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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
  • Drag Link 17.5 Inch C To C Replaces J206004003 For Kenworth, Peterbilt

    Drag Link 17.5 Inch C To C Replaces J206004003 For Kenworth, Peterbilt

    AFTERMARKET

    $278.99
    17.5 Inch C To C Drag Link Replaces J206004003, J20-6004-003, L24VU8482A11, L24VU8482A11LRestore smooth and precise steering in your Kenworth or Peterbilt with the 17.5-inch C to C Drag Link...
    29-05090090
    SKU:
    29-05090090
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    17 1/2 Inch
    Product Type:
    Frame & Chassis
    $278.99
    Qty in Cart: 0
    Price:
    $278.99
    Subtotal:
  • End Beam Bushing 5-3/4 Inch - D402, E9512, 45900P For Hendrickson

    End Beam Bushing 5-3/4 Inch - D402, E9512, 45900P For Hendrickson

    AFTERMARKET

    $82.99
    End Beam Bushing 2-1/2 ID x 4-3/8 OD x 5-3/4 Inch W/ 4-1/4in Sleeve* High Quality End Beam Bushing* Poly* Dimensions: - 2-1/2 Inch ID  - 4-3/8 Inch OD - 5-3/4 Inch Length* With 4 1/4 Inch Sleeve* 70...
    29-05100022
    SKU:
    29-05100022
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Diameter Options:
    2 1/2 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Length Options:
    5 3/4 Inch
    $82.99
    Qty in Cart: 0
    Price:
    $82.99
    Subtotal:
  • Cross Tube 1.0 Inch-16 ID X 1.25 Inch OD X 52.25 Inch - A3102G1957

    Cross Tube 1.0 Inch-16 ID X 1.25 Inch OD X 52.25 Inch - A3102G1957

    AFTERMARKET

    $171.99
    52.25 Inch Cross Tube Replaces A3102G1957* High Quality Cross Tube* 52.25 Inch* 1.25 Inch OD* 1.0 Inch-16 ID* Made In USA* Sold Individually* Warranty On Cross Tubes Against Defects In Workmanship &...
    29-05090095
    SKU:
    29-05090095
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    52 1/4 Inch
    Product Type:
    Frame & Chassis
    $171.99
    Qty in Cart: 0
    Price:
    $171.99
    Subtotal:
  • Cross Tube 1.75 Inch OD X 56.125 Inch W/ 1-1/4 Inch-12 ID Ends - A3102T2802

    Cross Tube 1.75 Inch OD X 56.125 Inch W/ 1-1/4 Inch-12 ID Ends - A3102T2802

    AFTERMARKET

    $244.99
    Cross Tube Replaces A3102T2802 And 971463* High Quality Cross Tube* 56.125 Inch* 1.75 Inch OD* 1-1/4 Inch-12 ID* Made In USA* Sold Individually* Warranty On Cross Tubes Against Defects In Workmanship...
    29-05090099
    SKU:
    29-05090099
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    56 Inch
    Product Type:
    Frame & Chassis
    $244.99
    Qty in Cart: 0
    Price:
    $244.99
    Subtotal:
  • Cross Tube Assembly- 66.9 Inch For Ford, Freightliner, International, Kenworth & Peterbilt

    Cross Tube Assembly- 66.9 Inch For Ford, Freightliner, International, Kenworth & Peterbilt

    AFTERMARKET

    $257.99
    66.9 Inch Cross Tube Assembly Replaces 100Tr1111X, 120Tr1051, 815326, 815326, 815327, 816711, 817020, Etn815326Keep your heavy-duty truck performing at its best with the 66.9 Inch Cross Tube...
    29-05090089
    SKU:
    29-05090089
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    60 Inch
    Product Type:
    Frame & Chassis
    $257.99
    Qty in Cart: 0
    Price:
    $257.99
    Subtotal:
  • Cross Tube Assembly 1-1/8 Inch-12 X 1.660 OD X 62.00 Inch Replaces 120TR134

    Cross Tube Assembly 1-1/8 Inch-12 X 1.660 OD X 62.00 Inch Replaces 120TR134

    AFTERMARKET

    $242.99
    62.00 Inch Cross Tube Assembly Replaces 1699483C91, 2586473C91, 4C4Z3280ABTake control of your truck's steering system with the Cross Tube Assembly 1-1/8 Inch-12 X 1.660 OD X 62.00 Inch. Complete...
    29-05090092
    SKU:
    29-05090092
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    62 Inch
    Product Type:
    Frame & Chassis
    $242.99
    Qty in Cart: 0
    Price:
    $242.99
    Subtotal:
  • Drag Link 31 Inch C To C Replaces J20-6011, L24VU8595A11, L24VU8595A11L For Kenworth, Peterbilt

