null

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
  • 7 X 36 Inch Chrome Bull Hauler Exhaust Stack

    7 X 36 Inch Chrome Bull Hauler Exhaust Stack

    LINCOLN CHROME

    $429.99
    7 OD X 36 Inch Bull Hauler Exhaust Stack* High Quality Exhaust Stack* Bullhorn Top Style* Plain End* Chrome Plated Finish* 36 Inch Height* 7 Inch Outer Diameter* Sold Individually* Warranty On...
    09-08010255
    SKU:
    09-08010255
    Diameter Options:
    7 Inch
    Location:
    Made In USA
    Product Type:
    Exhaust
    Finish Options:
    Chrome-Plated
    Style Options:
    Bull Hauler Turn
    Height Options:
    36 Inch
    Make:
    Universal Items
    Material Options:
    Steel
    Ready To Ship:
    Yes
    $429.99
    Qty in Cart: 0
    Price:
    $429.99
    Subtotal:
  • 7-5 X 44 Inch Chrome Miter Exhaust Stack

    7-5 X 44 Inch Chrome Miter Exhaust Stack

    LINCOLN CHROME

    $389.99
    7-5 OD X 44 Inch Miter Exhaust Stack* High Quality Exhaust Stack* Miter Top Style* Plain End* Chrome Plated Finish* 44 Inch Height* 7 Inch Reduced To 5 Inch Outer Diameter* Sold Individually*...
    09-08010141
    SKU:
    09-08010141
    Location:
    Made In USA
    Product Type:
    Exhaust
    Finish Options:
    Chrome-Plated
    Style Options:
    Miter Cut
    Make:
    Universal Items
    Material Options:
    Steel
    Diameter Options:
    7 To 5 Inch
    Height Options:
    44 Inch
    $389.99
    Qty in Cart: 0
    Price:
    $389.99
    Subtotal:
  • Pilot Bearing Replaces 63052RSJ, PB63052RS

    Pilot Bearing Replaces 63052RSJ, PB63052RS

    AUTOMANN USA

    $17.81
    Nitrile Shields Pilot Bearing* High Quality Pilot Bearing* Nitrile Shields* 0.977 Inch Inner Diameter* 2.440 Inch Outer Diameter* 0.667 Inch Thick* Sold Individually* Warranty On Pilot Bearings...
    09-07050000
    SKU:
    09-07050000
    Diameter Options:
    2 1/4 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $17.81
    Qty in Cart: 0
    Price:
    $17.81
    Subtotal:
  • Single Check Valve Replaces Kn23040. N13526J

    Single Check Valve Replaces Kn23040. N13526J

    AUTOMANN USA

    $16.53
    2.32 X 0.75 Inch Single Check Valve* High Quality Single Check Valve* 3/4 Inch NPT Female Inlet* 3/4 Inch NPT Male Outlet* 2.320 Inch Length* Sold Individually* Warranty On Single Check Valves...
    09-07000002
    SKU:
    09-07000002
    Length Options:
    2 1/4 Inch
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    Material Options:
    Brass
    $16.53
    Qty in Cart: 0
    Price:
    $16.53
    Subtotal:
  • Pinion Seal Replaces 25624339, 88AXB1, A1805A261

    Pinion Seal Replaces 25624339, 88AXB1, A1805A261

    AUTOMANN USA

    $12.70
    4.010 Inch OD X 0.438 Inch Width Pinion Seal With 2.75 Inch Shaft Diameter* High Quality Pinion Seal* 2.750 Inch Shaft Diameter* 4.010 Inch Outer Diameter* 0.438 Inch Width* Sold Individually*...
    09-05210011
    SKU:
    09-05210011
    Diameter Options:
    4 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $12.70
    Qty in Cart: 0
    Price:
    $12.70
    Subtotal:
  • O-Ring Kit- 350 Piece

    O-Ring Kit- 350 Piece

    AFTERMARKET

    $80.99
    O-Ring Kit Replaces ATD-356* High Quality O-Ring Kit* Hnbr 350 Piece* Sold As Kit* Warranty On O-Ring Kits Against Defects In Workmanship & Material From Date Of Purchase* Cross Ref Number ATD-356**...
    09-07000004
    SKU:
    09-07000004
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Position:
    Kit Full
    $80.99
    Qty in Cart: 0
    Price:
    $80.99
    Subtotal:
  • Differential Pinion Seal Replaces 475003N

