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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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  • Qty in Cart
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  • Price
  • Subtotal
  • 207S Swivel Drawbar Eye - 9,0000 Lbs

    207S Swivel Drawbar Eye - 9,0000 Lbs

    PREMIER

    $379.99
    Swivel Drawbar Eye W/ 2 3/8 Inch IDLooking for a heavy-duty Swivel Drawbar Eye? The 207S has got you covered with its impressive 90,000 lbs max gross trailer weight and 2,500 lbs tongue weight...
    09-051100796
    SKU:
    09-051100796
    Truck Class:
    Universal
    Rating:
    90000 LBS
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $379.99
    Qty in Cart: 0
    Price:
    $379.99
    Subtotal:
  • 546B Front End Housing W/ Poly Bushing For Use W/ 207SE, 307SE, 405SE, 407SE Swivel Drawbar Eyes

    546B Front End Housing W/ Poly Bushing For Use W/ 207SE, 307SE, 405SE, 407SE Swivel Drawbar Eyes

    PREMIER

    $625.99
    5-3/16 Inch Front End Housing For Use W/ Swivel Drawbar Eyes* High Quality Front End Housing* Includes:  - Housing  - Poly Bushings  - Washer* Bushing Inside Diameter 2 Inch* Bushing Outside Diameter...
    09-051100826
    SKU:
    09-051100826
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $625.99
    Qty in Cart: 0
    Price:
    $625.99
    Subtotal:
  • Replacement Rubber Bushing For Use With 340S And 640S Front End Housing

    Replacement Rubber Bushing For Use With 340S And 640S Front End Housing

    PREMIER

    $37.44
    Replacement Rubber Bushing W/ 2 Inch ID* High Quality Replacement Bushing* 3-1/2 Inch X 3-1/2 Inch With 2 Inch ID * Rubber Bushing* For Use With 340S And 640S Front End Housing* Made In USA* Sold...
    09-051100811
    SKU:
    09-051100811
    Diameter Options:
    3 1/2 Inch
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $37.44
    Qty in Cart: 0
    Price:
    $37.44
    Subtotal:
  • FREE SHIPPING OVER $249
    Aluminum Air Cylinder For Holland FW35 Fifth Wheel Replaces XA-11699

    Aluminum Air Cylinder For Holland FW35 Fifth Wheel Replaces XA-11699

    AUTOMANN USA

    $189.99
    Replacement Holland Fifth Wheel Air CylinderKeep your Holland FW35 fifth wheel sliding system operating at peak efficiency with the Aluminum Air Cylinder, built to replace XA-11699. With a compressed...
    09-051100904
    SKU:
    09-051100904
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $189.99
    Qty in Cart: 0
    Price:
    $189.99
    Subtotal:
  • 10A Safety Chain Hanger - MGTW 90,000 Lbs

    10A Safety Chain Hanger - MGTW 90,000 Lbs

    PREMIER

    $201.99
    Bracket For Safety Chain HangerKeep your chains safe and accessible with this 10A Safety Chain Hanger by Premier Manufacturing! Featuring a high quality steel material that is strong, reliable, and...
    09-051100900
    SKU:
    09-051100900
    Rating:
    90000 LBS
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $201.99
    Qty in Cart: 0
    Price:
    $201.99
    Subtotal:
  • Replacement Poly Bushing For Use With 435 And 536B Front End Housing

    Replacement Poly Bushing For Use With 435 And 536B Front End Housing

    PREMIER

    $141.99
    Replacement Poly Bushing W/ 2 Inch ID* 4-1/4 Inch X 4-1/2 Inch With 2 Inch ID * Poly Bushing* For Use With 435 And 536B Front End Housing* Made In USA* Sold Individually* Warranty On Replacement...
    09-051100818
    SKU:
    09-051100818
    Diameter Options:
    4 1/4 Inch
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $141.99
    Qty in Cart: 0
    Price:
    $141.99
    Subtotal:
  • Adjustable Mount Receiver For 2.5 Inch Receiver

