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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
  • Quantity
  • Price
  • Subtotal
  • Transverse Beam Connection Kit - 48100143, SRK95 For SAF Holland / Neway

    Transverse Beam Connection Kit - 48100143, SRK95 For SAF Holland / Neway

    AFTERMARKET

    $295.99
    Transverse Beam Connection Kit Replaces 48100143, SRK95* High Quality Transverse Beam Connection Kit* Consists Of  - (2) Transverse Beam Bushing - (2) Lock Nut St 1-1/8 Inch - (2) U-bolt Washer 1-1/8...
    29-05100074
    SKU:
    29-05100074
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $295.99
    Qty in Cart: 0
    Price:
    $295.99
    Subtotal:
  • Cross Tube 2 7/16 OD X 44 7/8 Inch - E1842 For Hendrickson

    Cross Tube 2 7/16 OD X 44 7/8 Inch - E1842 For Hendrickson

    AFTERMARKET

    $146.99
    Cross Tube Replaces E1842, E-1842, C8HS5884A, 2390348,* High Quality Cross Tube* Dimensions: - 2 7/16 Inch Diameter  - 44 7/8 Inch Length* Made In USA * Sold Individually * Warranty On Cross Tubes...
    29-05100036
    SKU:
    29-05100036
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Length Options:
    44 7/8 Inch
    Product Type:
    Frame & Chassis
    $146.99
    Qty in Cart: 0
    Price:
    $146.99
    Subtotal:
  • Axle Connection Kit - 48100313, SRK450 For Holland / Neway

    Axle Connection Kit - 48100313, SRK450 For Holland / Neway

    AFTERMARKET

    $844.99
    Axle Connection Kit Replaces 48100313, SRK450* High Quality Axle Connection Kit* Consists Of  - (2) Axle Connect Bar Pin Bushing  - (4) 1 Inch Lock Nut  - (4) Bar Pin Bolt 1 Inch- 8 X 6 Inch  - (8) 1...
    29-05100042
    SKU:
    29-05100042
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Product Type:
    Frame & Chassis
    $844.99
    Qty in Cart: 0
    Price:
    $844.99
    Subtotal:
  • Cross Tube 1-15/16 OD X 44 7/8 Inch - E1840 For Hendrickson

    Cross Tube 1-15/16 OD X 44 7/8 Inch - E1840 For Hendrickson

    AFTERMARKET

    $127.99
    Cross Tube Replaces E1840* High Quality Cross Tube* Dimensions: - 1 15/16 Inch Diameter - 44 7/8 Inch Length* Made In USA * Sold Individually * Warranty On Cross Tubes Against Defects In Workmanship...
    29-05100035
    SKU:
    29-05100035
    Material Options:
    Steel
    Length Options:
    44 7/8 Inch
    Truck Class:
    Heavy Duty
    Make:
    Trailer
    Product Type:
    Frame & Chassis
    $127.99
    Qty in Cart: 0
    Price:
    $127.99
    Subtotal:
  • Wear Plate Kit 64890000 For Hendrickson Rear

    Wear Plate Kit 64890000 For Hendrickson Rear

    AFTERMARKET

    $217.99
    Wear Plate Kit W/ 4 Plates* High Quality Wear Plate Kit* (4) Wear Plates* Made In USA* Sold Individually * Warranty On Wear Plate Kits Against Defects In Workmanship & Material From Date Of...
    29-05100095
    SKU:
    29-05100095
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $217.99
    Qty in Cart: 0
    Price:
    $217.99
    Subtotal:
  • BESTfit Bushing Kit W/ 4 Rubber Shackles & Shock Bushings For EB2 Type Ends

    BESTfit Bushing Kit W/ 4 Rubber Shackles & Shock Bushings For EB2 Type Ends

    BESTFIT TRUCK PARTS

    $16.51
    BESTfit Rubber Bushing Kit Replaces 140149, 8057131Keep your truck's shocks and shackles secure with the BESTfit Bushing Kit with 4 Rubber Shackles & Shock Bushings for EB2 type ends. Featuring...
    29-05100002
    SKU:
    29-05100002
    Color:
    Black
    Material Options:
    Rubber
    Diameter Options:
    3/4 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $16.51
    Qty in Cart: 0
    Price:
    $16.51
    Subtotal:
  • 55.00 Inch Cross Tube, 2 Inch OD, 1- 1/4 Inch-12 ID

