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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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  • Black Fifth Wheel Pin Puller - 30.125 Inch

    Black Fifth Wheel Pin Puller - 30.125 Inch

    AUTOMANN USA

    $19.55
    Black 30.125 Inch Fifth Wheel Pin Puller* High Quality Pin Puller* Black* 30.125 Inch Length* For Fifth Wheel* Sold Individually* Warranty On Pin Pullers Against Defects In Workmanship & Material...
    09-05110028
    SKU:
    09-05110028
    Length Options:
    30 Inch
    Color:
    Black
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $19.55
    Qty in Cart: 0
    Price:
    $19.55
    Subtotal:
  • Transmission Spring Support Spacer 0.265 ID X 1.92 OD For Kenworth

    Transmission Spring Support Spacer 0.265 ID X 1.92 OD For Kenworth

    AUTOMANN USA

    $9.48
    0.30 Inch Thick Trans Spacer Replaces Dt1431, K221394108, E801012008, And E80-1012-008* High Quality Spacer* Dimensions: - 1.92 Inch O.D.  - 0.265 Inch I.D. - 0.30 Inch Thickness* Sold Individually *...
    02-05250001
    SKU:
    02-05250001
    Diameter Options:
    1/4 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $9.48
    Qty in Cart: 0
    Price:
    $9.48
    Subtotal:
  • Shock Mount Bracket 7-1/4 Inch CB to Eye For 1.0 Stud - Kenworth

    Shock Mount Bracket 7-1/4 Inch CB to Eye For 1.0 Stud - Kenworth

    AFTERMARKET

    $134.99
    Shock Bracket Replaces K324383* High Quality Shock Bracket* Dimensions: - 7-1/4 Inch CB To Eye - 10.25 Inch Length - 4.00 Inch Width* For 1.0 Stud* Has Nib 2.0 Inch Offset CB Hole* No Tow Eye* Made...
    02-05090009
    SKU:
    02-05090009
    Material Options:
    Steel
    Length Options:
    10 1/4 Inch
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $134.99
    Qty in Cart: 0
    Price:
    $134.99
    Subtotal:
  • Aluminum Spacer Block W/ Dowel 5.937 Inch For Kenworth T660 Front Axle

    Aluminum Spacer Block W/ Dowel 5.937 Inch For Kenworth T660 Front Axle

    AFTERMARKET

    $109.99
    Kenworth T660 Front Axle Spacer Block With Dowel Replaces B8010053040* High Quality Spacer Block* Aluminum* 5.937 Inch Length* Front Axle* With Dowel* Made In USA* Sold Individually * Warranty On...
    02-05090007
    SKU:
    02-05090007
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $109.99
    Qty in Cart: 0
    Price:
    $109.99
    Subtotal:
  • Steel Center Suspension Fame Bracket 21.25 Inch C To C For Kenworth W/ AG230 And AG460 Suspension

    Steel Center Suspension Fame Bracket 21.25 Inch C To C For Kenworth W/ AG230 And AG460 Suspension

    AFTERMARKET

    $1,676.99
    21.25 Inch C To C Center Suspension Frame Bracket* High Quality Frame Bracket* Steel* 21.25 Inch C To C* For Center Suspension* Made In USA* Sold Individually * Warranty On Frame Brackets Against...
    02-0510015
    SKU:
    02-0510015
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    $1,676.99
    Qty in Cart: 0
    Price:
    $1,676.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Hex Head Flange Bolt 5/8-11 X 1-3/4 Inch Grade 8

    Hex Head Flange Bolt 5/8-11 X 1-3/4 Inch Grade 8

    AUTOMANN USA

    Now: $0.96
    Was: $2.14
    Grade 8 Hex Head Flange Bolt W/ Coarse Pitch Replaces D85020415* High Quality Flange Bolt* Dimensions: - 5/8 Inch Bolt Diameter - 1-3/4 Inch Bolt Length* Bolt Type- Flanged Bolt* Thread- 11* Coarse...
    02-05250000
    SKU:
    02-05250000
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    Now: $0.96
    Was: $2.14
    Qty in Cart: 0
    Price:
    Now: $0.96
    Was: $2.14
    Subtotal:
  • Polished SS Front Drive Axle Filler Panels, 33x16 Inch W/ Front & Back Light Hole Options

    Polished SS Front Drive Axle Filler Panels, 33x16 Inch W/ Front & Back Light Hole Options

    IOWA CUSTOMS

    $771.99 - $898.99
    Enhance the look of your truck's rear suspension area with these polished stainless steel front drive axle filler panels measuring 33 by 16 inches. These aftermarket filler panels help create a...
    PPR_203869
    SKU:
    PPR_203869
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $771.99 - $898.99
    Qty in Cart: 0
    Price:
    $771.99 - $898.99
    Subtotal:
  • U Bolt Washers - 3/16 Inch Thick