    Differential Pinion Seal Replaces 475003N

    AUTOMANN USA

    $4.62
    3.63 Inch OD X 0.469 Inch Width Pinion Seal With 2.625 Inch Shaft Diameter* High Quality Pinion Seal* Differential* 2.625 Inch Shaft Diameter* 3.630 Inch Outer Diameter* 0.469 Inch Width* Sold...
    09-05210024
    SKU:
    09-05210024
    Diameter Options:
    3 1/2 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $4.62
    Qty in Cart: 0
    Price:
    $4.62
    Subtotal:
  • Differential Pinion Seal Replaces 64656, 475012N

    Differential Pinion Seal Replaces 64656, 475012N

    AUTOMANN USA

    $8.09
    4.008 Inch OD X 0.468 Inch Width Pinion Seal With 2.937 Inch Shaft Diameter* High Quality Pinion Seal* Differential* 2.937 Inch Shaft Diameter* 4.008 Inch Outer Diameter* 0.468 Inch Width* Sold...
    09-05210026
    SKU:
    09-05210026
    Diameter Options:
    4 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $8.09
    Qty in Cart: 0
    Price:
    $8.09
    Subtotal:
  • Brake Liner 20K- 4.00 Inch Shoe Width

    Brake Liner 20K- 4.00 Inch Shoe Width

    AFTERMARKET

    $93.99
    Replacement Heavy Duty Brake Lining 20K- Grade AMF5008* High Quality Brake Lining* 20K Lb Fleet Premium Heavy Duty Rating* Designed For 20,000 Lbs GAWR Steer Axles* 15.00 Inch Drum Diameter* 4.00...
    09-05170294
    SKU:
    09-05170294
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $93.99
    Qty in Cart: 0
    Price:
    $93.99
    Subtotal:
  • Pinion Seal Replaces 9773

    Pinion Seal Replaces 9773

    AUTOMANN USA

    $12.71
    4.568 Inch OD X 0.718 Inch Width Pinion Seal With 2.625 Inch Shaft Diameter* High Quality Pinion Seal* 2.625 Inch Shaft Diameter* 4.568 Inch Outer Diameter* 0.718 Inch Width* Sold Individually*...
    09-05210020
    SKU:
    09-05210020
    Diameter Options:
    4 1/2 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $12.71
    Qty in Cart: 0
    Price:
    $12.71
    Subtotal:
  • Air Spring Rolling Lobe W/ Plastic Base

    Air Spring Rolling Lobe W/ Plastic Base

    AFTERMARKET

    $189.99
    Air Spring Rolling Lobe* High Quality Air Spring* Automann Phoenix Brand* Rolling Lobe* Load At 80 PSI - 5500 Lbs* Load At 100 PSI - 7000 Lbs* Natural Frequency 70 CPM (Cycles Per Minute)*...
    09-05200014
    SKU:
    09-05200014
    Product Type:
    Frame & Chassis
    Rating:
    100 PSI
    Style Options:
    Rolling Lobe
    Material Options:
    Rubber
    Make:
    Universal Items
    $189.99
    Qty in Cart: 0
    Price:
    $189.99
    Subtotal:
  • CR Scotseal Replaces A1205J738. A1205W1557. A1205X2806. 370047A

    CR Scotseal Replaces A1205J738. A1205W1557. A1205X2806. 370047A

    AFTERMARKET

    $75.99
    Drive Axle CR Scotseal* High Quality Scotseal* CR Genuine Seal Type* For Drive Axle* 3.434 Inch Shaft Diameter* 4.762 Inch Outer Diameter* 0.859 Inch Width* Sold Individually* Warranty On Scotseals...
    09-05210010
    SKU:
    09-05210010
    Product Type:
    Frame & Chassis
    Shape Options:
    Round
    Diameter Options:
    4 3/4 Inch
    Make:
    Universal Items
    $75.99
    Qty in Cart: 0
    Price:
    $75.99
    Subtotal:
  • Double Convoluted Air Spring Replaces Cross Ref Number 7403, 2B12-307, 64488, S1159, AS0007

    Double Convoluted Air Spring Replaces Cross Ref Number 7403, 2B12-307, 64488, S1159, AS0007

