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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.
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  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 80mm 1.45 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 800 HP For Caterpillar Engine

    80mm 1.45 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 800 HP For Caterpillar Engine

    SWITCHBLADE TURBO

    $2,515.99
    Switchblade Turbocharger for Caterpillar 3406 Applications* High Quality Switchblade Turbocharger* Significantly Improves Fuel Efficiency By An Estimated 0.5 MPG - 1.5 MPG, Sometimes More* Includes: ...
    29-07050019-C
    SKU:
    29-07050019-C
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Make:
    Universal Items
    Degree Options:
    90
    Style Options:
    Caterpillar
    $2,515.99
    Qty in Cart: 0
    Price:
    $2,515.99
    Subtotal:
  • 78mm 1.45 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 750 HP For Caterpillar

    78mm 1.45 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 750 HP For Caterpillar

    SWITCHBLADE TURBO

    $2,375.99
    Switchblade Turbocharger for Caterpillar 3406 Applications* High Quality Switchblade Turbocharger* Significantly Improves Fuel Efficiency By An Estimated 0.5 MPG - 1.5 MPG, Sometimes More* 1.45 Air...
    29-07050022-C
    SKU:
    29-07050022-C
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Make:
    Universal Items
    Style Options:
    Caterpillar
    $2,375.99
    Qty in Cart: 0
    Price:
    $2,375.99
    Subtotal:
  • 82mm 1.45 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 825 HP For Caterpillar Engine

    82mm 1.45 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 825 HP For Caterpillar Engine

    SWITCHBLADE TURBO

    $2,655.99
    Switchblade Turbocharger for Caterpillar 3406 Applications* High Quality Switchblade Turbocharger* Significantly Improves Fuel Efficiency By An Estimated 0.5 MPG - 1.5 MPG, Sometimes More* Includes: ...
    29-07050020-C
    SKU:
    29-07050020-C
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Make:
    Universal Items
    Degree Options:
    90
    Style Options:
    Caterpillar
    $2,655.99
    Qty in Cart: 0
    Price:
    $2,655.99
    Subtotal:
  • 74mm 26cm A/R Switchblade Turbocharger For Cummins N14 - Up To 575 HP For Cummins N14

    74mm 26cm A/R Switchblade Turbocharger For Cummins N14 - Up To 575 HP For Cummins N14

    SWITCHBLADE TURBO

    $2,235.99
    Switchblade Turbocharger for Cummins N14 Applications* High Quality Switchblade Turbocharger* Significantly Improves Fuel Efficiency By An Estimated 0.5 MPG - 1.5 MPG, Sometimes More* 26 CM Air Ratio...
    29-07050023
    SKU:
    29-07050023
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Make:
    Universal Items
    Style Options:
    Cummins
    $2,235.99
    Qty in Cart: 0
    Price:
    $2,235.99
    Subtotal:
  • 78mm 1.32 A/R Switchblade Turbocharger For Detroit Diesel Series 60 12.7L& 14L, Cummins ISX15 & X15 - Up To 700 HP For Detroit Diesel Series 60

    78mm 1.32 A/R Switchblade Turbocharger For Detroit Diesel Series 60 12.7L& 14L, Cummins ISX15 & X15 - Up To 700 HP For Detroit Diesel Series 60

    SWITCHBLADE TURBO

    $2,375.99
    Switchblade Turbocharger for Cummins ISX15, X15 and Detroit Diesel Series 60 12.7L & 14L Applications* High Quality Switchblade Turbocharger* Significantly Improves Fuel Efficiency By An Estimated 0...
    29-07050021
    SKU:
    29-07050021
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Make:
    Universal Items
    Style Options:
    Detroit
    $2,375.99
    Qty in Cart: 0
    Price:
    $2,375.99
    Subtotal:
  • 78mm 1.32 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 700 HP For Caterpillar

    78mm 1.32 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 700 HP For Caterpillar

    SWITCHBLADE TURBO

    $2,375.99
    Switchblade Turbocharger for Caterpillar 3406 Applications* High Quality Switchblade Turbocharger* Significantly Improves Fuel Efficiency By An Estimated 0.5 MPG - 1.5 MPG, Sometimes More* 1.32 Air...
    29-07050021-C
    SKU:
    29-07050021-C
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Make:
    Universal Items
    Style Options:
    Caterpillar
    $2,375.99
    Qty in Cart: 0
    Price:
    $2,375.99
    Subtotal:
  • 75mm 1.32 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 600 HP For Caterpillar Engine

    75mm 1.32 A/R Switchblade Turbocharger For Caterpillar 3406 A, B, C, E, 6NZ Up To 600 HP For Caterpillar Engine

