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Kenworth Frame & Chassis

Reinforce your Kenworth's core with 4 State Trucks' superior Kenworth semi truck frame and chassis components. Count on us for high-grade Kenworth frame and chassis parts that boost structural integrity and durability, guaranteeing your rig handles every payload with unwavering stability. From critical replacements to performance-enhancing upgrades, our parts ensure your Kenworth semi truck's foundation remains rock-solid, making each journey safer and more dependable. Choose 4 State Trucks to fortify your Kenworth's backbone, providing the sturdy base needed for optimal performance and longevity. Whether you're navigating city streets or conquering long-haul routes, our frame and chassis components give you the confidence to tackle any challenge, load after load.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Steering Input Seal Kit Replaces 2502017C91

    Steering Input Seal Kit Replaces 2502017C91

    AUTOMANN USA

    $33.37
    Steering Input Seal Kit with Seals and Grease TubeKeep your vehicle's steering responsive and leak-free with the Steering Input Seal Kit. Includes one input seal, one retainer ring, three dirt seals,...
    29-05090053
    SKU:
    29-05090053
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $33.37
    Qty in Cart: 0
    Price:
    $33.37
    Subtotal:
  • Cross Tube 1-7/8 -12 ID X 2.5 OD X 49 Inch - 220Tr120

    Cross Tube 1-7/8 -12 ID X 2.5 OD X 49 Inch - 220Tr120

    AFTERMARKET

    $365.99
    Cross Tube Replaces 220TR120* High Quality Cross Tube* Dimensions: - 1-7/8 Inch-12 ID  - 2.5 Inch OD  - 49.00 Inch Overall Length* 3/8 Inch Thick Wall* Made In USA * Sold Individually* Warranty On...
    29-05090049
    SKU:
    29-05090049
    Material Options:
    Steel
    Length Options:
    49 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $365.99
    Qty in Cart: 0
    Price:
    $365.99
    Subtotal:
  • Cross Tube 1-1/4 ID -12 X 2 OD X 60 Inch - 818820

    Cross Tube 1-1/4 ID -12 X 2 OD X 60 Inch - 818820

    AFTERMARKET

    $186.99
    Cross Tube Replaces 818820* High Quality Cross Tube* Dimensions: - 1-1/4 Inch-12 ID - 2.00 Inch OD  - 60.00 Inch Length* Made In USA * Sold Individually* Warranty On Cross Tubes Against Defects In...
    29-05090048
    SKU:
    29-05090048
    Material Options:
    Steel
    Length Options:
    60 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $186.99
    Qty in Cart: 0
    Price:
    $186.99
    Subtotal:
  • Steering Tie Rod End 1-1/4 Inch-12 OD For Anti-Tilt Adapter Replaces 1697839C91

    Steering Tie Rod End 1-1/4 Inch-12 OD For Anti-Tilt Adapter Replaces 1697839C91

    AFTERMARKET

    $104.99
    Steering Tie Rod End 1-1/4 Inch-12 ODImprove your vehicle's steering precision with the Steering Tie Rod End 1-1/4 Inch-12 OD for Anti-Tilt Adapter, replacing 1697839C91. Engineered with a right-hand...
    29-05090039
    SKU:
    29-05090039
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • Steering Tie Rod End 1-1/8-12 Driver Side - 12548107

    Steering Tie Rod End 1-1/8-12 Driver Side - 12548107

    AFTERMARKET

    $86.99
    Driver Side Steering Tie Rod End 1-1/8-12 Replaces 12548107* High Quality Tie Rod End* Height Of Taper- 2.421 Inch* 5.44 In C To End* 1-1/8-12 In Stud* Taper Minor Diameter- 1.038 Inch* Taper Major...
    29-05090074
    SKU:
    29-05090074
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $86.99
    Qty in Cart: 0
    Price:
    $86.99
    Subtotal:
  • Steering Tie Rod End 1-1/8-12 Passenger Side - 00128176

