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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.
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  • Drag Link 31 Inch C To C Replaces L24VU8422A11 For Kenworth T600, T660, T700, T2000

    Drag Link 31 Inch C To C Replaces L24VU8422A11 For Kenworth T600, T660, T700, T2000

    AUTOMANN USA

    $257.99
    31 Inch Center To Center Drag Link For KenworthMaintain flawless steering performance with the 31-Inch Drag Link for Kenworth T-series models. Measuring 31 inches center-to-center, it replaces...
    02-050900001
    SKU:
    02-050900001
    Truck Class:
    Heavy Duty
    Length Options:
    31 Inch
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $257.99
    Qty in Cart: 0
    Price:
    $257.99
    Subtotal:
  • Frame Nut Cover Kit For Kenworth T660, T680, T700, T800, W900B, W900L

    Frame Nut Cover Kit For Kenworth T660, T680, T700, T800, W900B, W900L

    LIFETIME NUT COVERS

    $100.99
    Kenworth Frame Nut Cover Kit* High Quality Nut Cover Kit* Includes  - (3) 3/4, 18 Mm  - (50) 15/16, 7/8 Nut Covers  - (4) 15/15, 7/8 Tall Nut Covers* Does 1 Frame Rail* Sold Individually* Warranty On...
    02-050604
    SKU:
    02-050604
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Plastic/Poly
    Make:
    Kenworth
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    $100.99
    Qty in Cart: 0
    Price:
    $100.99
    Subtotal:
  • Frame Nut Cover Kit For Kenworth

    Frame Nut Cover Kit For Kenworth

    LIFETIME NUT COVERS

    $92.99
    Kenworth Frame Nut Cover KitGet a head start on detailing your Kenworth with our Starter Kits. Perfect for beginners or those wrapping up, these kits set you up with the essentials. To cover your...
    02-050603
    SKU:
    02-050603
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Plastic/Poly
    Make:
    Kenworth
    Finish Options:
    Chrome-Plated
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $92.99
    Qty in Cart: 0
    Price:
    $92.99
    Subtotal:
  • Frame Rail Top Hat Style Nut Cover Kit For Kenworth

    Frame Rail Top Hat Style Nut Cover Kit For Kenworth

    LIFETIME NUT COVERS

    $106.99
    Kenworth Nut Cover KitThis quality starter kit comes with 40 hat style nut covers. This is enough covers for one regular sized frame rail. They are chrome plated and fit various Kenworth Models.*...
    02-050602
    SKU:
    02-050602
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Style Options:
    Top Hat
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $106.99
    Qty in Cart: 0
    Price:
    $106.99
    Subtotal:
  • Frame Rail Nut Cover Kit For Kenworth 1998 - 2001

    Frame Rail Nut Cover Kit For Kenworth 1998 - 2001

    LIFETIME NUT COVERS

    $83.99
    Kenworth Frame Rail Nut Cover KitKenworth frame rail nut cover starter kits are an excellent choice if you want to detail your frame but aren't sure how many parts you need. These kits provide a...
    02-050601
    SKU:
    02-050601
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Kenworth
    Finish Options:
    Chrome-Plated
    Product Type:
    Exterior
    $83.99
    Qty in Cart: 0
    Price:
    $83.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Frame Rail Nut Cover Kit For Kenworth 1997 & Older

    Frame Rail Nut Cover Kit For Kenworth 1997 & Older

    LIFETIME NUT COVERS

    $90.99
    Kenworth 1997 and Older Starter KitThe Kenworth Starter Kits are perfect for anyone looking to give their truck frame an awesome upgrade, whether you're a newbie or a seasoned pro. These kits provide...
    02-050600
    SKU:
    02-050600
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Plastic/Poly
    Make:
    Kenworth
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    $90.99
    Qty in Cart: 0
    Price:
    $90.99
    Subtotal:
  • Stainless Steel Front Lower Step Kick Plate For Kenworth T660 - Pair