    SWITCHBLADE TURBO

    $2,235.99
    Switchblade Turbocharger for Caterpillar 3406 Applications* High Quality Switchblade Turbocharger* Significantly Improves Fuel Efficiency By An Estimated 0.5 MPG - 1.5 MPG, Sometimes More* Includes: ...
    29-07050018-C
    SKU:
    29-07050018-C
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Make:
    Universal Items
    Degree Options:
    90
    Style Options:
    Caterpillar
    $2,235.99
    Qty in Cart: 0
    Price:
    $2,235.99
    Subtotal:
  • 4 Inch Chrome Watermelon Light Sleeper Bunk LED Adapter

    4 Inch Chrome Watermelon Light Sleeper Bunk LED Adapter

    UNITED PACIFIC

    $12.35
    Adapter For Mounting Watermelon Light In Opening For 4 Inch LightsThis watermelon light sleeper bunk adapter is built from 304 stainless steel and designed to provide a clean, polished mounting...
    09-1610132
    SKU:
    09-1610132
    Product Type:
    Lighting
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $12.35
    Qty in Cart: 0
    Price:
    $12.35
    Subtotal:
  • 16-24 Gauge Blue Sta-Dry Slip On Terminal, 0.250 Inch Tab

    16-24 Gauge Blue Sta-Dry Slip On Terminal, 0.250 Inch Tab

    AUTOMANN USA

    $23.75
    Slip-On Terminal Male 16-14 Gauge STA-DRY Pack of 25This fully insulated, heat-shrink slip-on terminal is designed for 16-14 gauge wire in heavy-duty electrical applications. It features a .250 inch...
    09-16030358
    SKU:
    09-16030358
    Product Type:
    Air, Electrical, & Safety
    Size Options:
    16 Gauge
    Color:
    Blue
    Make:
    Universal Items
    $23.75
    Qty in Cart: 0
    Price:
    $23.75
    Subtotal:
  • 12-10 Gauge Yellow PVC Ring Terminals No. 10 Stud - 100 Pack

    12-10 Gauge Yellow PVC Ring Terminals No. 10 Stud - 100 Pack

    AUTOMANN USA

    $17.27
    Ring Terminal 12-10ga #10 Stud PVCThis heavy-duty ring terminal handles 12-10 gauge wires and fits a #10 stud, making it ideal for commercial vehicle electrical systems. The vinyl-insulated sleeve...
    09-16030822
    SKU:
    09-16030822
    Product Type:
    Air, Electrical, & Safety
    Color:
    Yellow
    Size Options:
    12 Gauge
    Make:
    Universal Items
    $17.27
    Qty in Cart: 0
    Price:
    $17.27
    Subtotal:
  • 6 Inch Oval Double Fury Stop & Turn Light- Red To Blue LED / Clear Lens

    6 Inch Oval Double Fury Stop & Turn Light- Red To Blue LED / Clear Lens

    UNITED PACIFIC

    $21.35
    6 Inch Oval Double Fury Dual Function LightThis 6 7/16 inch oval light features 13 bright LEDs behind a clear lens, offering a bold double-fury style that delivers strong visibility in both red and...
    09-160105606
    SKU:
    09-160105606
    Product Type:
    Lighting
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Length Options:
    6 Inch
    Color:
    Red/Blue
    $21.35
    Qty in Cart: 0
    Price:
    $21.35
    Subtotal:
  • Minimizer SS Steerable Lift Axle Fender Bracket Kit For Watson Chalin With Bendix Disc Brakes

    Minimizer SS Steerable Lift Axle Fender Bracket Kit For Watson Chalin With Bendix Disc Brakes

    MINIMIZER

    $865.99
    Steerable Lift Axle Fender Bracket Kit* High Quality Fender Bracket Kit* Stainless Steel* Made In USA* Sold Individually* Warranty On Fender Bracket Kits Against Defects In Workmanship & Material...
    09-11100008
    SKU:
    09-11100008
    Product Type:
    Rear Fenders
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $865.99
    Qty in Cart: 0
    Price:
    $865.99
    Subtotal:
  • Minimizer 1352L Carbon Fiber Poly Tandem Axle Fender W Light Box For 52 Inch Axle Spread

    Minimizer 1352L Carbon Fiber Poly Tandem Axle Fender W Light Box For 52 Inch Axle Spread

    MINIMIZER

    $503.99
    Carbon Fiber Poly Tandem Axle Fender With Light Box* High Quality Fender* Carbon Fiber Poly* With Light Box* Fits 52 Inch Axle Spread * Made In USA* Sold Individually* Warranty On Fenders Against...
    09-110500487
    SKU:
    09-110500487
    Product Type:
    Rear Fenders
    Location:
    Made In USA
    Material Options:
    Plastic/Poly
    Width Options:
    52 Inch
    Make:
    Universal Items
    $503.99
    Qty in Cart: 0
    Price:
    $503.99
    Subtotal:
  • 1/2 Inch-13 Thread On Chrome / Black Flame Gearshift Knob

