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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
  • Power Steering Pump Replaces EV221609L101, EV221609L10101, 137114

    Power Steering Pump Replaces EV221609L101, EV221609L10101, 137114

    AFTERMARKET

    $458.99
    EV Type Power Steering PumpReplaces EV221609L101, EV221609L10101, 137114Keep your truck's steering system operating at peak performance with this TRW-EV Type Power Steering Pump. Replacing...
    29-07120037
    SKU:
    29-07120037
    Material Options:
    Aluminum
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $458.99
    Qty in Cart: 0
    Price:
    $458.99
    Subtotal:
  • Water Pump For Detroit Diesel 50 Series 8.5L Engines & Detroit Diesel 60 Series 11.1L & 12.7L Engines

    Water Pump For Detroit Diesel 50 Series 8.5L Engines & Detroit Diesel 60 Series 11.1L & 12.7L Engines

    AFTERMARKET

    $331.99
    Water Pump Replaces 23526039. 46002HDProtect your Detroit Diesel engine from overheating with this high-performance water pump, built for Series 50 8.5L and Series 60 11.1L & 12.7L engines. Featuring...
    29-07120039
    SKU:
    29-07120039
    Material Options:
    Cast Iron
    Style Options:
    Detroit
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $331.99
    Qty in Cart: 0
    Price:
    $331.99
    Subtotal:
  • Power Steering Pump Replaces RP221615A. RP221615AX. PS251615R114

    Power Steering Pump Replaces RP221615A. RP221615AX. PS251615R114

    AFTERMARKET

    $479.99
    Power Steering Pump- PS Type* High Quality Power Steering Pump* TRW-PS Type* 25 CC Displacement* 4.23 GPM* 2175 PSI* RH CW Rotation* 11 Tooth* 18 Degree Offset* (1) 1/16 - 12 UN-2B Inlet Port (Right...
    29-07120027
    SKU:
    29-07120027
    Product Type:
    Engine Parts
    Material Options:
    Aluminum
    Make:
    Universal Items
    $479.99
    Qty in Cart: 0
    Price:
    $479.99
    Subtotal:
  • Power Steering Pump- PS Type Replaces RP221601. RP221601X. PS221615R103

    Power Steering Pump- PS Type Replaces RP221601. RP221601X. PS221615R103

    AFTERMARKET

    $479.99
    PS Type Power Steering PumpMaintain full steering control with this TRW-PS Type Power Steering Pump, engineered for trucks needing RP221601, RP221601X, or PS221615R103 replacements. With 22 CC...
    29-07120029
    SKU:
    29-07120029
    Material Options:
    Aluminum
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $479.99
    Qty in Cart: 0
    Price:
    $479.99
    Subtotal:
  • 2 Piece Clutch Brake Replaces 127200X, 1091467

    2 Piece Clutch Brake Replaces 127200X, 1091467

    AUTOMANN USA

    $40.80
    2 Piece Clutch Brake- 2 Inch Torque Limit* High Quality Clutch Brake* 2 Inch Torque Limit* 2 Pieces* 2.00 Inch Inner Diameter* 4.50 Inch Outer Diameter* 0.38 Inch Width* Sold Individually* Warranty...
    29-07050016
    SKU:
    29-07050016
    Diameter Options:
    4 1/2 Inch
    Product Type:
    Engine Parts
    Width Options:
    1/4 Inch
    Make:
    Universal Items
    $40.80
    Qty in Cart: 0
    Price:
    $40.80
    Subtotal:
  • Power Steering Pump For Kenworth, Peterbilt

    Power Steering Pump For Kenworth, Peterbilt

    AFTERMARKET

    $468.99
    EV Type Power Steering Pump Replaces RP221607. PEV2216-15R101. EV221615R101Maintain optimal steering control on your Kenworth or Peterbilt with this high-performance Power Steering Pump. Designed for...
    29-07120022
    SKU:
    29-07120022
    Material Options:
    Aluminum
    Product Type:
    Engine Parts
    Make:
    Peterbilt
    Make:
    Kenworth
    $468.99
    Qty in Cart: 0
    Price:
    $468.99
    Subtotal:
  • Water Pump For CAT 3406E Replaces 6I3890, 85107759, 44054HD

