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Kenworth W990 Parts

With so many options to choose from, it's no wonder the Kenworth W990 is already making a premium statement in the trucking industry. The W990 comes with uncompromising style, performance and unprecedented lifestyle amenities. Shopping for aftermarket bumpers, fenders, and other custom parts to fit your W990 is easy with 4 State Trucks, shop online or stop in the retail store in Joplin, MO.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • 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:
  • FREE SHIPPING OVER $249
    BPR1 Type Brake Proportioning Relay Valve W/ 4 PSI Crack Pressure Replaces 170.065145

    BPR1 Type Brake Proportioning Relay Valve W/ 4 PSI Crack Pressure Replaces 170.065145

    AFTERMARKET

    $63.99
    BPR1 Type Brake Proportioning Relay Valve W/ Control, Service, Supply & Delivery Ports* High Quality Relay Valve* BPR1 Type Brake Proportioning Relay Valve* 4 PSI Crack Pressure* Mounting Bracket...
    09-05170495
    SKU:
    09-05170495
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $63.99
    Qty in Cart: 0
    Price:
    $63.99
    Subtotal:
  • FREE SHIPPING OVER $249
    TP3DC Type Tractor Protection Valve W/ Double Check Valve Replaces 170.065706

    TP3DC Type Tractor Protection Valve W/ Double Check Valve Replaces 170.065706

    AFTERMARKET

    $80.99
    TP3DC Type Tractor Protection Valve W/ Primary, Secondary, Switch & Supply Ports* High Quality Tractor Protection Valve* TP3DC Type Tractor Protection Valve* Contains Double Check Valve* Ports:  -...
    09-05170486
    SKU:
    09-05170486
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $80.99
    Qty in Cart: 0
    Price:
    $80.99
    Subtotal:
  • FREE SHIPPING OVER $249
    D2 Type Governor W/ Gasket, 3 Plugs & ADIS Type Check Valve Kit Replaces 170.5004049

    D2 Type Governor W/ Gasket, 3 Plugs & ADIS Type Check Valve Kit Replaces 170.5004049

    AFTERMARKET

    $42.99
    D2 Type Governor W/ 105 PSI Cut-In & 125 PSI Cut-Out* High Quality Governor* D2 Type* Operating Temps From -40 To 200 Degrees Farenheit* 105 PSI Cut-In* 125 PSI Cut-Out* Non-Adjustable* Used In ADIS...
    09-05170480
    SKU:
    09-05170480
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $42.99
    Qty in Cart: 0
    Price:
    $42.99
    Subtotal:
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Adding your products to cart

The Kenworth W990 Parts product lineup provides a comprehensive selection of high-quality replacement and aftermarket parts for the popular Kenworth W990 semi-truck model. From essential mechanical components like engine parts and drivetrain parts to exterior accessories and cab/sleeper upgrades, this product lineup offers a one-stop shop for all your Kenworth W990 repair and customization needs. Key features of the Kenworth W990 Parts product lineup include: - Wide range of engine, cooling, and drivetrain parts to keep your W990 running strong - Exterior upgrades like bumpers, grilles, lights, and aerodynamic accessories to enhance the look and performance of your truck - Cab and sleeper components including seats, trim, storage solutions, and climate control parts - Electrical and electronics items like lights, mirrors, and wiring harnesses - Suspension, brakes, and steering parts for a smooth, safe ride Whether you're performing routine maintenance, restoring a classic W990, or outfitting your truck for maximum comfort and style, this product lineup has the high-quality Kenworth W990 parts and accessories you need. With a focus on durability, quality, and functionality, these parts will help keep your W990 on the road and running at its best for miles to come.

Frequently Asked Questions About Kenworth W990 Parts

What years and models are compatible with W990 aftermarket parts?

Most aftermarket parts for the Kenworth W990 are designed to fit model years 2018 through current production. However, compatibility can vary by specific part type. Bumpers, grilles, and exterior accessories typically fit all W990 models, while interior components may have slight variations between early production (2018-2019) and newer models (2020+). Always verify the specific model year range listed for each part, and contact our team if you need confirmation for your exact truck specifications.

Are aftermarket W990 bumpers as durable as OEM parts?

Quality aftermarket bumpers for the W990 are typically made from heavy-duty 304 or 316 stainless steel, matching or exceeding OEM specifications. Look for bumpers with 16-gauge or thicker steel construction and reinforced mounting points. Many aftermarket options actually offer superior corrosion resistance compared to factory chrome-plated steel bumpers. Pay attention to warranty terms - reputable manufacturers offer at least a 1-year warranty on materials and workmanship.

What tools and expertise are needed to install W990 parts?

Installation complexity varies by part type. Exterior accessories like bug shields, visor brackets, and light bars typically require basic hand tools and can be installed in 1-2 hours. Bumper replacements need more substantial tools including impact wrenches, jack stands, and potentially a helper due to weight (bumpers can weigh 150-300 pounds). Electrical components like LED upgrades require wire strippers, crimpers, and basic electrical knowledge. Most parts come with detailed instructions, but professional installation is recommended for major components if you lack experience.

What finish options are available for W990 chrome parts?

W990 chrome parts come in several finish options to match your truck's appearance. Mirror-polished stainless steel provides the brightest, most durable finish that won't peel or flake. Standard chrome plating offers a classic look at a lower price point but may require more maintenance. Powder-coated options in black or custom colors are available for certain parts. Some manufacturers also offer brushed stainless for a more subdued, modern appearance. Consider your climate and maintenance preferences when choosing finishes.

How do I ensure proper fitment when ordering W990 parts online?

Start by having your OEM and exact model specifications ready when ordering. Check if the part listing specifically mentions W990 compatibility versus generic "fits Kenworth" claims. Look for parts with detailed measurements and mounting specifications. Read customer reviews focusing on fitment issues for your specific model year. For critical components like bumpers or fairings, confirm bolt patterns and mounting points match your truck. When in doubt, contact customer service with your truck details before ordering - providing photos of your current setup can help ensure accurate fitment.


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