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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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  • Price
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  • BESTfit 11 Inch Muffler Clamp

    BESTfit 11 Inch Muffler Clamp

    BESTFIT TRUCK PARTS

    $54.99
    Universal Powder Coated Clamp For 11 Inch Mufflers* High Quality Muffler* 11 Inch* Made In USA* Sold Individually* Warranty On Mufflers Against Defects In Workmanship & Material From Date Of...
    09-0805026
    SKU:
    09-0805026
    Product Type:
    Exhaust
    Diameter Options:
    11 Inch
    Make:
    Universal Items
    $54.99
    Qty in Cart: 0
    Price:
    $54.99
    Subtotal:
  • BESTfit 6 Inch Stainless Steel 180 Degree Heat Shield - 30 Inch Long

    BESTfit 6 Inch Stainless Steel 180 Degree Heat Shield - 30 Inch Long

    BESTFIT TRUCK PARTS

    $195.99
    Vertical Slot Heat Shield Guard For 6 Inch Exhaust Pipes* High Quality Heat Shied* Stainless Steel* 30 Inch Height* 180 Degree* With Vertical Slots* Made In USA* Sold Individually* Warranty On Heat...
    09-080800060
    SKU:
    09-080800060
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Height Options:
    30 Inch
    Degree Options:
    180
    Style Options:
    Vertical
    Make:
    Universal Items
    $195.99
    Qty in Cart: 0
    Price:
    $195.99
    Subtotal:
  • BESTfit 4 ID x 24 Inch Aluminized Curved Exhaust Stack

    BESTfit 4 ID x 24 Inch Aluminized Curved Exhaust Stack

    BESTFIT TRUCK PARTS

    $57.67
    Aluminized Curved Exhaust Stack Pipe* High Quality Stack* Curved* Aluminized* Dimensions:  - 4 Inch I.D  - 24 Inch Height* Made In USA* Sold Individually* Warranty On Stacks Against Defects In...
    09-084024174
    SKU:
    09-084024174
    Product Type:
    Exhaust
    Height Options:
    24 Inch
    Material Options:
    Aluminized Steel
    Diameter Options:
    4 Inch
    Style Options:
    Curve Turn
    Make:
    Universal Items
    $57.67
    Qty in Cart: 0
    Price:
    $57.67
    Subtotal:
  • BESTfit 4 ID / ID X 12 Inch Stainless Steel Flex Hose

    BESTfit 4 ID / ID X 12 Inch Stainless Steel Flex Hose

    BESTFIT TRUCK PARTS

    $76.99
    PACCAR Replacement Triple-S Exhaust Flex Hose* High Quality Flex Hose* Stainless Steel* 4 Inch* Made In USA* Sold Individually* Warranty On Flex Hoses Against Defects In Workmanship & Material From...
    09-08044124
    SKU:
    09-08044124
    Product Type:
    Exhaust
    Diameter Options:
    4 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    Subtotal:
  • BESTfit 5 Inch ID / OD Aluminized Straight Tubing - 120 Inch

    BESTfit 5 Inch ID / OD Aluminized Straight Tubing - 120 Inch

    BESTFIT TRUCK PARTS

    $187.99
    120 Inch Length Straight Aluminized Tubing ID/OD* High Quality Tubing* Aluminized* 120 Inch Length* Made In USA* Sold Individually* Warranty On Tubing Against Defects In Workmanship & Material From...
    09-080100600
    SKU:
    09-080100600
    Product Type:
    Exhaust
    Material Options:
    Aluminized Steel
    Length Options:
    120 Inch
    Make:
    Universal Items
    $187.99
    Qty in Cart: 0
    Price:
    $187.99
    Subtotal:
  • BESTfit 8.5 Inch 180 Degree Heat Shield Mounting Brackets

    BESTfit 8.5 Inch 180 Degree Heat Shield Mounting Brackets

    BESTFIT TRUCK PARTS

    $39.99
    8.5 Inch 180 Mounting Brackets For 180 Degree Wrap Around Heat Shield* High Quality Mounting Brackets* Zinc-Plated* 8.5 Inch* 180 Degree* For Heat Shields * Made In USA* Sold Individually* Warranty...
    09-0808155
    SKU:
    09-0808155
    Product Type:
    Exhaust
    Length Options:
    8 1/2 Inch
    Material Options:
    Zinc
    Degree Options:
    180
    Make:
    Universal Items
    $39.99
    Qty in Cart: 0
    Price:
    $39.99
    Subtotal:
  • BESTfit 9 Inch Diameter Aluminized Type 1 Muffler With 4 Inch ID / ID

    BESTfit 9 Inch Diameter Aluminized Type 1 Muffler With 4 Inch ID / ID

    BESTFIT TRUCK PARTS

    $206.99
    Stainless Steel 4 Inch ID End In - End Out Centered Muffler* High Quality Muffler* Aluminized* Dimensions:  - 9 Inch Body Diameter   - 44.5 Inch Body Length   - 51 Inch Overall Length* Made In USA*...
    09-08020051
    SKU:
    09-08020051
    Product Type:
    Exhaust
    Length Options:
    51 Inch
    Material Options:
    Aluminized Steel
    Diameter Options:
    9 Inch
    Make:
    Universal Items
    $206.99
    Qty in Cart: 0
    Price:
    $206.99
    Subtotal:
  • BESTfit 18 Inch Stainless Steel Stainless Steel Heat Shield Grab Handle