    Drag Link 31 Inch C To C Replaces J20-6011, L24VU8595A11, L24VU8595A11L For Kenworth, Peterbilt

    AUTOMANN USA

    $186.99
    31 Inch C To C Drag Link Replaces J20-6011, L24VU8595A11, L24VU8595A11LProtect your steering system with this 31 Inch Drag Link, built for Kenworth and Peterbilt trucks. The C to C length of 31...
    29-05090088
    SKU:
    29-05090088
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    31 Inch
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $186.99
    Qty in Cart: 0
    Price:
    $186.99
    Subtotal:
  • Nut 1.50 Inch-6 TPI Grade 2 - 1154410B102 For Ridewell

    Nut 1.50 Inch-6 TPI Grade 2 - 1154410B102 For Ridewell

    AUTOMANN USA

    $13.70
    1.50 Inch-6 TPI Nut* High Quality Nut* 1.29 Inch Height* Threads: 1.50 Inch-6 TPI* Sold Individually* Warranty On Nuts Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    19-05180123
    SKU:
    19-05180123
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Trailer
    Product Type:
    Frame & Chassis
    $13.70
    Qty in Cart: 0
    Price:
    $13.70
    Subtotal:
  • Flanged Lock Nut 07/16 Inch- 20 TPI Grade C

    Flanged Lock Nut 07/16 Inch- 20 TPI Grade C

    AUTOMANN USA

    $0.90
    Flanged Lock Nut With 07/16 Inch- 20 Threads* High Quality Flanged Lock Nut* A/F- 0.656 Inch* Threads: 07/16 Inch- 20* Sold Individually* Warranty On Flanged Lock Nuts Against Defects In Workmanship...
    09-05250032
    SKU:
    09-05250032
    Material Options:
    Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $0.90
    Qty in Cart: 0
    Price:
    $0.90
    Subtotal:
  • Jam Nut 5/8 Inch - 18 TPI

    Jam Nut 5/8 Inch - 18 TPI

    AUTOMANN USA

    $0.47
    15/16 Inch Thick Jam Nut* High Quality Jam Nut* W.A.F.- 15/16 Inch* Thickness- 3/8 Inch* Threads: 5/8 Inch- 18* Sold Individually* Warranty On Jam Nuts Against Defects In Workmanship & Material From...
    09-05250026
    SKU:
    09-05250026
    Material Options:
    Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $0.47
    Qty in Cart: 0
    Price:
    $0.47
    Subtotal:
  • Grease Fitting 1/8in 27 NPT - Straight

    Grease Fitting 1/8in 27 NPT - Straight

    AUTOMANN USA

    $0.45
    1/8 Inch 27 NPT Straight 5/8 Inch Long Grease Zerk Fitting* High Quality Grease Fitting* 5/8 Inch Length* Thread: 1/8 Inch- 27 NPT * Sold Individually* Warranty On Grease Fittings Against Defects In...
    09-059904
    SKU:
    09-059904
    Truck Class:
    Universal
    Material Options:
    Bronze
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $0.45
    Qty in Cart: 0
    Price:
    $0.45
    Subtotal:
  • On Sale
    Limited Quantity Available
    Flanged Lock Nut 1/2 Inch- 20 TPI

    Flanged Lock Nut 1/2 Inch- 20 TPI

    AUTOMANN USA

    Now: $0.18
    Was: $0.94
    Flanged Lock Nut Replaces 8397200, 10048004, W300305, 231102008, 23-1102008, And 414087C1* High Quality Flanged Lock Nut* 0.50 Inch Height* 0.750 Inch A/F* Threads: 1/2 Inch- 20 TPI* Sold...
    09-05250031
    SKU:
    09-05250031
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    Now: $0.18
    Was: $0.94
    Qty in Cart: 0
    Price:
    Now: $0.18
    Was: $0.94
    Subtotal:
  • Torque Rod Bolt Kit 5/8 Inch - Sa2206

    Torque Rod Bolt Kit 5/8 Inch - Sa2206

    AUTOMANN USA

    $6.92
    Torque Rod Bolt Kit Replaces SA2206* High Quality Torque Rod Bolt Kit * Consists Of  - (1) Shackle Bolt - (1) U Bolt Washer 5/8 Inch  - (1) Lock Nut 5/8 Inch* Sold Individually* Warranty On Torque...
    09-05250056
    SKU:
    09-05250056
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $6.92
    Qty in Cart: 0
    Price:
    $6.92
    Subtotal:
  • Poly Fifth Wheel Bushing Kit Replaces E-9569, RL04413 For SAF Holland/Neway

