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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
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  • On Sale
    Limited Quantity Available
    8 Inch Delrin Liner W/ Tab & Hole For 1/2 Inch Nut

    8 Inch Delrin Liner W/ Tab & Hole For 1/2 Inch Nut

    AFTERMARKET

    Now: $1.42
    Was: $2.03
    8 X 2.875 Inch Delrin Liner W/ Tab & Hole For 1/2 Inch Nut* High Quality Delrin Liner* 8.00 Inch Length* 2.875 Inch Width* 3/4 Inch Hole With Tab For 1/2 Inch Nut* Sold Individually * Warranty On...
    09-05250079
    SKU:
    09-05250079
    Material Options:
    Steel
    Length Options:
    8 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    Now: $1.42
    Was: $2.03
    Qty in Cart: 0
    Price:
    Now: $1.42
    Was: $2.03
    Subtotal:
  • Poly Bracket Pin Cushions For Holland 5th Wheel

    Poly Bracket Pin Cushions For Holland 5th Wheel

    AFTERMARKET

    $93.99
    Fifth Wheel Bracket Pin Cushions Replaces FW51-32606, Fw5132606Heavy-duty towing demands dependable components, and the Poly Bracket Pin Cushions for Holland 5th Wheel are designed to meet that...
    09-05110032
    SKU:
    09-05110032
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $93.99
    Qty in Cart: 0
    Price:
    $93.99
    Subtotal:
  • Brake Camshaft Tube 18 X 2 Inch ID Replaces E-5243A, R005243A. 31-1440 For Support End

    Brake Camshaft Tube 18 X 2 Inch ID Replaces E-5243A, R005243A. 31-1440 For Support End

    AFTERMARKET

    $106.99
    18 Inch Long Brake Camshaft Tube* High Quality Brake Camshaft Tube* 18.00 Inch Length* 2 Inch Diameter* 1.50 Inch Support End I.D.* 1.625 Inch Spider End I.D. * Meritor Axles* Replacement Bushing For...
    09-05170247
    SKU:
    09-05170247
    Truck Class:
    Universal
    Material Options:
    Steel
    Diameter Options:
    2 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $106.99
    Qty in Cart: 0
    Price:
    $106.99
    Subtotal:
  • 0.25 Inch Shim For Hendrickson Rear Haulmaax

    0.25 Inch Shim For Hendrickson Rear Haulmaax

    BESTFIT TRUCK PARTS

    $10.39
    0.25 Inch Shim Replaces E-15155, 60791* High Quality Shim* 1/4 Inch* 0.25 Inch Thickness* Sold Individually * Warranty On Shims Against Defects In Workmanship & Material From Date Of Purchase*** High...
    09-05100013
    SKU:
    09-05100013
    Width Options:
    1/4 Inch
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $10.39
    Qty in Cart: 0
    Price:
    $10.39
    Subtotal:
  • Frame Bracket Hanger For Watson & Chalin

    Frame Bracket Hanger For Watson & Chalin

    AFTERMARKET

    $709.99
    Choose Option(s) to see description.Frame Hanger, Driver Side For Watson & ChalinDriver Side Frame Hanger, Replaces 90236910Z & 92039710Z* High Quality Frame Hanger* Driver Side* Made In USA* Sold...
    PPR_206533
    SKU:
    PPR_206533
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $709.99
    Qty in Cart: 0
    Price:
    $709.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Grade 8 Flange Head Cap Screws

    Grade 8 Flange Head Cap Screws

    AUTOMANN USA

    $0.74 - $2.30
    Choose Option(s) to see description.Flange Bolt 5/8In-11 X 2 Inch, Grade 8Flange Bolt Replaces* High Quality Flange Bolt* 5/8 Inch Bolt Diameter* 2.00 Inch Bolt Length* Bolt Type- Flanged Bolts*...
    PPR_206137
    SKU:
    PPR_206137
    Material Options:
    Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $0.74 - $2.30
    Qty in Cart: 0
    Price:
    $0.74 - $2.30
    Subtotal:
  • Hex Bolt Cap Screws W/ Fine Pitch

    Hex Bolt Cap Screws W/ Fine Pitch

    AUTOMANN USA

    $1.14 - $27.32
    Choose Option(s) to see description.Cap Screw Bolt 1/2In - 20 X 1-1/4 inch - Grade 8Grade 8 Cap Screw Bolt Replaces XBC95, 1AX42* High Quality Cap Screw* Dimensions: - 1/2 Inch Bolt Diameter  - 1-1/4...
    PPR_205931
    SKU:
    PPR_205931
    Material Options:
    Steel
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $1.14 - $27.32
    Qty in Cart: 0
    Price:
    $1.14 - $27.32
    Subtotal:
  • Merritt Aluminum Dyna Deck Plate 102.5 Inch, Flush Mount