    BESTfit 18 Inch Stainless Steel Stainless Steel Heat Shield Grab Handle

    BESTFIT TRUCK PARTS

    $117.99
    18 inch Stainless Heat Shield Grab Handle - Bolt-On Safety BarNeed a solid grab handle for your rig? This 18-inch stainless handle bolts right to your heat shield and gets the job done. Built from...
    09-0808151
    SKU:
    09-0808151
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Length Options:
    18 Inch
    Make:
    Universal Items
    $117.99
    Qty in Cart: 0
    Price:
    $117.99
    Subtotal:
  • BESTfit 4 Inch Aluminized Flexible Seal Exhaust Clamp - 3.75 Inch Wide

    BESTfit 4 Inch Aluminized Flexible Seal Exhaust Clamp - 3.75 Inch Wide

    BESTFIT TRUCK PARTS

    $13.01
    Flat Band Seal Clamp* High Quality Clamp* Aluminized* 3.375 Inch Wide* Flexible* Made In USA* Sold Individually* Warranty On Clamps Against Defects In Workmanship & Material From Date Of Purchase***...
    09-08000177
    SKU:
    09-08000177
    Product Type:
    Exhaust
    Material Options:
    Aluminized Steel
    Width Options:
    3 1/8 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $13.01
    Qty in Cart: 0
    Price:
    $13.01
    Subtotal:
  • BESTfit 8 X 120 Inch Galvanized Flex Hose Coils

    BESTfit 8 X 120 Inch Galvanized Flex Hose Coils

    BESTFIT TRUCK PARTS

    $192.99
    8 Inch Diameter Galvanized Flexible Pre-Cut Metal Hose Coils* High Quality Hose Coils* Galvanized* Dimensions:  - 120 Inch Length   - 8 Inch Diameter* Flexible* Pre-Cut Metal Hose Coils* Made In USA*...
    09-080481205
    SKU:
    09-080481205
    Product Type:
    Exhaust
    Finish Options:
    Galvanized
    Length Options:
    120 Inch
    Diameter Options:
    8 Inch
    Make:
    Universal Items
    $192.99
    Qty in Cart: 0
    Price:
    $192.99
    Subtotal:
  • BESTfit 4.5 To 4 Inch ID / OD Exhaust Pipe Reducer

    BESTfit 4.5 To 4 Inch ID / OD Exhaust Pipe Reducer

    BESTFIT TRUCK PARTS

    $63.79
    Pipe Reducer 4 1/2 In ID Reduced to 4 in ID* High Quality Exhaust Pipe Reducer* Made Of Aluminized Steel* 4.5 Inch ID Reduced To 4 Inch OD* Made In USA* Sold Individually* Warranty On Exhaust Pipe...
    09-08010352
    SKU:
    09-08010352
    Product Type:
    Exhaust
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    $63.79
    Qty in Cart: 0
    Price:
    $63.79
    Subtotal:
  • BESTfit 4 Inch Polished Stainless Band Exhaust Clamp - 1.25 Inch Wide

    BESTfit 4 Inch Polished Stainless Band Exhaust Clamp - 1.25 Inch Wide

    BESTFIT TRUCK PARTS

    $14.99
    Polished Stainless Steel Band Clamp* High Quality Clamp* 430 Stainless Steel* Polished Finish* Dimensions:  - 4 Inch Diameter  - 1.25 Inch Wide Clamp* Made In USA* Sold Individually* Warranty On...
    09-08000023
    SKU:
    09-08000023
    Product Type:
    Exhaust
    Diameter Options:
    4 Inch
    Finish Options:
    Polished
    Width Options:
    1 1/4 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $14.99
    Qty in Cart: 0
    Price:
    $14.99
    Subtotal:
  • BESTfit 9 Inch Diameter Type 1 Muffler With 5 Inch ID / ID

    BESTfit 9 Inch Diameter Type 1 Muffler With 5 Inch ID / ID

    BESTFIT TRUCK PARTS

    $184.99
    Universal Economy Standard Style Muffler* High Quality Muffler* Dimensions:  - 5 Inch Id/ID  - 9 Inch Body Diameter   - 44.5 Inch Body Length   - 51 Inch Overall Length* Made In USA* Sold...
    09-08020052
    SKU:
    09-08020052
    Product Type:
    Exhaust
    Diameter Options:
    5 Inch
    Length Options:
    51 Inch
    Make:
    Universal Items
    $184.99
    Qty in Cart: 0
    Price:
    $184.99
    Subtotal:
  • BESTfit 4 To 2.5 Inch OD / ID Aluminized Exhaust Reducer Pipe

