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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
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  • Crystal Halogen Headlight W/ Stainless Steel Bullet Embossed Strip Housing & Single Mounting Post

    Crystal Halogen Headlight W/ Stainless Steel Bullet Embossed Strip Housing & Single Mounting Post

    UNITED PACIFIC

    $264.99
    7 Inch Crystal Halogen Headlight W/ Stainless Steel Bullet Embossed Strip Housing & Single Mounting Post* High Quality Headlight* Includes:  - (1) 304 Stainless Steel Bullet Embossed Stripe Headlight...
    29-16060290
    SKU:
    29-16060290
    Product Type:
    Lighting
    Make:
    Universal Items
    $264.99
    Qty in Cart: 0
    Price:
    $264.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Yoke Clutch Release Fork 8 Inch Length Replaces 02-09688-000 For 1 Inch X 9 Inch Shaft

    Yoke Clutch Release Fork 8 Inch Length Replaces 02-09688-000 For 1 Inch X 9 Inch Shaft

    AFTERMARKET

    $20.99
    Yoke Clutch Release 7 Inch C To C Bolt Length & 4.895 Inch Inside Ear Length* High Quality Yoke Clutch Release Fork* Use With 1 Inch X 9 Inch Shaft (Not Included)* Dimensions:  - 8 Inch Overall...
    29-07050125
    SKU:
    29-07050125
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $20.99
    Qty in Cart: 0
    Price:
    $20.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Manual Transmission Front Bearing Retainer W/ 6 Mounting Holes Replaces 20550B, 3088-20550

    Manual Transmission Front Bearing Retainer W/ 6 Mounting Holes Replaces 20550B, 3088-20550

    AFTERMARKET

    $23.99
    Flange Mount Manual Transmission Front Bearing Retainer* High Quality Transmission Bearing Retainer* Manual Transmission Front Bearing Cover* (6) Mounting Holes* Flange Mount* Sold Individually*...
    29-07050126
    SKU:
    29-07050126
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $23.99
    Qty in Cart: 0
    Price:
    $23.99
    Subtotal:
  • Stiletto Thread On Nut Cover 4.25 X 2.0625 Inch

    Stiletto Thread On Nut Cover 4.25 X 2.0625 Inch

    UNITED PACIFIC

    $1.99
    4.25 X 2.0625 Inch Stiletto Thread On Nut Cover* High Quality Nut Cover* Made Of Injection Molded Plastic* Triple Chrome Plated Finish* Stiletto Design* Designed To Cover Up And Hide The Lug Nut*...
    09-20060032
    SKU:
    09-20060032
    Product Type:
    Wheels
    Make:
    Universal Items
    $1.99
    Qty in Cart: 0
    Price:
    $1.99
    Subtotal:
  • Rear Axle Cover W/ Removable Extra Tall Center Top Cap & 10 33MM Thread On Cylinder Style Nut Covers 13.8125 X 10 Inch

    Rear Axle Cover W/ Removable Extra Tall Center Top Cap & 10 33MM Thread On Cylinder Style Nut Covers 13.8125 X 10 Inch

    UNITED PACIFIC

    $57.99
    13.8125 X 10 Inch Rear Axle Cover W/ Removable Extra Tall Center Top Cap & 10 33MM Thread On Cylinder Style Nut Covers* High Quality Rear Axle Cover* Made Of Injection Molded Plastic* Triple Chrome...
    09-20060027
    SKU:
    09-20060027
    Product Type:
    Wheels
    Make:
    Universal Items
    $57.99
    Qty in Cart: 0
    Price:
    $57.99
    Subtotal:
  • Stainless Steel Standard Nut Covers W/ Flange 33MM X 2.125 Inch 50 Pack

    Stainless Steel Standard Nut Covers W/ Flange 33MM X 2.125 Inch 50 Pack

    UNITED PACIFIC

    $62.99
    50 Pack Standard Nut Covers Stainless Steel 33MM X 2.125 Inch W/ Flange* High Quality Nut Cover* Made Of 304 Stainless Steel* Polished Finish* Standard Style* With Flange* Dimensions:  - 2.1250 Inch...
    09-20030135
    SKU:
    09-20030135
    Product Type:
    Wheels
    Make:
    Universal Items
    $62.99
    Qty in Cart: 0
    Price:
    $62.99
    Subtotal:
  • Cylinder Flat Top Push On Nut Cover 3.5 X 3 Inch