    Adjustable Mount Receiver For 2.5 Inch Receiver

    PREMIER

    $164.99
    Adjustable Mount For 2-1/2 Inch Receiver* High Quality Receiver* Steel Casting* Adjustable Mount For 2-1/2 Inch* Allows For Three Different Vertical Height Positions * Receiver-Type Connections* For...
    09-051100895
    SKU:
    09-051100895
    Rating:
    12000 LBS
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $164.99
    Qty in Cart: 0
    Price:
    $164.99
    Subtotal:
  • 640SA Front End Housing For Use W/ 207S, 307S, 405S Swivel Drawbar Eyes

    640SA Front End Housing For Use W/ 207S, 307S, 405S Swivel Drawbar Eyes

    PREMIER

    $536.99
    3.5 Inch Front End Housing Accepts 2.5 Inch Standard Channel Or Square Tubing* High Quality Front End Housing* Includes:  - Housing  - Washer  - Poly Bushings* Inside Diameter 2 Inch* Outside...
    09-051100814
    SKU:
    09-051100814
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $536.99
    Qty in Cart: 0
    Price:
    $536.99
    Subtotal:
  • 5 Weld On Drawbar Eye

    5 Weld On Drawbar Eye

    PREMIER

    $267.99
    Weld-On Drawbar Eye W/ 2 5/8 Inch ID* High Quality Weld-On Drawbar Eye* Inside Diameter 2-5/8 Inch* Maximum Gross Trailer Weight 90000 Lbs* Maximum Tongue Weight 13500 Lbs* Never Attempt Weld Repair...
    09-051100780
    SKU:
    09-051100780
    Rating:
    90000 LBS
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $267.99
    Qty in Cart: 0
    Price:
    $267.99
    Subtotal:
  • 340SA Front End Housing For Use W/ 207S, 307S, 405S Swivel Drawbar Eyes

    340SA Front End Housing For Use W/ 207S, 307S, 405S Swivel Drawbar Eyes

    PREMIER

    $571.99
    3.5 Inch Front End Housing Accepts 3 Inch Standard Channel Or Square Tubing* High Quality Front End Housing* Includes:  - Housing  - Washer   - Poly Bushings* Inside Diameter 2 Inch* Outside Diameter...
    09-051100810
    SKU:
    09-051100810
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $571.99
    Qty in Cart: 0
    Price:
    $571.99
    Subtotal:
  • 207L Swivel Drawbar Eye - 9,0000 Lbs

    207L Swivel Drawbar Eye - 9,0000 Lbs

    PREMIER

    $384.99
    Swivel Drawbar Eye W/ 2 3/8 Inch IDThe 207L Swivel Drawbar Eye is designed for heavy-duty towing, with a maximum gross trailer weight of 90000 lbs and a maximum tongue weight of 2500 lbs. It features...
    09-051100795
    SKU:
    09-051100795
    Rating:
    90000 LBS
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $384.99
    Qty in Cart: 0
    Price:
    $384.99
    Subtotal:
  • 305 Weld On Drawbar Eye For Rectangular Tubing

    305 Weld On Drawbar Eye For Rectangular Tubing

    PREMIER

    $457.99
    Weld On Drawbar Eye W/ 3 Inch ID* High Quality Weld-On Drawbar Eye* Inside Diameter 3- Inch* Designed For Rectangular Tubing 2 Inch X 4 Inch And 4 Inch X 4 Inch* Made In USA* Sold As Pair* Warranty...
    09-051100776
    SKU:
    09-051100776
    Rating:
    100000 LBS
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $457.99
    Qty in Cart: 0
    Price:
    $457.99
    Subtotal:
  • 271B Standard Thimble Pushrod, 7/8 X 4 3/8 Inch

    271B Standard Thimble Pushrod, 7/8 X 4 3/8 Inch

    PREMIER

    $40.57
    Standard Thimble Pushrod* High Quality Thimble Pushrod* 7/8 Inch X 4-3/8 Inch Length* Used On The End Of The Pushrod Of An Air Chamber That Contacts The Slack Adjustment Shoe In Air Take Up...
    09-051100876
    SKU:
    09-051100876
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $40.57
    Qty in Cart: 0
    Price:
    $40.57
    Subtotal:
  • 300HD Bolt On Drawbar Eye