    Steering Tie Rod End 1-1/8-12 Passenger Side - 00128176

    AFTERMARKET

    $77.99
    Passenger Side Steering Tie Rod End 1-1/8-12 Replaces 00128176* High Quality Tie Rod End* Height Of Taper- 2.382 Inch * 6.00 In C To End* 1-1/8-12 In Stud* Taper Minor Diameter- 0.967 Inch* Taper...
    29-05090070
    SKU:
    29-05090070
    Material Options:
    Steel
    Length Options:
    6 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $77.99
    Qty in Cart: 0
    Price:
    $77.99
    Subtotal:
  • Passenger Side Steering Tie Rod End 1-7/8-12- Replaces 85108889

    Passenger Side Steering Tie Rod End 1-7/8-12- Replaces 85108889

    AFTERMARKET

    $103.99
    Steering Tie Rod End 1-7/8-12- Passenger SideKeep your truck's steering system reliable with this passenger side tie rod end. Compatible with 85108889, it includes a 1-7/8-12 stud, 2.30-inch offset...
    29-05090066
    SKU:
    29-05090066
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Length Options:
    12 5/8 Inch
    Product Type:
    Frame & Chassis
    $103.99
    Qty in Cart: 0
    Price:
    $103.99
    Subtotal:
  • Cross Tube 1-1/8-12 ID X 1.65 OD X 62 Inch - 120Tr134

    Cross Tube 1-1/8-12 ID X 1.65 OD X 62 Inch - 120Tr134

    AFTERMARKET

    $166.99
    62 Inch Cross Tube Replaces 120TR134, 971087, 971089, 971091, 971444, A3102A3459, And L18RT1106A11* High Quality Cross Tube* Dimensions: - 1-1/8 Inch-12 ID  - 1.65 Inch OD  - 62.00 Inch Length* Made...
    29-05090051
    SKU:
    29-05090051
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Length Options:
    62 Inch
    Product Type:
    Frame & Chassis
    $166.99
    Qty in Cart: 0
    Price:
    $166.99
    Subtotal:
  • Round U Bolt Kit 3/4-16 x 4 x 8-3/8 Inch Grade 8

    Round U Bolt Kit 3/4-16 x 4 x 8-3/8 Inch Grade 8

    AUTOMANN USA

    $32.53
    Round Bend 3/4 Inch Diameter U Bolt Kit* High Quality U Bolt Kit * Consists Of  - (2) U-Bolts - (4) U Bolt Washer - (4) Deep Nut* 3/4 Inch-16 * 4.0 Inch Width * 8-3/8 Inch Length* U Bolt Type- Round...
    29-05090045
    SKU:
    29-05090045
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Length Options:
    8 3/4 Inch
    Product Type:
    Frame & Chassis
    $32.53
    Qty in Cart: 0
    Price:
    $32.53
    Subtotal:
  • Cap Screw Bolt 1-1/8in-7 x 8-1/2 Inch Grade 8 Replaces SA100034, S7193

    Cap Screw Bolt 1-1/8in-7 x 8-1/2 Inch Grade 8 Replaces SA100034, S7193

    AUTOMANN USA

    $18.49
    8-1/2 Inch Cap Screw with 1-1/8 Inch- 7 ThreadsReplace worn fasteners with the Cap Screw Bolt - 1-1/8in-7 x 8-1/2 Inch, crafted to Grade 8 specifications for strength and reliability. It features an...
    09-05250046
    SKU:
    09-05250046
    Truck Class:
    Universal
    Length Options:
    8 1/2 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $18.49
    Qty in Cart: 0
    Price:
    $18.49
    Subtotal:
  • Brake Kit For Unlined Brake Shoe - E7242

    Brake Kit For Unlined Brake Shoe - E7242

    AFTERMARKET

    $81.99
    Brake Kit For Unlined Brake Shoe Replaces E7242* High Quality Brake Kit* Dimensions: - 16.50 Inch Drum Diameter - 7 Inch Shoe Width* Kit For 1 Wheel Only* Components Not Available Separately* Made In...
    09-05170163
    SKU:
    09-05170163
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $81.99
    Qty in Cart: 0
    Price:
    $81.99
    Subtotal:
  • Joint Strap Kit Fits 1.188 Inch Bearing Cap - 37028X

