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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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  • Quantity
  • Price
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  • Steering Tie Rod End M38-1.5 Passenger Side Thread - 9860449

    Steering Tie Rod End M38-1.5 Passenger Side Thread - 9860449

    AFTERMARKET

    $223.99
    5.354 C To End Tie Rod End* High Quality Tie Rod End* C Toe- 5.354 Inch* M38-1.5 Passenger Side Thread* Made In USA* Sold Individually* Warranty On Tie Rod Ends Against Defects In Workmanship &...
    09-05090025
    SKU:
    09-05090025
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $223.99
    Qty in Cart: 0
    Price:
    $223.99
    Subtotal:
  • Leaf Spring Repair Plate 11/32 CBH 1-3/4 X 0.291 - 30 Inch W/ 6 Inch Arch

    Leaf Spring Repair Plate 11/32 CBH 1-3/4 X 0.291 - 30 Inch W/ 6 Inch Arch

    AFTERMARKET

    $75.99
    Spring Steel Repair Repair Plate 11/32 CBH* High Quality Repair Plate* Dimensions:  - 1 3/4 Inch Plate Width  - 0.291 Inch Plate Thickness  - 30 Inch Overall Length  - 6 Inch Arch* Made In USA* Sold...
    09-05090021
    SKU:
    09-05090021
    Length Options:
    30 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $75.99
    Qty in Cart: 0
    Price:
    $75.99
    Subtotal:
  • Leaf Spring Repair Plate 17/32 CBH 3 X 0.447- 56 Inch OAL W/ 4-1/4 Inch Arch

    Leaf Spring Repair Plate 17/32 CBH 3 X 0.447- 56 Inch OAL W/ 4-1/4 Inch Arch

    AFTERMARKET

    $91.99
    Spring Steel Repair Plate - 17/32 CBH, 3 X 0.447 Inch - 28 X 28 Inch* High Quality Repair Plate* Dimensions:  - 3 Inch Plate Width  - Plate Thickness- 0.447 Inch  - Divided Length A And B- 28 Inch  -...
    09-05090007
    SKU:
    09-05090007
    Material Options:
    Steel
    Length Options:
    56 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $91.99
    Qty in Cart: 0
    Price:
    $91.99
    Subtotal:
  • Leaf Spring Repair Plate 17/32 CBH 3 X 0.447 - 66 Inch OAL W/ 6.25 Inch Arch

    Leaf Spring Repair Plate 17/32 CBH 3 X 0.447 - 66 Inch OAL W/ 6.25 Inch Arch

    AFTERMARKET

    $105.99
    Spring Steel Repair Plate - 17/32 CBH, 3 X 0.447 Inch - 33 X 33 Inch* High Quality Repair Plate* Dimensions:  - 3 Inch Plate Width  - Plate Thickness- 0.447 Inch  - Divided Length A And B- 33 Inch  -...
    09-05090009
    SKU:
    09-05090009
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    66 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $105.99
    Qty in Cart: 0
    Price:
    $105.99
    Subtotal:
  • Leaf Spring Repair Plate 17/32 CBH 3 X 0.447- 60 Inch OAL W/ 5 Inch Arch

    Leaf Spring Repair Plate 17/32 CBH 3 X 0.447- 60 Inch OAL W/ 5 Inch Arch

    AFTERMARKET

    $97.99
    Spring Steel Repair Plate - 17/32 CBH, 3 X 0.447 Inch - 30 X 30 InchReinforce your truck's suspension with the Leaf Spring Repair Plate 17/32 CBH 3 X 0.447 - 60 Inch OAL with 5 Inch Arch. Designed...
    09-05090008
    SKU:
    09-05090008
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    60 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $97.99
    Qty in Cart: 0
    Price:
    $97.99
    Subtotal:
  • Leaf Spring Repair Plate 2 1/2 X 0.323- 72 Inch OAL W/ 7 1/4 Arch

    Leaf Spring Repair Plate 2 1/2 X 0.323- 72 Inch OAL W/ 7 1/4 Arch

    AFTERMARKET

    $74.99
    Spring Steel Repair Plate With No Center Hole - 2.5 X 0.323 X 72 Inch* High Quality Repair Plate* Dimensions:  - 2-1/2 Inch Plate Width  - 0.323 Inch Plate Thickness  - 72 Inch Overall Length  -...
    09-05090001
    SKU:
    09-05090001
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    72 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $74.99
    Qty in Cart: 0
    Price:
    $74.99
    Subtotal:
  • Leaf Spring Repair Plate 13/32 CBH 1-3/4 X 0.360- 30 X 30 Inch