    Water Pump For CAT 3406E Replaces 6I3890, 85107759, 44054HD

    AFTERMARKET

    $535.99
    Cast Iron Water Pump For CAT 3406EKeep your CAT 3406E diesel engine performing at its best with this premium replacement water pump, compatible with part numbers 6I3890, 85107759, and 44054HD. The...
    29-07120026
    SKU:
    29-07120026
    Material Options:
    Cast Iron
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $535.99
    Qty in Cart: 0
    Price:
    $535.99
    Subtotal:
  • High Temperature Pilot Bearing Replaces 306VV, 63062RS2, 63062RS2C3, 0212176000

    High Temperature Pilot Bearing Replaces 306VV, 63062RS2, 63062RS2C3, 0212176000

    AUTOMANN USA

    $28.43
    High Temperature Pilot BearingReplace worn pilot bearings with this High Temperature Pilot Bearing, compatible with 306VV, 63062RS2, 63062RS2C3, and 0212176000. Built for extreme heat and constant...
    29-07050008
    SKU:
    29-07050008
    Width Options:
    3/4 Inch
    Diameter Options:
    2 3/4 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $28.43
    Qty in Cart: 0
    Price:
    $28.43
    Subtotal:
  • Differential Pinion Seal Replaces 105445R91. 358922C91. 405368C91. 68536R91. 27KH113. 364SZ136. 88AX126. 88AX198. 88AX209. 88AX255. 88AX318P2. 88AX346P2. 88AX360P2. 88AX464. 475009N

    Differential Pinion Seal Replaces 105445R91. 358922C91. 405368C91. 68536R91. 27KH113. 364SZ136. 88AX126. 88AX198. 88AX209. 88AX255. 88AX318P2. 88AX346P2. 88AX360P2. 88AX464. 475009N

    AUTOMANN USA

    $5.77
    Differential Pinion Seal 2.75 X 3.883 Inch OD* High Quality Pinion Seal* Differential* 2.75 Inch Shaft Diameter* 3.883 Inch Outer Diameter* 0.374 Inch Width* Sold Individually* Warranty On Pinion...
    29-05210006
    SKU:
    29-05210006
    Width Options:
    1/4 Inch
    Diameter Options:
    3 1/2 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $5.77
    Qty in Cart: 0
    Price:
    $5.77
    Subtotal:
  • Clutch Brake Replaces 127760X, 797700C1, 8070265

    Clutch Brake Replaces 127760X, 797700C1, 8070265

    AUTOMANN USA

    $27.34
    Clutch Brake- 2 Inch Torque Limit* High Quality Clutch Brake* 2 Inch Torque Limit* 2.00 Inch Inner Diameter* 4.81 Inch Outer Diameter* 0.44 Inch Width* Sold Individually* Warranty On Clutch Brakes...
    29-07050015
    SKU:
    29-07050015
    Product Type:
    Engine Parts
    Diameter Options:
    4 3/4 Inch
    Width Options:
    1/2 Inch
    Make:
    Universal Items
    $27.34
    Qty in Cart: 0
    Price:
    $27.34
    Subtotal:
  • Air Spring Rolling Lobe Replaces 9370, 1R12-580, 64383, AB1DK23N-9370, W01-358-9370 For Watson & Chalin Lift Suspension, Trailer Suspension

    Air Spring Rolling Lobe Replaces 9370, 1R12-580, 64383, AB1DK23N-9370, W01-358-9370 For Watson & Chalin Lift Suspension, Trailer Suspension

    AFTERMARKET

    $177.99
    Rolling Lobe Air Spring For Watson & Chalin Lift and Trailer SuspensionExperience superior suspension support with the Econoride Air Spring Rolling Lobe, built for Watson & Chalin lift suspensions...
    29-05200018
    SKU:
    29-05200018
    Diameter Options:
    9 Inch
    Material Options:
    Plastic/Poly
    Style Options:
    Rolling Lobe
    Height Options:
    18 Inch
    Product Type:
    Frame & Chassis
    Make:
    Trailer
    Make:
    Universal Items
    $177.99
    Qty in Cart: 0
    Price:
    $177.99
    Subtotal:
  • Pinion Seal Replaces 30148. NA710008. 1651281C91. 464244C1. 464244C2. 710008. 4330148