    1/2 Inch-13 Thread On Chrome / Black Flame Gearshift Knob

    UNITED PACIFIC

    $41.86
    1/2 Inch-13 Thread On Flame Gearshift Knob - Black With Chrome FlameThis flame gearshift knob stands 5 3/8 inches tall and features a sleek black finish accented with a bold chrome flame design. It...
    09-1513351
    SKU:
    09-1513351
    Product Type:
    Interior
    Color:
    Black
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    $41.86
    Qty in Cart: 0
    Price:
    $41.86
    Subtotal:
  • Minimizer Auxiliary Lift Fender Series Universal

    Minimizer Auxiliary Lift Fender Series Universal

    MINIMIZER

    $167.99
    Auxiliary Lift Fender SeriesThe Minimizer Auxiliary Lift Poly Fender is made from a special material and shaped using unique techniques. It features a distinctive outer lip that effectively manages...
    09-110506030
    SKU:
    09-110506030
    Product Type:
    Rear Fenders
    Location:
    Made In USA
    Make:
    Universal Items
    $167.99
    Qty in Cart: 0
    Price:
    $167.99
    Subtotal:
  • Minimizer Steerable Lift Axle Fender Bracket Kit For Drum Brakes

    Minimizer Steerable Lift Axle Fender Bracket Kit For Drum Brakes

    MINIMIZER

    $830.99
    Lift / Steerable Lift Axle Kit* High Quality Lift Axle Kit* 4 Bolt Cam Flange * 8000-13000 Pound Axle * 1100 Cam Flange * 4 Hub Bolts * 4 Inch And 7 Inch Cam Flange Bolt Measurements* For Drum Brakes...
    09-11100098
    SKU:
    09-11100098
    Product Type:
    Exterior
    Location:
    Made In USA
    Make:
    Universal Items
    $830.99
    Qty in Cart: 0
    Price:
    $830.99
    Subtotal:
  • Minimizer Steerable Lift Axle Fender Weld On Bracket Kit For Henderickson Axle EXS20

    Minimizer Steerable Lift Axle Fender Weld On Bracket Kit For Henderickson Axle EXS20

    MINIMIZER

    $1,271.99
    Minimizer Steerable Lift Axle Fender Weld On Bracket Kit* High Quality Steer-Axle Fender Brackets* Drum Brakes* Weld On Axle* 20,000 Capacity* Made In USA* Sold As Pair* Warranty On Steer-Axle Fender...
    09-11100230
    SKU:
    09-11100230
    Product Type:
    Exterior
    Location:
    Made In USA
    Make:
    Universal Items
    Rating:
    20000 LBS
    $1,271.99
    Qty in Cart: 0
    Price:
    $1,271.99
    Subtotal:
  • Fast Flap Mounting Install Kit

    Fast Flap Mounting Install Kit

    MINIMIZER

    $193.99
    Fast Flap Mounting Install KitFast Flaps hold mud flaps securely without creating holes or compromising strength. They can withstand over 500 pounds of pressure to keep the mud flap attached without...
    09-0507390
    SKU:
    09-0507390
    Product Type:
    Mud Flaps
    Location:
    Made In USA
    Make:
    Universal Items
    $193.99
    Qty in Cart: 0
    Price:
    $193.99
    Subtotal:
  • Minimizer Slick Plate 33 X 36 X 18.25 For Simplex II Models Fifth Wheels

    Minimizer Slick Plate 33 X 36 X 18.25 For Simplex II Models Fifth Wheels

    MINIMIZER

    $395.99
    5th Wheel Slick Plate Simplex Model II to Protect the 5th Wheel PlateThe Minimizer Slick Plate is designed for Simplex II Fifth Wheels. It measures 36.3 inches in width and 32.8 inches in height. The...
    09-051100921
    SKU:
    09-051100921
    Product Type:
    Frame & Chassis
    Height Options:
    32 Inch
    Width Options:
    36 Inch
    Make:
    Universal Items
    $395.99
    Qty in Cart: 0
    Price:
    $395.99
    Subtotal:
  • 13 Inch Wide Frame Step Trims For Kenworth

    13 Inch Wide Frame Step Trims For Kenworth

    ROADWORKS

    $42.79
    Kenworth Step Trims for 13 Inch Wide Frame Step* High Quality Trim* For Step* Made In USA* Sold Individually* Warranty On Trims Against Defects In Workmanship & Material From Date Of Purchase*** High...
    RW40112
    SKU:
    RW40112
    Product Type:
    Frame & Chassis
    Location:
    Made In USA
    Finish Options:
    Diamond Plate
    Material Options:
    Stainless Steel
    Make:
    Kenworth
    $42.79
    Qty in Cart: 0
    Price:
    $42.79
    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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