    Joint Strap Kit Fits 1.188 Inch Bearing Cap - 37028X

    AUTOMANN USA

    $8.88
    Joint Strap Kit Fits 1.188 Inch Bearing Cap Replaces 37028X* High Quality Joint Strap Kit* 1.188 Inch C/L To C/L* Sold Individually* Warranty On Joint Strap Kits Against Defects In Workmanship &...
    09-05210017
    SKU:
    09-05210017
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $8.88
    Qty in Cart: 0
    Price:
    $8.88
    Subtotal:
  • Lock Joint Strap For SPL Type U-Joint Models - 210498741, 98741

    Lock Joint Strap For SPL Type U-Joint Models - 210498741, 98741

    AUTOMANN USA

    $3.81
    2.312 Inch C To C Joint Lock Strap with 5/16 Inch Bolt Holes* High Quality Joint Lock Strap* Dimensions:  - 3.030 Inch Length   - 2.3 Inch C To C* 2.312 Inch C/L To C/L With 5/16 Inch Bolt Holes *...
    09-05210019
    SKU:
    09-05210019
    Material Options:
    Steel
    Truck Class:
    Universal
    Length Options:
    3 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $3.81
    Qty in Cart: 0
    Price:
    $3.81
    Subtotal:
  • Camshaft Bushing 1.63 ID X 1.88 OD X 1.18 Inch

    Camshaft Bushing 1.63 ID X 1.88 OD X 1.18 Inch

    AUTOMANN USA

    $3.80
    1.63 ID X 1.88 OD X 1.18 Inch Camshaft Bushing* High Quality Camshaft Bushing* Dimensions: - 1.630 Inch ID - 1.88 Inch OD - 1.18 Inch Length* Sold Individually* Warranty On Camshaft Bushings Against...
    09-05170166
    SKU:
    09-05170166
    Material Options:
    Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $3.80
    Qty in Cart: 0
    Price:
    $3.80
    Subtotal:
  • Joint Strap Kit Fits Bearing Cap - KT117, 39418X

    Joint Strap Kit Fits Bearing Cap - KT117, 39418X

    AUTOMANN USA

    $9.24
    Universal Joint Strap Kit Fits Bearing Cap Replaces KT117, 39418X* High Quality Joint Strap Kit* Sold Individually* Warranty On Joint Strap Kits Against Defects In Workmanship & Material From Date Of...
    09-05210012
    SKU:
    09-05210012
    Material Options:
    Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $9.24
    Qty in Cart: 0
    Price:
    $9.24
    Subtotal:
  • Joint Strap Kit Fits 1.375 Inch Bearing Cap - KIT118. 39428X

    Joint Strap Kit Fits 1.375 Inch Bearing Cap - KIT118. 39428X

    AUTOMANN USA

    $12.71
    Joint Strap Kit Fits 1.375 Inch Bearing Cap Replaces KIT118. 39428X* High Quality Joint Strap Kit* 1.914 Inch C/L To C/L* Sold Individually* Warranty On Joint Strap Kits Against Defects In...
    09-05210016
    SKU:
    09-05210016
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $12.71
    Qty in Cart: 0
    Price:
    $12.71
    Subtotal:
  • Brake Kit For Unlined Brake Shoe

    Brake Kit For Unlined Brake Shoe

    AFTERMARKET

    $89.99
    Brake Shoe Hardware Kit* High Quality Brake Kit* Dimensions: - 16.50 Inch Drum Diameter - 7 Inch Shoe Width* Components Not Available Separately* Made In USA * Sold Individually* Warranty On Brake...
    09-05170164
    SKU:
    09-05170164
    Material Options:
    Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $89.99
    Qty in Cart: 0
    Price:
    $89.99
    Subtotal:
  • Air Spring Rolling Lobe - 69656, 9 9-9 P 860 For Kenworth

    Air Spring Rolling Lobe - 69656, 9 9-9 P 860 For Kenworth

    AFTERMARKET

    $257.99
    Air Spring Rolling Lobe* High Quality Air Spring Rolling Lobe* Plastic Base* Top Plate Diameter- 9.00 Inch* Min Height- 3.90 Inch* Max Height- 11.50 Inch* Max Diameter- 11.40 Inch* Load At 80 PSI-...
    02-05100004
    SKU:
    02-05100004
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $257.99
    Qty in Cart: 0
    Price:
    $257.99
    Subtotal:
  • Drag Link 31.25 Inch C To C - L24VU8460A11 For Kenworth T800