    Pinion Seal Replaces 30148. NA710008. 1651281C91. 464244C1. 464244C2. 710008. 4330148

    AUTOMANN USA

    $21.96
    Pinion Seal 3.90 Bore Diameter X 6.25 Inch* High Quality Pinion Seal* 3.900 Inch Bore Diameter* 2.937 Inch Shaft Diameter* 6.250 Inch Outer Diameter* Sold Individually* Warranty On Pinion Seals...
    29-05210002
    SKU:
    29-05210002
    Product Type:
    Frame & Chassis
    Diameter Options:
    6 1/4 Inch
    Make:
    Universal Items
    $21.96
    Qty in Cart: 0
    Price:
    $21.96
    Subtotal:
  • Double Convoluted Air Spring Replaces FD 200-25 428. . SC2127. S8701. W01-358-6947 1003586947C. 2B9255. 2B9258. 3546947. 57006947. 578923206 For Henrickson Trailer, Ridewell Suspension

    Double Convoluted Air Spring Replaces FD 200-25 428. . SC2127. S8701. W01-358-6947 1003586947C. 2B9255. 2B9258. 3546947. 57006947. 578923206 For Henrickson Trailer, Ridewell Suspension

    AUTOMANN USA

    $141.99
    Double Convoluted Air Spring For Hendrickson Trailer & Ridewell Suspension* High Quality Air Spring* Continental Brand* Double Convoluted* Load At 80 PSI - 2750 Lbs* Load At 100 PSI - 3450 Lbs*...
    29-0510113
    SKU:
    29-0510113
    Height Options:
    10 Inch
    Product Type:
    Frame & Chassis
    Material Options:
    Plastic/Poly
    Diameter Options:
    6 1/4 Inch
    Style Options:
    Double Convolute
    Make:
    Universal Items
    $141.99
    Qty in Cart: 0
    Price:
    $141.99
    Subtotal:
  • Air Spring Rolling Lobe Replaces 9321, 1R12-335, 64715, AB1DK23N-9321 For Hendrickson Turner Lift, Watson & Chalin Lift Suspension

    Air Spring Rolling Lobe Replaces 9321, 1R12-335, 64715, AB1DK23N-9321 For Hendrickson Turner Lift, Watson & Chalin Lift Suspension

    AFTERMARKET

    $202.99
    Rolling Lobe Air Spring For Hendrickson Turner and Watson & Chalin Lift Axle Suspension* High Quality Air Spring*Econoride Brand* Rolling Lobe* Includes: - (2) Top Plate Holes - (4) Bottom Plate...
    29-05200019
    SKU:
    29-05200019
    Style Options:
    Rolling Lobe
    Material Options:
    Plastic/Poly
    Diameter Options:
    9 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $202.99
    Qty in Cart: 0
    Price:
    $202.99
    Subtotal:
  • Double Convoluted Air Spring Replaces 70658. FD 200-19 894. 1002B09614G For Ridewell Suspension

    Double Convoluted Air Spring Replaces 70658. FD 200-19 894. 1002B09614G For Ridewell Suspension

    AFTERMARKET

    $195.99
    Double Convoluted Air Spring For Ridewell Suspension* High Quality Air Spring* Continental Brand* Double Convoluted* Load At 80 PSI - 2560 Lbs* Load At 100 PSI - 3200 Lbs* Natural Frequency 108 CPM...
    29-05200002
    SKU:
    29-05200002
    Height Options:
    8 Inch
    Product Type:
    Frame & Chassis
    Material Options:
    Plastic/Poly
    Diameter Options:
    6 1/4 Inch
    Style Options:
    Double Convolute
    Make:
    Universal Items
    $195.99
    Qty in Cart: 0
    Price:
    $195.99
    Subtotal:
  • Differential Pinion Seal Replaces 119429. 210737. 29380. 596310C91