    U Bolt Washers - 3/16 Inch Thick

    AUTOMANN USA

    $7.88 - $15.77
    Choose Option(s) to see description.5/8 Inch U Bolt Washer- 24 Pack1-1/4 OD X 5/8 ID U Bolt Washer Replaces 93900025, 9422850* High Quality U Bolt Washer* 5/8 Inch Bolt Size* 1-1/4 Inch Washer OD*...
    PPR_206117
    SKU:
    PPR_206117
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $7.88 - $15.77
    Qty in Cart: 0
    Price:
    $7.88 - $15.77
    Subtotal:
  • BESTfit Bar Pin Shims - 1.065 ID X 2 OD Inch For Hendrickson BP199E

    BESTfit Bar Pin Shims - 1.065 ID X 2 OD Inch For Hendrickson BP199E

    BESTFIT TRUCK PARTS

    $3.46 - $12.71
    Choose Option(s) to see description.Fitment** Verify Fitment Before Ordering **BESTfit Bar Pin Shim 1.065 ID X 2 OD Inch For Hendrickson BP199EBESTfit 0.195 Inch Thick Alignment Suspension Shim For...
    PPR_206199
    SKU:
    PPR_206199
    Truck Class:
    Universal
    Diameter Options:
    1 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $3.46 - $12.71
    Qty in Cart: 0
    Price:
    $3.46 - $12.71
    Subtotal:
  • Washer 1-1/8 ID x 4.0 OD For Neway

    Washer 1-1/8 ID x 4.0 OD For Neway

    AUTOMANN USA

    $4.41
    1/4 Inch Thick Washer - E4363, 2507716C1, R304363* High Quality Washer* 1-1/8 Inch ID* 4.0 Inch OD* 1/4 Inch Thickness* Washer Type- Washer* Sold Individually * Warranty On Washers Against Defects In...
    29-05250015
    SKU:
    29-05250015
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Diameter Options:
    1 Inch
    Make:
    Trailer
    Product Type:
    Frame & Chassis
    $4.41
    Qty in Cart: 0
    Price:
    $4.41
    Subtotal:
  • 4.375 Inch Rubber Torque Rod Bushing - Replaces 44695000, 227720 For Rear 4 Inch Spring

    4.375 Inch Rubber Torque Rod Bushing - Replaces 44695000, 227720 For Rear 4 Inch Spring

    AUTOMANN USA

    $32.59
    4.375 Inch C To C Torque Rod Bushing - Straddle Mount TypeKeep your rear suspension performing at its best with the 4.375 Inch Rubber Torque Rod Bushing. Designed for rear 4-inch springs, this...
    29-05100176
    SKU:
    29-05100176
    Length Options:
    4 3/16 Inch
    Material Options:
    Rubber
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $32.59
    Qty in Cart: 0
    Price:
    $32.59
    Subtotal:
  • Ultra Rod Plus Tube End W/ Female End, 1-13/16in Shaft, 8-9/16in Center to End - E2639

    Ultra Rod Plus Tube End W/ Female End, 1-13/16in Shaft, 8-9/16in Center to End - E2639

    AFTERMARKET

    $80.99
    Ultra Rod Plus Tube End W/ 1-13/16 Inch Shaft, 8-9/16 Inch Center to End, Female End, Side A - Straddle - E2639* High Quality Rod Plus Tube End* Includes  - (1) Ultra Rod Plus Tube End  - (1) Torque...
    29-05100172
    SKU:
    29-05100172
    Length Options:
    8 5/8 Inch
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $80.99
    Qty in Cart: 0
    Price:
    $80.99
    Subtotal:
  • 3.15 Inch Poly Torque Rod Bushing - 1 In ID

    3.15 Inch Poly Torque Rod Bushing - 1 In ID

    AUTOMANN USA

    $26.71
    Torque Rod Replaces D79, E10057, R3010057, 21238-01Rely on the 3.15 Inch Poly Torque Rod Bushing for long-lasting suspension performance. Featuring a 3.150-inch height and durable poly material, it...
    29-05100141
    SKU:
    29-05100141
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $26.71
    Qty in Cart: 0
    Price:
    $26.71
    Subtotal:
  • 7 Inch Axle Connect Bushing - 12932-01 For Watson & Chalin SL, STL, TL Series Axle