    Stainless Steel Front Lower Step Kick Plate For Kenworth T660 - Pair

    UNITED PACIFIC

    $126.99
    Kenworth T660 SS Front Lower Step Kick Plates* High Quality Front Lower Step Kick Plate* Made Of 430 Stainless Steel * Attaches Using Supplied Hardware To The Lower Step* Sold As Pair* Warranty On...
    02-05050002
    SKU:
    02-05050002
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $126.99
    Qty in Cart: 0
    Price:
    $126.99
    Subtotal:
  • Stainless Steel Side Step Plate For Kenworth T800, W900B, W900L - Pair

    Stainless Steel Side Step Plate For Kenworth T800, W900B, W900L - Pair

    UNITED PACIFIC

    $285.99
    Kenworth SS Side Step Truck Plate* High Quality Side Step Plate* Made Of Stainless Steel * Sold As Pair* Warranty On Side Step Plate Against Defects In Workmanship & Material From Date Of Purchase***...
    02-05050001
    SKU:
    02-05050001
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $285.99
    Qty in Cart: 0
    Price:
    $285.99
    Subtotal:
  • Shock Bracket Stud Replaces K233-520 For Kenworth T660

    Shock Bracket Stud Replaces K233-520 For Kenworth T660

    AFTERMARKET

    $38.33
    Shock Bracket StudRestore secure shock attachment with the Shock Bracket Stud for Kenworth T660, engineered to replace K233-520. Featuring a 220.50 mm overall length and precision M16 x 2.00 and M20...
    02-050019
    SKU:
    02-050019
    Position:
    Lower
    Length Options:
    8 Inch
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $38.33
    Qty in Cart: 0
    Price:
    $38.33
    Subtotal:
  • FREE SHIPPING OVER $249
    Shock Absorber Replaces R711004 For Kenworth T800

    Shock Absorber Replaces R711004 For Kenworth T800

    AUTOMANN USA

    $57.99
    Shock Absorber Fits Kenworth T800Ensure your Kenworth maintains stable handling with this high-quality shock absorber replacing R711004. Designed for the T800, it features an A83200 design, 1...
    02-050017
    SKU:
    02-050017
    Truck Class:
    Heavy Duty
    Length Options:
    6 Inch
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $57.99
    Qty in Cart: 0
    Price:
    $57.99
    Subtotal:
  • Bulldog HD Rear Shock Absorber Replaces 85056, 89441, 65425 For Kenworth T400

    Bulldog HD Rear Shock Absorber Replaces 85056, 89441, 65425 For Kenworth T400

    BULLDOG HD SHOCKS

    $68.99
    Heavy Duty Shock Absorber Fits Kenworth T400Bulldog HD shocks are fleet tested and approved. This is a premium rear replacement shock reengineered to be better than the factory part that came with...
    02-050000009
    SKU:
    02-050000009
    Truck Class:
    Heavy Duty
    Length Options:
    20 Inch
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $68.99
    Qty in Cart: 0
    Price:
    $68.99
    Subtotal:
  • Bulldog HD Rear Shock Absorber Replaces 1KK552, MTM-60665-011, 671764 For Kenworth T680, T880

    Bulldog HD Rear Shock Absorber Replaces 1KK552, MTM-60665-011, 671764 For Kenworth T680, T880

    BULLDOG HD SHOCKS

    $73.99
    Heavy Duty Shock Absorber Fits Kenworth T680, T880Bulldog HD shocks are fleet tested and approved. This is a premium rear replacement shock reengineered to be better than the factory part that came...
    02-050000008
    SKU:
    02-050000008
    Truck Class:
    Heavy Duty
    Length Options:
    24 Inch
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $73.99
    Qty in Cart: 0
    Price:
    $73.99
    Subtotal:
  • Bulldog HD Front Shock Absorber Replaces 61310478 For Kenworth K300, T170, T270, T370

    Bulldog HD Front Shock Absorber Replaces 61310478 For Kenworth K300, T170, T270, T370