    Leaf Spring Repair Plate 13/32 CBH 1-3/4 X 0.360- 30 X 30 Inch

    AFTERMARKET

    $92.99
    Spring Steel Repair Plate - 13/32 CBH, 1-3/4 X 0.360 Inch - 30 X 30 Inch* High Quality Repair Plate* 13/32 Inch Center Bolt Hole* Made In USA* Sold Individually* Warranty On Repair Plates Against...
    09-05090004
    SKU:
    09-05090004
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $92.99
    Qty in Cart: 0
    Price:
    $92.99
    Subtotal:
  • BESTfit Center Bolt 1/2 - 20 X 9 Inch With 3/4 Inch Head For Front Spring

    BESTfit Center Bolt 1/2 - 20 X 9 Inch With 3/4 Inch Head For Front Spring

    BESTFIT TRUCK PARTS

    $5.10
    1/2 - 20 X 9 Inch Center Bolt With 3/4 Head For Front Spring By BESTfitReplace worn front spring bolts with the BESTfit Center Bolt 1/2-20 x 9 Inch with 3/4 Inch Head. Designed for heavy-duty trucks,...
    09-05250134
    SKU:
    09-05250134
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Length Options:
    9 Inch
    Diameter Options:
    1/2 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $5.10
    Qty in Cart: 0
    Price:
    $5.10
    Subtotal:
  • Leaf Spring Repair Plate 17/32 CBH 4 X 0.625 -30 X 30 Inch

    Leaf Spring Repair Plate 17/32 CBH 4 X 0.625 -30 X 30 Inch

    AFTERMARKET

    $176.99
    Spring Steel Repair Plate - 17/32 CBH, 4 X 0.625 Inch - 30 X 30 Inch* High Quality Repair Plate* Center Bolt Hole Size- 17/32 Inch* Repair Plate Type- Center Bolt Hole* Made In USA* Sold...
    09-05090003
    SKU:
    09-05090003
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $176.99
    Qty in Cart: 0
    Price:
    $176.99
    Subtotal:
  • Air Disc Brake Pad Hardware Kit For Meritor EX225, EX225H2, EX225H3, ELSA225-3

    Air Disc Brake Pad Hardware Kit For Meritor EX225, EX225H2, EX225H3, ELSA225-3

    AUTOMANN USA

    $24.17
    Brake Pad Hardware KitKeep your Meritor EX225 brake system operating safely with this Air Disc Brake Pad Hardware Kit. Including all components needed for proper pad installation, it ensures precise...
    09-05170204
    SKU:
    09-05170204
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $24.17
    Qty in Cart: 0
    Price:
    $24.17
    Subtotal:
  • 0.5 Inch Steel Brake Shoe Rivet With 0.5 Inch Head

    0.5 Inch Steel Brake Shoe Rivet With 0.5 Inch Head

    AUTOMANN USA

    $0.21
    Brake Shoe Lining Rivet* High Quality Brake Shoe Rivet* Steel* Dimensions:  - 0.50 Inch Length  - 0.50 Inch Nominal Head Diameter  - 0.195 Inch Shank Diameter* Sold Individually* Warranty On Brake...
    09-05170105
    SKU:
    09-05170105
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Diameter Options:
    1/2 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $0.21
    Qty in Cart: 0
    Price:
    $0.21
    Subtotal:
  • Single Spring Leaf Repair Plate Metric 12.5 MM CBH 70 X 11 mm - 66 Inch OAL W/ 6.5 Inch Arch

    Single Spring Leaf Repair Plate Metric 12.5 MM CBH 70 X 11 mm - 66 Inch OAL W/ 6.5 Inch Arch

    AFTERMARKET

    $103.99
    Spring Steel Repair Plate With 12.5 MM Center Bolt Holes* High Quality Spring Leaf Plate* Dimensions:  - Plate Width- 70Mm  - Plate Thickness- 11Mm  - Divided Length A And B- 33 Inch  - Overall...
    09-05100014
    SKU:
    09-05100014
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    66 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $103.99
    Qty in Cart: 0
    Price:
    $103.99
    Subtotal:
  • Gabriel Shock Mounting Bushing For 2.39 Inch OD Eye Ring

    Gabriel Shock Mounting Bushing For 2.39 Inch OD Eye Ring

    GABRIEL

    $3.29
    Urethane Bushing For Mounting Gabriel Shock* High Quality Mounting Accessory* 1.859 Inch * Urethane Bushing* Sold Individually* Warranty On Mounting Accessories Against Defects In Workmanship &...
    09-05000000
    SKU:
    09-05000000
    Diameter Options:
    1 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $3.29
    Qty in Cart: 0
    Price:
    $3.29
    Subtotal:
  • Wrapper Leaf For 10 Leaf Spring For Hendrickson