    300HD Bolt On Drawbar Eye

    PREMIER

    $273.99
    Bolt-On Drawbar Eye W/ 3 Inch ID* High Quality Bolt-On Drawbar Eye* Inside Diameter 3- Inch* Maximum Gross Trailer Weight 100000 Lbs* Maximum Tongue Weight 20000 Lbs* Never Attempt Weld Repair Of...
    09-051100791
    SKU:
    09-051100791
    Rating:
    100000 LBS
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $273.99
    Qty in Cart: 0
    Price:
    $273.99
    Subtotal:
  • 21 Weld On Drawbar Eye W/ 35 Degree V Angle

    21 Weld On Drawbar Eye W/ 35 Degree V Angle

    PREMIER

    $262.99
    Weld-On Drawbar Eye With Diameter 2-3/8 Inch* High Quality Weld-On Drawbar Eye* Inside Diameter 2-3/8 Inch* 35 Degree V Angle* Weld Tabs Can Be Heated And Bent Plus/Minus 10 Degrees To Accommodate...
    09-051100772
    SKU:
    09-051100772
    Rating:
    100000 LBS
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $262.99
    Qty in Cart: 0
    Price:
    $262.99
    Subtotal:
  • 267F Non Standard Air Chamber Bracket

    267F Non Standard Air Chamber Bracket

    PREMIER

    $118.99
    Non- Standard Air Chamber Bracket* High Quality Non- Standard Air Chamber Bracket* 4-5/8 Inch Overall Length* For Use With 360/370/470/470H/2300/2400/2400H And Saf-Tite 100-3/100-4 And 100-4H Slack...
    09-051100872
    SKU:
    09-051100872
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $118.99
    Qty in Cart: 0
    Price:
    $118.99
    Subtotal:
  • 267 Standard Air Chamber Bracket, 2 3/4 Inch

    267 Standard Air Chamber Bracket, 2 3/4 Inch

    PREMIER

    $118.99
    Air Chamber Bracket For Use W/ 270, 2200 Saf-Tite 100 And 820 Slack Reducing Couplings* High Quality Standard Air Chamber Bracket* 2-3/4 Inch Overall Length* For Use With 270/2200 Saf-Tite 100 And...
    09-051100868
    SKU:
    09-051100868
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $118.99
    Qty in Cart: 0
    Price:
    $118.99
    Subtotal:
  • 110 Drawbar Eye W/ 12 Inch Pushrod

    110 Drawbar Eye W/ 12 Inch Pushrod

    PREMIER

    $415.99
    Weld-On Slack Reducing Drawbar Eye For Use W/ 2.5 Inch Round Tubing* High Quality Weld-On Slack Reducing Eye* Includes:  - Shoe  - Drawbar Eye  - 12 Inch Pushrod* Inside Diameter 2-3/8 Inch* Designed...
    09-051100768
    SKU:
    09-051100768
    Rating:
    100000 LBS
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $415.99
    Qty in Cart: 0
    Price:
    $415.99
    Subtotal:
  • 245DB-3 Bolt On Drawbar Eye - 10,0000 Lbs

    245DB-3 Bolt On Drawbar Eye - 10,0000 Lbs

    PREMIER

    $449.99
    Bolt-On Drawbar Eye W/ 3 Inch IDThe 245DB-3 Bolt-On Drawbar Eye handles a maximum gross trailer weight of 100,000 lbs and a maximum tongue weight of 8,000 lbs. It is durable and dependable - ideal...
    09-051100794
    SKU:
    09-051100794
    Truck Class:
    Universal
    Rating:
    100000 LBS
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $449.99
    Qty in Cart: 0
    Price:
    $449.99
    Subtotal:
  • 438 Drawbar Guide Used W/ 100-3, 100-4, 100-4H, 470. 470H, 2200, 2400 & 2400H

    438 Drawbar Guide Used W/ 100-3, 100-4, 100-4H, 470. 470H, 2200, 2400 & 2400H

    PREMIER

    $370.99
    Drawbar Guide* High Quality Drawbar Guide* Used With 100-3/100-4/100-4H/470/470H/2200/2400 And 2400H Couplings* Guides Act As An Aid To Operators When Hooking Up Equipment* Cast From High Strength...
    09-051100864
    SKU:
    09-051100864
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $370.99
    Qty in Cart: 0
    Price:
    $370.99
    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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