170.279000

    AFTERMARKET

    $26.99
    TP3 Type Tractor Protection Valve W/ .35 Inch Mounting Hole* High Quality Tractor Protection Valve* TP3 Type Tractor Protection Valve* Trailer Ports Are Both 1/2 in. NPT* Protects Tractor Air Supply...
    09-05170484
    SKU:
    09-05170484
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $26.99
    Qty in Cart: 0
    Price:
    $26.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Dash Valve MV3 Type Dash Control Module W/ Integral Push-Lock-Connect Fittings Replaces 170.800260, 170.800260WF

    Dash Valve MV3 Type Dash Control Module W/ Integral Push-Lock-Connect Fittings Replaces 170.800260, 170.800260WF

    AFTERMARKET

    $133.99
    Dash Valve 4.22 X 3 Inch C To C W/ 4 M5 X .8 - 6H Mounting Holes* High Quality Dash Valve* MV3 Type Dash Control Module With Integral Push-Lock-Connect Fittings* Operating Temp From -40 To 200...
    09-05170485
    SKU:
    09-05170485
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $133.99
    Qty in Cart: 0
    Price:
    $133.99
    Subtotal:
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Adding your products to cart

The Freightliner Columbia 112/120 is a versatile semi-truck model that offers a range of features and options to meet the diverse needs of the trucking industry. With its powerful engine and rugged construction, the Columbia 112/120 is well-suited for long-haul transportation, local deliveries, and a variety of other commercial applications.

Why Customize the Columbia 112/120 with Aftermarket Parts & Accessories?

One of the key benefits of the Freightliner Columbia 112/120 is its exceptional long-haul performance and fuel efficiency. The truck is available with a variety of engine options, including Cummins and Detroit Diesel powerplants, which deliver impressive horsepower and torque for smooth acceleration and reliable pulling power. The Columbia's aerodynamic design and advanced powertrain technologies also contribute to its outstanding fuel economy, helping to reduce operating costs for fleet owners and owner-operators. In addition to its impressive performance, the Freightliner Columbia 112/120 is known for its driver-focused interior and user-friendly controls. The spacious cab provides ample room for the driver and one or more passengers, with comfortable seating and easy-to-reach instrumentation. The truck also offers a variety of customization options, allowing owners to tailor the vehicle to their specific needs and preferences.

Upgrade for Performance, Comfort & Style Today

Whether you're hauling heavy freight, making local deliveries, or transporting specialty cargo, the Freightliner Columbia 112/120 is a reliable and versatile choice that can help you get the job done efficiently and cost-effectively. With its combination of power, durability, and driver-centric features, the Columbia 112/120 is well-suited for a wide range of commercial transportation tasks.

Frequently Asked Questions About Freightliner Columbia 112/120 Parts

What year models are compatible with Freightliner Columbia 112/120 parts?

Freightliner Columbia 112/120 parts are primarily designed for trucks manufactured between 2001 and 2017. However, compatibility can vary by specific part type. Columbia models underwent design changes in 2004 and 2011, so always verify fitment by checking your OEM or contacting our support team. Parts for pre-2004 models may not fit 2004-2010 versions, and 2011-2017 models often require different components due to updated mounting points and dimensions.

What's the difference between aftermarket and OEM parts for my Columbia?

OEM parts are manufactured to exact Freightliner specifications and typically cost 30-50% more than aftermarket options. Quality aftermarket parts use similar materials (often 16-18 gauge steel for bumpers, chrome-plated or powder-coated finishes) and fit just as well when sourced from reputable manufacturers. The main differences are price and warranty terms. Aftermarket parts usually carry 1-2 year warranties versus 3-year OEM warranties, but offer better value for most applications.

Do I need special tools or professional installation for Columbia bumpers and grilles?

Most Columbia bumper installations require basic hand tools including socket sets (typically 3/4" and 7/8"), torque wrenches, and potentially a helper due to weight (bumpers range from 75-150 lbs). Front bumper replacement typically takes 2-4 hours for DIY installation. Grille installations are generally simpler, requiring 30-60 minutes. However, if your truck has fog lights, sensors, or air dam components, professional installation may be recommended to ensure proper electrical connections and calibration.

Which chrome bumper finish lasts longest in harsh weather conditions?

Triple-chrome plated steel bumpers offer the best durability, typically lasting 5-7 years in moderate climates and 3-5 years in areas with heavy road salt exposure. Powder-coated options provide excellent corrosion resistance but may show wear faster on impact points. For maximum longevity, look for bumpers with nickel-copper-chrome plating processes and consider adding a protective clear coat sealant. Regular washing and waxing can extend any bumper's life by 2-3 years.

How do I identify the correct part numbers for my specific Columbia model?

The most reliable method is using your truck's OEM, particularly digits 4-8 which indicate the model and configuration. Part numbers are typically found on labels attached to original components or stamped into the metal. For Columbia 112 models, part numbers often begin with A17-, while 120 models commonly use A18- prefixes. Our parts specialists can cross-reference your OEM to ensure exact fitment, especially important for components like hoods, fenders, and bumpers where small dimensional differences matter.


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