    AFTERMARKET

    $185.99
    Double Convoluted Air Spring* High Quality Air Spring* Automann Phoenix Brand* Double Convoluted* Load At 80 PSI - 4720 Lbs* Load At 100 PSI - 5900 Lbs* Natural Frequency 102 CPM (Cycles Per Minute)*...
    09-05200010
    SKU:
    09-05200010
    Material Options:
    Rubber
    Product Type:
    Frame & Chassis
    Style Options:
    Double Convolute
    Make:
    Universal Items
    $185.99
    Qty in Cart: 0
    Price:
    $185.99
    Subtotal:
  • Brake Lining 20K- 5.50 Inch Shoe Width

    Brake Lining 20K- 5.50 Inch Shoe Width

    AFTERMARKET

    $117.99
    Replacement Heavy Duty Brake Lining 20K- 12.25 Inch Drum Diameter* High Quality Brake Lining* 20K Lb Fleet Heavy Duty Rating* Designed For 20,000 Lbs GAWR Steer Axles* 12.25 Inch Drum Diameter* 5.50...
    09-05170264
    SKU:
    09-05170264
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $117.99
    Qty in Cart: 0
    Price:
    $117.99
    Subtotal:
  • Brake Lining 20K- 5.00 Inch Shoe Width

    Brake Lining 20K- 5.00 Inch Shoe Width

    AFTERMARKET

    $85.99
    Replacement Heavy Duty Brake Lining 20K- Grade AMF5008* High Quality Brake Lining* 20K Lb Fleet Heavy Duty Rating* Designed For 20,000 Lbs GAWR Steer Axles* 15.00 Inch Drum Diameter* 5.00 Inch Shoe...
    09-05170286
    SKU:
    09-05170286
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $85.99
    Qty in Cart: 0
    Price:
    $85.99
    Subtotal:
  • Brake Lining 23K- 5.00 Inch Shoe Width

    Brake Lining 23K- 5.00 Inch Shoe Width

    AFTERMARKET

    $117.99
    Replacement Heavy Duty Brake Lining 23K- Grade AMF3085* High Quality Brake Lining* 23K Lb Fleet Premium Heavy Duty Rating* Designed For 23,000 Lbs GAWR Steer Axles* 15.00 Inch Drum Diameter* 5.00...
    09-05170288
    SKU:
    09-05170288
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $117.99
    Qty in Cart: 0
    Price:
    $117.99
    Subtotal:
  • M40 ABS Tractor - Modulator Valve

    M40 ABS Tractor - Modulator Valve

    AFTERMARKET

    $659.99
    ABS Modulator Valve* High Quality Modualtor Valve* M40 ABS Tractor - Modulator Valve* Recommended To Replace Modulators On Both Sides Of The Axle At The Same Time* Sold Individually* Warranty On...
    09-05170271
    SKU:
    09-05170271
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $659.99
    Qty in Cart: 0
    Price:
    $659.99
    Subtotal:
  • Combination Brake Liner 23K- 6.00 Inch Shoe Width For Meritor Drive Axle

    Combination Brake Liner 23K- 6.00 Inch Shoe Width For Meritor Drive Axle

    AFTERMARKET

    $138.99
    Brake Lining 23K For GAWR Steer Axles* High Quality Brake Lining* 23K Lbs Combination Lining* Designed For 23,000 Lbs GAWR Steer Axles* 16.50 Inch Drum Diameter* 6.00 Inch Shoe Width* Sold As Set*...
    09-05170221
    SKU:
    09-05170221
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $138.99
    Qty in Cart: 0
    Price:
    $138.99
    Subtotal:
  • Double Oversize Brake Lining- 26,000 Lbs

    Double Oversize Brake Lining- 26,000 Lbs

    AFTERMARKET

    $271.99
    Double Oversize Brake Lining Transit-For 26,000 Lbs GAWR Steer Axles* High Quality Brake Lining Transit* Double Oversize* Designed For 26,000 Lbs GAWR Steer Axles* 18.5 Inch Slr (Static Loaded...
    09-05170237
    SKU:
    09-05170237
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $271.99
    Qty in Cart: 0
    Price:
    $271.99
    Subtotal:
  • Brake Liner 20K- 6 inch Shoe Width

    Brake Liner 20K- 6 inch Shoe Width

    AFTERMARKET

    $110.99
    Replacement Heavy Duty Brake Lining 20K- 15.00 Inch Drum Diameter* High Quality Brake Lining* 20K Lb Fleet Premium Heavy Duty Rating* Designed For 20,000 Lbs GAWR Steer Axles* 15.00 Inch Drum...
    09-05170246
    SKU:
    09-05170246
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $110.99
    Qty in Cart: 0
    Price:
    $110.99
    Subtotal:
  • Total: items /

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.


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!