    Differential Pinion Seal Replaces 119429. 210737. 29380. 596310C91

    AUTOMANN USA

    $33.73
    Differential Pinion Seal 3.00 X 4.015 Inch OD* High Quality Pinion Seal* Differential* 3.00 Inch Shaft Diameter* 4.015 Inch Outer Diameter* 0.937 Inch Width* Sold Individually* Warranty On Pinion...
    29-05210005
    SKU:
    29-05210005
    Product Type:
    Frame & Chassis
    Width Options:
    1 Inch
    Diameter Options:
    4 Inch
    Make:
    Universal Items
    $33.73
    Qty in Cart: 0
    Price:
    $33.73
    Subtotal:
  • Brake Liner 20K With 6.00 Inch Shoe Width For Meritor Drive/Steer Axle

    Brake Liner 20K With 6.00 Inch Shoe Width For Meritor Drive/Steer Axle

    AFTERMARKET

    $71.99
    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* 16.50 Inch Drum Diameter* 6.00...
    29-05170017
    SKU:
    29-05170017
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • King Thrust Pin Bearing Replaces R001620 , 1275113 , A1228D1356

    King Thrust Pin Bearing Replaces R001620 , 1275113 , A1228D1356

    AUTOMANN USA

    $32.15
    King Thrust Pin Bearing- 1.813 ID, 3.281 OD & 0.687 Inch Width* High Quality King Thrust Pin Bearing* 1.813 Inch Inner Diameter* 3.281 Inch Outer Diameter* 0.687 Inch Width* Sold Individually*...
    29-05200013
    SKU:
    29-05200013
    Product Type:
    Frame & Chassis
    Diameter Options:
    3 Inch
    Shape Options:
    Round
    Width Options:
    5/8 Inch
    Make:
    Universal Items
    $32.15
    Qty in Cart: 0
    Price:
    $32.15
    Subtotal:
  • Air Spring Rolling Lobe Replaces 68675. 9 9-12 P 937. W01-358-9584. W01-675-9584. W01-675-9613. 905-57-224. 905-57-250. 905-57-411 For SAF Holland/Neway Suspension

    Air Spring Rolling Lobe Replaces 68675. 9 9-12 P 937. W01-358-9584. W01-675-9584. W01-675-9613. 905-57-224. 905-57-250. 905-57-411 For SAF Holland/Neway Suspension

    AFTERMARKET

    $229.99
    Rolling Lobe Air Spring With Plastic Base- 2 Top Plate Holes & 1 Bottom Plate HolesBoost your truck's suspension durability with the Rolling Lobe Air Spring, engineered for SAF Holland/Neway systems...
    29-05100297
    SKU:
    29-05100297
    Diameter Options:
    9 Inch
    Height Options:
    8 Inch
    Style Options:
    Rolling Lobe
    Material Options:
    Plastic/Poly
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $229.99
    Qty in Cart: 0
    Price:
    $229.99
    Subtotal:
  • Air Spring Rolling Lobe Replaces 9459. A2258U1451. 1003589459C For Meritor, Ridewell Suspension

    Air Spring Rolling Lobe Replaces 9459. A2258U1451. 1003589459C For Meritor, Ridewell Suspension

    AFTERMARKET

    $173.99
    Air Spring Rolling Lobe With Plastic Base - 2 Top Plate Holes & 1 Bottom Plate Holes* High Quality Air Spring* Automann Phoenix Brand* Rolling Lobe* Load At 80 PSI - 5100 Lbs* Load At 100 PSI - 6400...
    29-05100280
    SKU:
    29-05100280
    Height Options:
    8 Inch
    Material Options:
    Plastic/Poly
    Product Type:
    Frame & Chassis
    Diameter Options:
    9 Inch
    Style Options:
    Rolling Lobe
    Make:
    Universal Items
    $173.99
    Qty in Cart: 0
    Price:
    $173.99
    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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