    Poly Fifth Wheel Bushing Kit Replaces E-9569, RL04413 For SAF Holland/Neway

    AFTERMARKET

    $87.99
    Holland 5th Wheel Poly Bushing KitKeep your SAF Holland or Neway fifth wheel running smoothly with this Poly Fifth Wheel Bushing Kit, replacing OEM parts E-9569 and RL04413. This complete kit...
    09-05110025
    SKU:
    09-05110025
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $87.99
    Qty in Cart: 0
    Price:
    $87.99
    Subtotal:
  • Flanged Lock 5/8 In -18 TPI

    Flanged Lock 5/8 In -18 TPI

    AUTOMANN USA

    $1.21
    Flanged Lock Nut Replaces 10008001, 414089C1, R303793Achieve reliable, vibration-resistant connections with the Flanged Lock 5/8 In -18 TPI. Built for truck applications, this flanged lock nut...
    09-05250030
    SKU:
    09-05250030
    Material Options:
    Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $1.21
    Qty in Cart: 0
    Price:
    $1.21
    Subtotal:
  • Poly Fifth Wheel Bushing 2.8 OD X 2 ID X 4 Inch - SK290594, SK290595 For Jost

    Poly Fifth Wheel Bushing 2.8 OD X 2 ID X 4 Inch - SK290594, SK290595 For Jost

    AUTOMANN USA

    $17.34
    Jost Fifth Wheel Polly Bushing Replaces SK290594 And SK290595* High Quality Fifth Wheel Bushing* Poly* Dimensions: - 4.00 Inch Length - 2.80 Inch OD - 2.00 Inch ID* Sold Individually* Warranty On...
    09-05110024
    SKU:
    09-05110024
    Material Options:
    Plastic/Poly
    Truck Class:
    Universal
    Length Options:
    4 Inch
    Diameter Options:
    2 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $17.34
    Qty in Cart: 0
    Price:
    $17.34
    Subtotal:
  • Lock Nut 3/4 Inch-16 Grade C

    Lock Nut 3/4 Inch-16 Grade C

    AUTOMANN USA

    $1.80
    Grade C 3/4 Inch-16 Lock Nut* High Quality Lock Nut* 1.106 Inch A/F* 0.63 Inch Height* Thread: 3/4 Inch-16* Sold Individually* Warranty On Lock Nuts Against Defects In Workmanship & Material From...
    09-05250047
    SKU:
    09-05250047
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $1.80
    Qty in Cart: 0
    Price:
    $1.80
    Subtotal:
  • Jam Nut 3/8 Inch-16 TPI

    Jam Nut 3/8 Inch-16 TPI

    AUTOMANN USA

    $0.19
    7/32 Inch Thick Jam Nut* High Quality Jam Nut* W.A.F.- 9/16 Inch* Thickness 7/32 Inch * Threads: 3/8 Inch- 16* Sold Individually* Warranty On Jam Nuts Against Defects In Workmanship & Material From...
    09-05250027
    SKU:
    09-05250027
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $0.19
    Qty in Cart: 0
    Price:
    $0.19
    Subtotal:
  • Cross Tube 2.5 OD X 53 Inch - 3453311

    Cross Tube 2.5 OD X 53 Inch - 3453311

    AFTERMARKET

    $501.99
    53 Inch Cross Tube Replaces 3453311* High Quality Cross Tube* Dimensions: - 2.50 Inch OD  - 53.0 Inch Overall Length* Driver Side* End 1-1/4 Inch-12 Right Hand Thread * End 2-5/8 Inch-12 Left Hand...
    09-05090024
    SKU:
    09-05090024
    Material Options:
    Steel
    Length Options:
    53 Inch
    Diameter Options:
    2 1/2 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $501.99
    Qty in Cart: 0
    Price:
    $501.99
    Subtotal:
  • Shackle Side Bar Type 13, 4 Inch W/ Curved Offset - K20993 For Kenworth

    Shackle Side Bar Type 13, 4 Inch W/ Curved Offset - K20993 For Kenworth

    AFTERMARKET

    $194.99
    Kenworth 4 Inch C To C Type 13 Side Bar W/ Curved Offset Replaces K209-93This Side bar for Kenworth models features a curved offset and measures 4.00 inches from center to center with a hole size of...
    02-05090018
    SKU:
    02-05090018
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    6 5/8 Inch
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $194.99
    Qty in Cart: 0
    Price:
    $194.99
    Subtotal:
  • Total: items /

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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