    Merritt Aluminum Dyna Deck Plate 102.5 Inch, Flush Mount

    MERRITT

    $1,081.99
    102.5 Inch Dyna-Deck Flush Mount PlateThe self-draining Merritt Dyna-Deck modular deck plate cover has a flush mount and offers expandability to suit your specific requirements. It consists of eleven...
    4411
    SKU:
    4411
    Length Options:
    102 1/2 Inch
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $1,081.99
    Qty in Cart: 0
    Price:
    $1,081.99
    Subtotal:
  • Bronze Bushing, 1-1/4 OD x 1 ID x 3 Inch

    Bronze Bushing, 1-1/4 OD x 1 ID x 3 Inch

    AUTOMANN USA

    $13.86
    3 Inch Bronze Bushing Replaces 2HR732* High Quality Bronze Bushing* Dimensions: - 3.00 Inch Length - 1.25 Inch O.D. - 1.00 Inch I.D.* Sold Individually* Warranty On Bronze Bushings Against Defects In...
    35-05250000
    SKU:
    35-05250000
    Truck Class:
    Universal
    Diameter Options:
    1 1/4 Inch
    Material Options:
    Bronze
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $13.86
    Qty in Cart: 0
    Price:
    $13.86
    Subtotal:
  • Square Top U-Bolt Kit 7/8 X 5 X 16 Inch

    Square Top U-Bolt Kit 7/8 X 5 X 16 Inch

    AUTOMANN USA

    $78.99
    Square Top U-bolt Kit W/ 2 U-Bolts, Washers, & Deep Nuts* High Quality U-bolt Kit* Consists Of  - (2) U-Bolts - (4) U-Bolt Washer  - (4) Deep Nut* 7/8 Diameter Bolt* 5 Inch Inside Legs* 16 Inch...
    29-05100266
    SKU:
    29-05100266
    Length Options:
    16 Inch
    Diameter Options:
    7/8 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Product Type:
    Frame & Chassis
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • Bronze Bushing, 1-3/8 OD x 1-1/8 ID x 3 Inch

    Bronze Bushing, 1-3/8 OD x 1-1/8 ID x 3 Inch

    AUTOMANN USA

    $13.59
    3 Inch Bronze Bushing Replaces 4HR265* High Quality Bronze Bushing* 3.00 Inch Length* 1.375 Inch O.D.* 1.125 Inch I.D.* Sold Individually* Warranty On Bronze Bushings Against Defects In Workmanship &...
    29-05250036
    SKU:
    29-05250036
    Truck Class:
    Heavy Duty
    Diameter Options:
    3 Inch
    Material Options:
    Bronze
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $13.59
    Qty in Cart: 0
    Price:
    $13.59
    Subtotal:
  • Poly Torque Rod Bushing, .25 OD X 1 Inch ID

    Poly Torque Rod Bushing, .25 OD X 1 Inch ID

    BESTFIT TRUCK PARTS

    $17.00
    Torque Rod Bushing, Replaces D70, E7522, R307522, T2242* High Quality Torque Rod Bushing* 2.25 Inch OD* 1 Inch ID* Sold Individually* Warranty On Torque Rod Bushings Against Defects In Workmanship &...
    29-05250038
    SKU:
    29-05250038
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $17.00
    Qty in Cart: 0
    Price:
    $17.00
    Subtotal:
  • Snubber Shim Plate 7.812 Inch For Kenworth, Peterbilt

    Snubber Shim Plate 7.812 Inch For Kenworth, Peterbilt

    AUTOMANN USA

    $10.40
    7.812 Inch Snubber Shim Plate, Replaces A22-1016-001* High Quality Snubber Shim Plate* 7.812 Inch Length* 4.00 Inch C To C* 3.75 Inch Width* 0.812 Inch Bolt Hole* Sold Individually* Warranty On...
    29-05090164
    SKU:
    29-05090164
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    7 3/4 Inch
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    $10.40
    Qty in Cart: 0
    Price:
    $10.40
    Subtotal:
  • 21-1/4 Inch Fixed Torque Rod, Rear Forward Axle For Reyco Granning Suspension