    Drag Link 31.25 Inch C To C - L24VU8460A11 For Kenworth T800

    AFTERMARKET

    $315.99
    31.25 Inch C To C Drag Link Replaces L24VU8460A11, L-24-VU-8460-A-11* High Quality Drag Link* 31.25 Inch C To C* 14.50 Inch E To E* Shaft Side Thread- 1-1/8 Inch-12 (Right Hand)* Gender- Male* Made...
    02-05090014
    SKU:
    02-05090014
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Length Options:
    31 1/4 Inch
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $315.99
    Qty in Cart: 0
    Price:
    $315.99
    Subtotal:
  • Lower Steer Shaft Bushing Replaces R131014 For Kenworth T660, T680, T800

    Lower Steer Shaft Bushing Replaces R131014 For Kenworth T660, T680, T800

    AUTOMANN USA

    $41.81
    Kenworth Lower Steer Shaft Bushing Replaces R13-1014Upgrade your truck's steering system with the Lower Steer Shaft Bushing, engineered for the Kenworth T660, T680 and T800. This high-quality bushing...
    02-05090010
    SKU:
    02-05090010
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $41.81
    Qty in Cart: 0
    Price:
    $41.81
    Subtotal:
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Adding your products to cart

Find the premium, aftermarket parts for your Kenworth Frame & Chassis. This category has everything you need for your Kenworth's frame, chassis, and suspension. Find air tanks, shocks, bushings, leaf springs, and more to maintain your truck's structural integrity and smooth ride for models like the T800, W900, and T660. Replacement Parts: Direct-fit OEM replacements for seamless installation. Performance Upgrades: Stiffer leaf springs and adjustable shocks for better handling and weight capacity. Custom Accessories: stainless trim, fender flares, and mud flaps to enhance style and protection. Whether you're doing repairs, boosting performance, or customizing your rig's look, this category has you covered.

Frequently Asked Questions About Kenworth Frame & Chassis

What years and models are compatible with your Kenworth frame and chassis parts?

Our Kenworth frame and chassis components are designed for W900, T800, T880, T680, and T660 models. Most parts fit 1985-current year models, but compatibility varies by specific component. Always check the product description for exact year ranges, or contact our team with your OEM for guaranteed fitment. We maintain detailed compatibility charts for each product to ensure proper installation.

Are these aftermarket or OEM Kenworth frame parts, and what's the quality difference?

We carry both genuine OEM Kenworth parts and high-quality aftermarket alternatives. OEM parts guarantee exact factory specifications and fitment. Our aftermarket options are manufactured to meet or exceed OEM standards, often using upgraded materials like 304 stainless steel instead of mild steel. All aftermarket suppliers are vetted for quality control and many offer lifetime warranties on their products.

What tools and experience level do I need to install frame-mounted accessories?

Most frame-mounted accessories require basic hand tools, a drill with metal bits, and safety equipment. Installation difficulty ranges from simple bolt-on parts (30-60 minutes) to more complex items requiring cutting or welding. Professional installation is recommended for structural modifications or if you lack experience with heavy truck maintenance.

What finish options are available and how do they hold up against road salt and weather?

Common finishes include chrome-plated steel, polished stainless steel, powder-coated steel, and raw steel for custom painting. Stainless steel offers the best corrosion resistance without maintenance. Chrome requires regular cleaning to prevent pitting. Powder coating provides excellent protection when properly applied. For trucks operating in salt-heavy regions, we recommend stainless steel or powder-coated options with zinc primer.

Do frame extensions or modifications affect my truck's warranty or DOT compliance?

Frame modifications can potentially void manufacturer warranties if not performed to factory specifications. Always consult your warranty documentation before making structural changes. For DOT compliance, ensure any modifications maintain proper weight distribution and don't exceed manufacturer GVWR ratings. Frame extensions must be properly reinforced and may require engineering certification in some states. We recommend consulting a certified truck mechanic or frame shop for major modifications.


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