    55.00 Inch Cross Tube, 2 Inch OD, 1- 1/4 Inch-12 ID

    AFTERMARKET

    $223.99
    55.00 Inch Cross Tube* High Quality Cross Tube* 55.00 Inch* 2.00 Inch OD* 1- 1/4 Inch-12 ID* Made In USA* Sold Individually* Warranty On Cross Tubes Against Defects In Workmanship & Material From...
    29-05090101
    SKU:
    29-05090101
    Length Options:
    55 Inch
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $223.99
    Qty in Cart: 0
    Price:
    $223.99
    Subtotal:
  • Tie Rod End 5.35 Inch W/ 1-1/8-12 In Stud, Driver Side - L24Sv8007A12

    Tie Rod End 5.35 Inch W/ 1-1/8-12 In Stud, Driver Side - L24Sv8007A12

    AFTERMARKET

    $105.99
    5.35 Inch C To End Tie Rod End Replaces L24Sv8007A12* High Quality Tie Rod End* 2.60 Inch Height Of Taper* 5.35 In C To End* 1-1/8-12 In Stud* Taper Minor Diameter- 1.08 Inch* Taper Major Diameter- 1...
    29-05090080
    SKU:
    29-05090080
    Material Options:
    Steel
    Length Options:
    5 1/8 Inch
    Truck Class:
    Heavy Duty
    Position:
    Driver Side
    Product Type:
    Frame & Chassis
    $105.99
    Qty in Cart: 0
    Price:
    $105.99
    Subtotal:
  • Tie Rod End 5.35 Inch W/ 1-1/8-12 In Stud Passenger Side - L24Sb8004B11

    Tie Rod End 5.35 Inch W/ 1-1/8-12 In Stud Passenger Side - L24Sb8004B11

    AFTERMARKET

    $105.99
    5.35 In C To End Tie Rod End Replaces L24Sb8004B11 And L24Sv8004B12* High Quality Tie Rod End* 2.60 Inch Height Of Taper* 5.35 In C To End* 1-1/8-12 In Stud* 1.08 Inch Taper Minor Diameter* 1.25 Inch...
    29-05090081
    SKU:
    29-05090081
    Position:
    Passenger Side
    Material Options:
    Steel
    Length Options:
    5 1/4 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $105.99
    Qty in Cart: 0
    Price:
    $105.99
    Subtotal:
  • Pivot Connection Beam End Kit - SRK02 For Watson & Chalin

    Pivot Connection Beam End Kit - SRK02 For Watson & Chalin

    AFTERMARKET

    $420.99
    Pivot Connection Beam End Kit Replaces SRK02* High Quality Beam End Kit* Consists Of  - (4) Axle Connect Bushing  - (4) 1-1/8 Inch X 8-1/2 Inch Cap Screw - (8) 1-1/8 Inch U Bolt Washer  - (8) Washer...
    29-05090016
    SKU:
    29-05090016
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Make:
    Trailer
    Product Type:
    Frame & Chassis
    $420.99
    Qty in Cart: 0
    Price:
    $420.99
    Subtotal:
  • Leaf Spring H Shackle Kit For Hendrickson

    Leaf Spring H Shackle Kit For Hendrickson

    AFTERMARKET

    $90.99
    Leaf Spring H Shackle Kit Replaces 67754004, 75836004* High Quality Shackle Kit* Consists Of  - (1) Shackle - (2) Spring Bolt - (2) 3/4 Inch Lock Nut  - (4) 3/4 Inch U Bolt Washer * Made In USA* Sold...
    29-05090020
    SKU:
    29-05090020
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Trailer
    Product Type:
    Frame & Chassis
    $90.99
    Qty in Cart: 0
    Price:
    $90.99
    Subtotal:
  • Pivot Connection Beam End Kit Replaces SRK01 For Watson & Chalin

    Pivot Connection Beam End Kit Replaces SRK01 For Watson & Chalin

    AFTERMARKET

    $173.99
    Pivot Connection Beam End KitRestore suspension stability and proper axle alignment with this Pivot Connection Beam End Kit, engineered to replace SRK01 for Watson & Chalin suspensions. This...
    29-05090015
    SKU:
    29-05090015
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Trailer
    Product Type:
    Frame & Chassis
    $173.99
    Qty in Cart: 0
    Price:
    $173.99
    Subtotal:
  • 53.625 Inch Cross Tube, 1.25 Inch OD, 1.0in-16 ID For Meritor

    53.625 Inch Cross Tube, 1.25 Inch OD, 1.0in-16 ID For Meritor

    AFTERMARKET

    $164.99
    53.625 Inch Cross Tube* High Quality Cross Tube* 53.625 Inch* 1.25 Inch OD* 1.0 Inch-16 ID* Made In USA* Sold Individually* Warranty On Cross Tubes Against Defects In Workmanship & Material From Date...
    29-05090096
    SKU:
    29-05090096
    Length Options:
    53 Inch
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $164.99
    Qty in Cart: 0
    Price:
    $164.99
    Subtotal:
  • Axle Connect Kit Replaces SRK16 For Watson & Chalin