    21-1/4 Inch Fixed Torque Rod, Rear Forward Axle For Reyco Granning Suspension

    AFTERMARKET

    $211.99
    21-1/4 Inch C To C Fixed Torque Rod W/ BushingsOptimize your truck's rear suspension with the 21-1/4 Inch Fixed Torque Rod for Reyco Granning Rear Forward Axle. Its 21-1/4 inch center-to-center...
    29-05100251
    SKU:
    29-05100251
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $211.99
    Qty in Cart: 0
    Price:
    $211.99
    Subtotal:
  • 56.7 Inch Cross Tube Assembly Replaces 03357021100Z

    56.7 Inch Cross Tube Assembly Replaces 03357021100Z

    AFTERMARKET

    $717.99
    56.7 Inch Adjustable Cross Tube Assembly Replaces 03357021100Z, 03357021100* High Quality Cross Tube Assembly* Consists Of  - (1) Tie Rod End Driver Side - (1) Tie Rod End Passenger Side - (1) Cross...
    29-05090156
    SKU:
    29-05090156
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $717.99
    Qty in Cart: 0
    Price:
    $717.99
    Subtotal:
  • 57.70 to 61 Inch Cross Tube Assembly Replaces Mt22-1188

    57.70 to 61 Inch Cross Tube Assembly Replaces Mt22-1188

    AFTERMARKET

    $2,016.99
    57.70-61 Inch Adjustable Cross Tube Assembly Replaces MT22-1188* High Quality Cross Tube Assembly* Includes  - Cross Tube - Driver Side Rod End - Passenger Side Rod End* 54 Inch E To E* 57.70-61 Inch...
    29-05090161
    SKU:
    29-05090161
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $2,016.99
    Qty in Cart: 0
    Price:
    $2,016.99
    Subtotal:
  • 5-1/2 Inch Cap Screw Hex Bolt 7/8In -9 Thread For Hendrickson Turner Trailer

    5-1/2 Inch Cap Screw Hex Bolt 7/8In -9 Thread For Hendrickson Turner Trailer

    AUTOMANN USA

    $5.83
    Hex Cap Screw Bolt Replaces 70263701* High Quality Cap Screw* 7/8 Inch Bolt Diameter* 5-1/2 Inch Bolt Length* Bolt Type- Hex Bolts* Thread- 9* Pitch- Coarse* Grade-8* Sold Individually* Warranty On...
    29-05250033
    SKU:
    29-05250033
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Trailer
    Product Type:
    Frame & Chassis
    $5.83
    Qty in Cart: 0
    Price:
    $5.83
    Subtotal:
  • 25.375 Inch Torque Rod, 1-1/4 Inch Shaft Dia.

    25.375 Inch Torque Rod, 1-1/4 Inch Shaft Dia.

    AFTERMARKET

    $220.99
    25.375 Inch Torque Rod W/ Side A And B- Straddle* High Quality Torque Rod* 25.375 Inch * 1-1/4 Inch Shaft Diameter* Side A And B- Straddle* Made In USA* Sold Individually* Warranty On Torque Rods...
    29-05090158
    SKU:
    29-05090158
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $220.99
    Qty in Cart: 0
    Price:
    $220.99
    Subtotal:
  • 9-1/2 Inch Cap Screw 1-1/4in -7 Thread Grade 8 For Neway & Holand Trailer

    9-1/2 Inch Cap Screw 1-1/4in -7 Thread Grade 8 For Neway & Holand Trailer

    AFTERMARKET

    $19.81
    1-1/4 X 9-1/2 Inch Cap Screw Replaces E2950, 93200993* High Quality Cap Screw* 1-1/4 Inch-7 Thread* 9-1/2 Inch* Made In USA* Sold Individually* Warranty On Cap Screws Against Defects In Workmanship &...
    19-05250031
    SKU:
    19-05250031
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Trailer
    Product Type:
    Frame & Chassis
    $19.81
    Qty in Cart: 0
    Price:
    $19.81
    Subtotal:
  • Snubber Shim Plate 6.75 Inch For Kenworth, Peterbilt

    Snubber Shim Plate 6.75 Inch For Kenworth, Peterbilt

    AUTOMANN USA

    $12.72
    6.75 Inch Snubber Shim Plate, Replaces A22-1016-002* High Quality Snubber Shim Plate* 6.75 Inch Length* 4.00 Inch C To C* 2.75 Inch Width* 0.813 Inch Bolt Hole* Sold Individually* Warranty On Snubber...
    29-05090165
    SKU:
    29-05090165
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $12.72
    Qty in Cart: 0
    Price:
    $12.72
    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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