    Wrapper Leaf For 10 Leaf Spring For Hendrickson

    AFTERMARKET

    $185.99
    Hendrickson Wrapper LeafSupport your truck's suspension system with the Wrapper Leaf for 10-Leaf Springs, engineered to restore the strength of your Hendrickson leaf assembly. Sold individually, it...
    09-05100001
    SKU:
    09-05100001
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    39 1/2 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $185.99
    Qty in Cart: 0
    Price:
    $185.99
    Subtotal:
  • Parabolic Extra Leaf - 1,800 Lbs. Capacity For Front Eye-Eye Full Taper Leaf Spring

    Parabolic Extra Leaf - 1,800 Lbs. Capacity For Front Eye-Eye Full Taper Leaf Spring

    AFTERMARKET

    $199.99
    Parabolic Extra Leaf* High Quality Parabolic Extra Leaf* Dimensions:  - 26 1/6 Inch S.E.  - 30 7/8 Inch I.E.  - 5 3/16 Inch Arch* Capacity- 1800 Lbs.* Made In USA* Sold Individually* Warranty On...
    09-05090011
    SKU:
    09-05090011
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $199.99
    Qty in Cart: 0
    Price:
    $199.99
    Subtotal:
  • Leaf Spring Repair Plate 17/32 CBH 3 X 0.447- 52 Inch OAL W/ 4 Inch Arch

    Leaf Spring Repair Plate 17/32 CBH 3 X 0.447- 52 Inch OAL W/ 4 Inch Arch

    AFTERMARKET

    $83.99
    Spring Steel Repair Plate - 26 X 26 Inch,* High Quality Repair Plate* Dimensions:  - 3 Inch Plate Width  - Plate Thickness 0.447 Inch  - Divided Length A And B 26 Inch  - 52 Inch Overall Length  - 4...
    09-05090006
    SKU:
    09-05090006
    Length Options:
    52 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $83.99
    Qty in Cart: 0
    Price:
    $83.99
    Subtotal:
  • Leaf Spring Repair Plate Metric 60 X 11mm - 66 Inch OAL W/ 6 1/2 Inch Arch

    Leaf Spring Repair Plate Metric 60 X 11mm - 66 Inch OAL W/ 6 1/2 Inch Arch

    AFTERMARKET

    $100.99
    Spring Steel Repair Plate With No Center Hole - Metric 60 MM X 11MM X 66 Inch* High Quality Repair Plate* Dimensions:  - 60 MM Plate Width  - 11 MM Plate Thickness  - 66 Inch Overall Length  - Arch-...
    09-05090000
    SKU:
    09-05090000
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Length Options:
    66 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $100.99
    Qty in Cart: 0
    Price:
    $100.99
    Subtotal:
  • Rear 10 Leaf Spring - 10,400 Lbs. Capacity For International

    Rear 10 Leaf Spring - 10,400 Lbs. Capacity For International

    AFTERMARKET

    $1,019.99
    International Multi-Leaf Spring Replaces 2007043C91* High Quality Leaf Spring* Dimenssions:  - 3 1/2 Inch Width  - 25 1/4 Inch S.E.  - 28 3/4 Inch I.E.  - 3 Inch Arch* Spring Type- Multi-Leaf Spring*...
    07-05100002
    SKU:
    07-05100002
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    International
    Product Type:
    Frame & Chassis
    $1,019.99
    Qty in Cart: 0
    Price:
    $1,019.99
    Subtotal:
  • 32-7/8 Inch C To C Cabin Torque Rod Replaces 2993-4032 For Peterbilt, Kenworth

    32-7/8 Inch C To C Cabin Torque Rod Replaces 2993-4032 For Peterbilt, Kenworth

    AFTERMARKET

    $150.99
    Cabin Torque Rod With 5/8 Inch Through Bolt Both EndsMaintain precise cabin alignment and reduce vibration with this high-quality 32-7/8 Inch C to C Cabin Torque Rod, designed for Peterbilt and...
    29-09500006
    SKU:
    29-09500006
    Length Options:
    32 Inch
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    $150.99
    Qty in Cart: 0
    Price:
    $150.99
    Subtotal:
  • 32.875 Inch C To C Cab Torque Rod Kit For Kenworth T680, Peterbilt 579 Sleeper

    32.875 Inch C To C Cab Torque Rod Kit For Kenworth T680, Peterbilt 579 Sleeper

    AFTERMARKET

    $166.99
    Kenworth & Peterbilt Sleeper Cab Torque Rod KitRestore cab stability with this 32.875 Inch C To C Torque Rod Kit, engineered for Kenworth T680 and Peterbilt 579 Sleeper trucks. This high-quality...
    29-10140003
    SKU:
    29-10140003
    Length Options:
    32 3/4 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    $166.99
    Qty in Cart: 0
    Price:
    $166.99
    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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