    Axle Connect Kit Replaces SRK16 For Watson & Chalin

    AFTERMARKET

    $358.99
    Axle Connect KitKeep your Watson & Chalin axles performing at their best with the Axle Connect Kit. This high-quality kit provides pivot and torque rod bushings, washers, Delrin sleeves, shackle...
    29-05090030
    SKU:
    29-05090030
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Trailer
    Product Type:
    Frame & Chassis
    $358.99
    Qty in Cart: 0
    Price:
    $358.99
    Subtotal:
  • Center Bolt Metric 12MM X 150MM

    Center Bolt Metric 12MM X 150MM

    AUTOMANN USA

    $3.38
    12MM X 150MM Center Bolt* High Quality Center Bolt* 12MM OD X 150MM Length* 18MM X 12MM Head* Sold Individually * Warranty On Center Bolts Against Defects In Workmanship & Material From Date Of...
    09-05250034
    SKU:
    09-05250034
    Material Options:
    Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $3.38
    Qty in Cart: 0
    Price:
    $3.38
    Subtotal:
  • Camshaft Tube Bushing 17.75 Inch - E4737A

    Camshaft Tube Bushing 17.75 Inch - E4737A

    AFTERMARKET

    $77.99
    Replacement Camshaft Tube Bushing For Support End 112.11624, Spider End 112.11623* High Quality Camshaft Tube* Dimensions: - 17.75 Inch Length - 1.875 Inch Support End ID* Made In USA* Sold...
    09-05170217
    SKU:
    09-05170217
    Truck Class:
    Universal
    Length Options:
    17 3/4 Inch
    Material Options:
    Cast Iron
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $77.99
    Qty in Cart: 0
    Price:
    $77.99
    Subtotal:
  • BESTfit Poly Bracket Kit Replaces BSH108, BSH172, BSHLWSU For Fontaine Fifth Wheel

    BESTfit Poly Bracket Kit Replaces BSH108, BSH172, BSHLWSU For Fontaine Fifth Wheel

    BESTFIT TRUCK PARTS

    $21.61
    BESTfit Poly Upper and Lower Brackets Fits Fontaine Fifth WheelRestore reliable fifth wheel operation with the BESTfit Poly Bracket Kit for Fontaine Fifth Wheels. Constructed from durable...
    09-05110026
    SKU:
    09-05110026
    Material Options:
    Plastic/Poly
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $21.61
    Qty in Cart: 0
    Price:
    $21.61
    Subtotal:
  • Hex Bolt 1/2-6 X 7 Inch - Grade 8 For Ridewell

    Hex Bolt 1/2-6 X 7 Inch - Grade 8 For Ridewell

    AFTERMARKET

    $53.99
    7 Inch Hex Bolt W/ 1-1/2 Inch -6 Thread Replaces E9445, R309445, And 1130670B105* High Quality Bolt* 1-1/2 Inch -6 * 7.0 Inch Length* Note Shoulder Is 3.0In* Hex Bolt* Pitch- Coarse* Made In USA*...
    09-05250068
    SKU:
    09-05250068
    Material Options:
    Steel
    Truck Class:
    Universal
    Length Options:
    7 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • BESTfit Bronze Bushing 11/16 OD X 9/16 ID X 1-3/4 Inch

    BESTfit Bronze Bushing 11/16 OD X 9/16 ID X 1-3/4 Inch

    BESTFIT TRUCK PARTS

    $8.09
    BESTfit 1.75 Inch Bronze Bushing Replaces 1407700, 01407700, 014-077-00* High Quality Bushing* Bronze* Dimensions: - 1.75 Inch Length - 0.688 Inch OD - 0.563 Inch ID* Sold Individually * Warranty On...
    09-05090014
    SKU:
    09-05090014
    Diameter Options:
    1/2 Inch
    Material Options:
    Bronze
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $8.09
    Qty in Cart: 0
    Price:
    $8.09
    Subtotal:
  • Poly Slide Bracket Bushing - D203 For Fontaine

    Poly Slide Bracket Bushing - D203 For Fontaine

    AUTOMANN USA

    $23.12
    Poly 1.25 ID X 4 OD Slide Bracket Bushing Replaces D203, E7445, 10002, R307445, & 13501U* High Quality Slide Bracket Bushing* Poly * Dimensions: - 1.25 Inch ID  - 4.00 Inch OD * Thickness- 2.45 Inch*...
    09-05110027
    SKU:
    09-05110027
    Truck Class:
    Universal
    Diameter Options:
    1 1/4 Inch
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $23.12
    Qty in Cart: 0
    Price:
    $23.12
    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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