    Cylinder Flat Top Push On Nut Cover 3.5 X 3 Inch

    UNITED PACIFIC

    $19.99
    3.5 X 3 Inch Cylinder Flat Top Push On Nut Cover* High Quality Nut Cover* Made Of Injection Molded Plastic* Triple Chrome Plated Finish* Cylinder Flat Top Style* Designed To Cover Up And Hide The Lug...
    09-20060030
    SKU:
    09-20060030
    Product Type:
    Wheels
    Make:
    Universal Items
    $19.99
    Qty in Cart: 0
    Price:
    $19.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Bosch Style Relay Switch W/ 30/40 AMP 12V Tab

    Bosch Style Relay Switch W/ 30/40 AMP 12V Tab

    UNITED PACIFIC

    $8.99
    Bosch Style Relay Switch W/ Standard 5 Pin Relay* High Quality Relay Switch* Bosch Style* Standard 5 Pin Relay* 30/40 Amp 12V Tab* Sold Individually* Warranty On Relay Switches Against Defects In...
    09-16190911
    SKU:
    09-16190911
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $8.99
    Qty in Cart: 0
    Price:
    $8.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Bosch Style Relay Harness 14 AWG & 18 Foot Leads

    Bosch Style Relay Harness 14 AWG & 18 Foot Leads

    UNITED PACIFIC

    $9.99
    Bosch Style Relay Harness W/ Standard 5 Pole Relay Plug* High Quality Relay Harness* Bosch Style* Standard 5 Pole Relay Plug* 14 AWG* 18 Foot Leads* Sold Individually* Warranty On Relay Harnesses...
    09-16190912
    SKU:
    09-16190912
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $9.99
    Qty in Cart: 0
    Price:
    $9.99
    Subtotal:
  • Turn Signal Flasher 3 Terminal 6V 535 Type

    Turn Signal Flasher 3 Terminal 6V 535 Type

    UNITED PACIFIC

    $11.99
    535 Type Turn Signal Flasher 6V 3 Terminal* High Quality Turn Signal Flasher* (3) Terminal 6V 535 Type* For All 6 Volt Negative Ground Applications* Has P Terminal For Single Dash Indicator Light*...
    09-16190627
    SKU:
    09-16190627
    Product Type:
    Lighting
    Make:
    Universal Items
    $11.99
    Qty in Cart: 0
    Price:
    $11.99
    Subtotal:
  • Super Spike Push On Nut Cover 4.75 Inch For 33 MM Nut Size

    Super Spike Push On Nut Cover 4.75 Inch For 33 MM Nut Size

    UNITED PACIFIC

    $1.99
    4.75 Inch Super Spike Push On Nut Cover Fits 33 MM Nut Size* High Quality Nut Cover* Made Of Injection Molded Plastic* Triple Chrome Plated Finish* Super Spike Design* Designed To Cover Up And Hide...
    09-20060031
    SKU:
    09-20060031
    Product Type:
    Wheels
    Make:
    Universal Items
    $1.99
    Qty in Cart: 0
    Price:
    $1.99
    Subtotal:
  • White Round Saber Light Bar LED Stop, Turn, Tail Light W/ Clear Lens

    White Round Saber Light Bar LED Stop, Turn, Tail Light W/ Clear Lens

    UNITED PACIFIC

    $15.99
    White Round Saber Light Bar LED Stop, Turn, Tail Light W/ 3 Hardwired Wires* High Quality Back Up LED Light* Round Saber Light Bar Design* DOT/SAE, FMVSS 108* IPX7 Water Resistant Rating* Completely...
    09-16091015
    SKU:
    09-16091015
    Product Type:
    Lighting
    Make:
    Universal Items
    $15.99
    Qty in Cart: 0
    Price:
    $15.99
    Subtotal:
  • White Oval Saber Light Bar LED Stop, Turn & Tail Light W/ Clear Lens

    White Oval Saber Light Bar LED Stop, Turn & Tail Light W/ Clear Lens

    UNITED PACIFIC

    $15.99
    White Oval Saber Light Bar LED Stop, Turn & Tail Light W/ Rear Housing With 3 Pin Female Contact Terminals* High Quality Back Up LED Light* Oval Saber Light Bar Design* DOT/SAE, FMVSS 108* IPX7 Water...
    09-16091018
    SKU:
    09-16091018
    Product Type:
    Lighting
    Make:
    Universal Items
    $15.99
    Qty in Cart: 0
    Price:
    $15.99
    Subtotal:
  • Amber Round Saber Light Bar Design LED 4 Inch Turn Signal Light W/ Clear Lens