    BULLDOG HD SHOCKS

    $89.99
    Heavy Duty Shock Absorber Fits Kenworth K300, T170, T270 & T370Find premium shock replacements for your truck at 4 State Trucks. We carry these front Bulldog Heavy Duty Shocks, reengineered to last...
    02-050000007
    SKU:
    02-050000007
    Truck Class:
    Heavy Duty
    Length Options:
    25 Inch
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $89.99
    Qty in Cart: 0
    Price:
    $89.99
    Subtotal:
  • Bulldog HD Front Shock Absorber Replaces 14QK-142AP1, 210918R91, E6HZ-18125-D, 5552209 For Kenworth K300

    Bulldog HD Front Shock Absorber Replaces 14QK-142AP1, 210918R91, E6HZ-18125-D, 5552209 For Kenworth K300

    BULLDOG HD SHOCKS

    $58.99
    Heavy Duty Shock Absorber Fits Kenworth K300 1993-2005Find premium shock replacements for your truck at 4 State Trucks. We carry these front Bulldog Heavy Duty Shocks, reengineered to last longer and...
    02-050000006
    SKU:
    02-050000006
    Truck Class:
    Heavy Duty
    Length Options:
    25 Inch
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $58.99
    Qty in Cart: 0
    Price:
    $58.99
    Subtotal:
  • Bulldog HD Rear Shock Absorber Replaces 671963 For Kenworth T680

    Bulldog HD Rear Shock Absorber Replaces 671963 For Kenworth T680

    BULLDOG HD SHOCKS

    $84.99
    Heavy Duty Shock Absorber Fits Kenworth T680 2013-2014Bulldog HD shocks are fleet tested and approved. This is a premium rear replacement shock reengineered to be better than the factory part that...
    02-050000005
    SKU:
    02-050000005
    Truck Class:
    Heavy Duty
    Length Options:
    19 Inch
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $84.99
    Qty in Cart: 0
    Price:
    $84.99
    Subtotal:
  • Bulldog HD Rear Shock Absorber Replaces 671962, C711014 For Kenworth

    Bulldog HD Rear Shock Absorber Replaces 671962, C711014 For Kenworth

    BULLDOG HD SHOCKS

    $89.99
    Bulldog Shock Absorber Fits Kenworth T400A, T600A, T660, T680, T700, T880 & T2000Bulldog HD shocks are fleet tested and approved. This is a premium rear replacement shock reengineered to be better...
    02-050000003
    SKU:
    02-050000003
    Truck Class:
    Heavy Duty
    Length Options:
    17 Inch
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $89.99
    Qty in Cart: 0
    Price:
    $89.99
    Subtotal:
  • Bulldog HD Front Shock Absorber Replaces B716019 For Kenworth T680

    Bulldog HD Front Shock Absorber Replaces B716019 For Kenworth T680

    BULLDOG HD SHOCKS

    $83.99
    Bulldog Heavy Duty Commercial Grade Shock Absorber Fits Kenworth T680 2015-2016Find premium shock replacements for your truck at 4 State Trucks. We carry these front Bulldog Heavy Duty Shocks,...
    02-050000002
    SKU:
    02-050000002
    Truck Class:
    Heavy Duty
    Length Options:
    20 Inch
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $83.99
    Qty in Cart: 0
    Price:
    $83.99
    Subtotal:
  • Bulldog HD Rear Shock Absorber 15.83 Compressed & 26.3 Inch Extended Length Replaces C711017 For Kenworth T680

    Bulldog HD Rear Shock Absorber 15.83 Compressed & 26.3 Inch Extended Length Replaces C711017 For Kenworth T680

    BULLDOG HD SHOCKS

    $86.99
    Rear Shock Absorber 10.47 Inch Stroke Fits Kenworth T680 2015-2016 Replaces C711017Bulldog HD shocks are fleet tested and approved. This is a premium rear replacement shock reengineered to be better...
    02-050000001
    SKU:
    02-050000001
    Truck Class:
    Heavy Duty
    Length Options:
    26 Inch
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $86.99
    Qty in Cart: 0
    Price:
    $86.99
    Subtotal:
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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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