    BESTfit 4 To 2.5 Inch OD / ID Aluminized Exhaust Reducer Pipe

    BESTFIT TRUCK PARTS

    $31.00
    Heavy Duty OD to ID Reducer* High Quality Exhaust Pipe Reducer* Made Of Aluminized Steel* 4 Inch OD To 2.5 Inch ID* 8 Inch Height* Made In USA* Sold Individually* Warranty On Exhaust Pipe Reducers...
    09-08011711
    SKU:
    09-08011711
    Product Type:
    Exhaust
    Height Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $31.00
    Qty in Cart: 0
    Price:
    $31.00
    Subtotal:
  • Red 4 Trumpet Stacked Train Horn

    Red 4 Trumpet Stacked Train Horn

    AFTERMARKET

    $1,019.99
    4 Trumpet Red Authentic Train Horn* High Quality Train Horn* Made Of Textured Cast Aluminum* Red Powder Coated* Four Heavy Duty Trumpets  - 15.5 Inch Trumpet  - 12.0 Inch Trumpet  - 9.50 Inch Trumpet...
    09-051359
    SKU:
    09-051359
    Width Options:
    24 Inch
    Height Options:
    9 Inch
    Length Options:
    15 1/2 Inch
    Color:
    Red
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $1,019.99
    Qty in Cart: 0
    Price:
    $1,019.99
    Subtotal:
  • BESTfit 5 OD X 28 Inch Chrome 3 Bend Miter Top Exhaust Stack For Dump Truck

    BESTfit 5 OD X 28 Inch Chrome 3 Bend Miter Top Exhaust Stack For Dump Truck

    BESTFIT TRUCK PARTS

    $418.99
    3 Bend Dump Truck StackLooking for dump truck exhaust stacks? This BESTfit 5-inch chrome exhaust stack gives your truck that perfect custom look. It features a clean miter cut top with a smooth...
    09-08010303
    SKU:
    09-08010303
    Product Type:
    Exhaust
    Diameter Options:
    5 Inch
    Finish Options:
    Chrome-Plated
    Style Options:
    Miter Cut
    Make:
    Universal Items
    $418.99
    Qty in Cart: 0
    Price:
    $418.99
    Subtotal:
  • 8 5/8 Inch Medium Chrome Chicken Mud Flap Cutout - Left Facing

    8 5/8 Inch Medium Chrome Chicken Mud Flap Cutout - Left Facing

    GRAND GENERAL

    $9.08
    Stud Mount Chicken Left Facing Mud Flap Cut Out* High Quality Mud Flap Cutout* Chicken Cutout* Medium Facing Left Studs On Back* Sold Individually* Warranty On Mud Flap Cutouts Against Defects In...
    09-0507403
    SKU:
    09-0507403
    Product Type:
    Interior
    Make:
    Universal Items
    $9.08
    Qty in Cart: 0
    Price:
    $9.08
    Subtotal:
  • BESTfit 5 Inch ID/OD 90 Degree Stainless Steel Elbow Exhaust Pipe 15 X 15 Inch

    BESTfit 5 Inch ID/OD 90 Degree Stainless Steel Elbow Exhaust Pipe 15 X 15 Inch

    BESTFIT TRUCK PARTS

    $179.99
    5 Inch ID / OD Diameter 90 Degree Elbow Pipe* High Quality Elbow Pipe* Stainless Steel* 5 In I.D/O.D Diameter* 90 Degree* Made In USA* Sold Individually* Warranty On Elbow Pipes Against Defects In...
    09-08011712
    SKU:
    09-08011712
    Product Type:
    Exhaust
    Degree Options:
    90
    Diameter Options:
    5 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $179.99
    Qty in Cart: 0
    Price:
    $179.99
    Subtotal:
  • BESTfit 3 Inch Preformed Stainless Lap Joint Exhaust Clamp

    BESTfit 3 Inch Preformed Stainless Lap Joint Exhaust Clamp

    BESTFIT TRUCK PARTS

    $17.99
    Flexible Wide Band Exhaust Clamp - Joins ID & OD PipeThis 360-degree sealing wide-band lap-joint exhaust clamp connects pipes and mufflers securely for a leak free seal. Pre-assembled design...
    09-08000178
    SKU:
    09-08000178
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Width Options:
    3 Inch
    Make:
    Universal Items
    $17.99
    Qty in Cart: 0
    Price:
    $17.99
    Subtotal:
  • 2 X 24 Top Flap Accent Trim With Hardware And Angle Mount Brackets

    2 X 24 Top Flap Accent Trim With Hardware And Angle Mount Brackets

    ROADWORKS

    $59.99
    Top Flap Accent Trim* High Quality Accent Trim* 2 Inch x 24 Inch* Top Flat Style* With Angle Mount Brackets* Hardware (Included)* Sold Individually* Warranty On Accent Trims Against Defects In...
    09-0507205
    SKU:
    09-0507205
    Width Options:
    2 Inch
    Product Type:
    Mud Flaps
    Length Options:
    24 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    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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