    Amber Round Saber Light Bar Design LED 4 Inch Turn Signal Light W/ Clear Lens

    UNITED PACIFIC

    $15.99
    Amber Round Saber Light Bar Design LED 4 Inch Turn Signal Light W/ 3 Hardwired Wires & Rear Housing With 3 Pin Female Contact Terminals* High Quality Turn Signal LED Light* Round Saber Light Bar...
    09-1607003
    SKU:
    09-1607003
    Product Type:
    Lighting
    Make:
    Universal Items
    $15.99
    Qty in Cart: 0
    Price:
    $15.99
    Subtotal:
  • Foam Gasket For Sleeper Bunk LED Adapter

    Foam Gasket For Sleeper Bunk LED Adapter

    UNITED PACIFIC

    $1.99
    Foam Gasket Fits Sleeper Bunk LED Adapter* High Quality Foam Gasket* For Sleeper Bunk LED Adapter (Not Included)* Sold Individually* Warranty On Foam Gaskets Against Defects In Workmanship & Material...
    09-16020549
    SKU:
    09-16020549
    Product Type:
    Lighting
    Make:
    Universal Items
    $1.99
    Qty in Cart: 0
    Price:
    $1.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Battery Isolator Switch W/ Hardware & 2 Keys

    Battery Isolator Switch W/ Hardware & 2 Keys

    UNITED PACIFIC

    $20.99
    Battery Isolator Switch W/ 2 Keys & Hardware* High Quality Battery Isolator Switch* Includes:  - (2) Keys  - Hardware* Sold Individually* Warranty On Battery Isolator Switches Against Defects In...
    09-16200204
    SKU:
    09-16200204
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $20.99
    Qty in Cart: 0
    Price:
    $20.99
    Subtotal:
  • Phantom 1 Design Light Bezel 6.6875 X 2.6875 Inch W/ Triple Chrome Plating

    Phantom 1 Design Light Bezel 6.6875 X 2.6875 Inch W/ Triple Chrome Plating

    UNITED PACIFIC

    $5.99
    Light Bezel Phantom 1 Design 6.6875 X 2.6875 Inch W/ Triple Chrome Plating* High Quality Light Bezel* Made Of Injection Molded Plastic* Triple Chrome Plating Process* Phantom I Design* Designed To...
    09-160500006
    SKU:
    09-160500006
    Product Type:
    Lighting
    Make:
    Universal Items
    $5.99
    Qty in Cart: 0
    Price:
    $5.99
    Subtotal:
  • Low Profile Flat Red 2 Inch Round LED Clearance & Marker Light W/ Red Lens

    Low Profile Flat Red 2 Inch Round LED Clearance & Marker Light W/ Red Lens

    UNITED PACIFIC

    $4.99
    Low Profile Flat Red 2 Inch Round LED Marker Light W/ 2 Female Connector* High Quality Clearance/Marker Light* Low Profile Flat Design* Includes:  - Polycarbonate Lens (Sonically Sealed To Housing) ...
    09-1601060679
    SKU:
    09-1601060679
    Product Type:
    Lighting
    Make:
    Universal Items
    $4.99
    Qty in Cart: 0
    Price:
    $4.99
    Subtotal:
  • H8/H11/H16 Bulb 3.3125 Inch W/ 6 Diode White LED

    H8/H11/H16 Bulb 3.3125 Inch W/ 6 Diode White LED

    UNITED PACIFIC

    $43.99
    3.3125 Inch H8/H11/H16 Bulb W/ Fanless Design & 110 Lumens Output* High Quality H8/H11/H16 Bulb* H8/H11/H16 Style Plug* Fanless Design (Proprietary Aluminum Heat Sink Dissipates Excess Heat)*...
    09-1601001084
    SKU:
    09-1601001084
    Product Type:
    Lighting
    Make:
    Universal Items
    $43.99
    Qty in Cart: 0
    Price:
    $43.99
    Subtotal:
  • On Sale
    Amber/Pink Dual Revolution M1 Style Gen 4 LED Marker & Auxiliary Light W/ Clear Lens

    Amber/Pink Dual Revolution M1 Style Gen 4 LED Marker & Auxiliary Light W/ Clear Lens

    TRUX ACCESSORIES

    Now: $28.47
    Was: $35.59
    Amber/Pink Dual Revolution M1 Style Gen 4 LED Marker Light W/ Chrome ABS Plastic Bezel & 3 Male Bullet PlugsAdd versatile lighting and a custom look to your truck with theAmber/Pink Dual Revolution...
    09-160105316
    SKU:
    09-160105316
    Product Type:
    Lighting
    Make:
    Universal Items
    Now: $28.47
    Was: $35.59
    Qty in Cart: 0
    Price:
    Now: $28.47
    Was: $35.59
    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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