    7 Inch Axle Connect Bushing - 12932-01 For Watson & Chalin SL, STL, TL Series Axle

    AFTERMARKET

    $32.30
    7 Inch Axle Connect Beam Bushing Replaces 12932-01* High Quality Axle Connect Bushing* Dimensions: - 7.00 Inch Length - 2.445 Inch OD - 0.875 Inch ID* Made In USA* Sold Individually * Warranty On...
    29-05200004
    SKU:
    29-05200004
    Material Options:
    Plastic/Poly
    Length Options:
    7 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $32.30
    Qty in Cart: 0
    Price:
    $32.30
    Subtotal:
  • Lift Axle Radius Torque Rod Bolt Kit For Hendrickson Turner

    Lift Axle Radius Torque Rod Bolt Kit For Hendrickson Turner

    AFTERMARKET

    $82.99
    Torque Rod Kit Replaces 1288, 001288, R001288, 1139083The Lift Axle Radius Torque Rod Bolt Kit contains essential components for your suspension system, including Cap Screws, Lock Nuts, Delrin...
    29-05200006
    SKU:
    29-05200006
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $82.99
    Qty in Cart: 0
    Price:
    $82.99
    Subtotal:
  • BESTfit Torque Arm Bushing Kit Replaces TK19152, R309350 For Concentric Bolt - Reyco Granning

    BESTfit Torque Arm Bushing Kit Replaces TK19152, R309350 For Concentric Bolt - Reyco Granning

    BESTFIT TRUCK PARTS

    $34.06
    BESTfit Torque Arm Concentric Bolt Bushing Kit Replaces TK19152, R309350estore optimal suspension performance with the BESTfit Torque Arm Bushing Kit. This complete kit features two compression...
    29-05100083
    SKU:
    29-05100083
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $34.06
    Qty in Cart: 0
    Price:
    $34.06
    Subtotal:
  • 3 Inch Rubber Torque Rod Bushing Replaces PP005402 For Binkley Trailer

    3 Inch Rubber Torque Rod Bushing Replaces PP005402 For Binkley Trailer

    AUTOMANN USA

    $4.47
    Torque Rod Bushing Replaces 1367704, 0972901, 972901* High Quality Torque Rod Bushing* Rubber* 7/8 Inch ID* 1-15/16 Inch OD* 3.0 Inch Length * Sold Individually * Warranty On Torque Rod Bushings...
    29-05100173
    SKU:
    29-05100173
    Length Options:
    3 Inch
    Diameter Options:
    7/8 Inch
    Material Options:
    Rubber
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $4.47
    Qty in Cart: 0
    Price:
    $4.47
    Subtotal:
  • 4.375 Inch Rubber Torque Rod Bushing- Replaces E-5275 For Hendrickson

    4.375 Inch Rubber Torque Rod Bushing- Replaces E-5275 For Hendrickson

    AUTOMANN USA

    $19.65
    4.375 Inch C To C Torque Rod Bushing Replaces 13044, 47691000L, 40047691000L, 16156320Keep your Hendrickson suspension running smoothly with the 4.375 Inch Rubber Torque Rod Bushing. This...
    29-05100175
    SKU:
    29-05100175
    Truck Class:
    Heavy Duty
    Length Options:
    4 3/16 Inch
    Material Options:
    Rubber
    Make:
    Freightliner
    Make:
    Sterling
    Product Type:
    Frame & Chassis
    $19.65
    Qty in Cart: 0
    Price:
    $19.65
    Subtotal:
  • BESTfit Bolt & Bushing Kit - TK19175 For Reyco Granning

    BESTfit Bolt & Bushing Kit - TK19175 For Reyco Granning

    BESTFIT TRUCK PARTS

    $31.73
    BESTfit Bolt & Bushing Kit Replaces E3363, R303363, Tk19175* High Quality Bushing Kit* Includes:  - (1) Cap Screw, 5-1/2 Inch With 2 Inch Of 7/8 Inch - 9 Thread  - (1) Lock Nut Standard, 7/8 Inch - 9...
    29-05100079
    SKU:
    29-05100079
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $31.73
    Qty in Cart: 0
    Price:
    $31.73
    Subtotal:
  • 4.2 Inch Poly Torque Rod Bushing - Type 2 Spigot Joint - 2.563 In ID, 4.250 In OD

    4.2 Inch Poly Torque Rod Bushing - Type 2 Spigot Joint - 2.563 In ID, 4.250 In OD

    BESTFIT TRUCK PARTS

    $32.58
    Torque Rod Replaces D186, E7426, E-7426, Atrpl1046, R307426* High Quality Torque Rod Bushing* Dimensions  - 4.20 Inch Length - 2.563 Inch ID - 4.250 Inch OD* Standard Size * Type 2 Spigot Joint* Sold...
    29-05100151
    SKU:
    29-05100151
    Truck Class:
    Heavy Duty
    Diameter Options:
    2 1/2 Inch
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $32.58
    Qty in Cart: 0
    Price:
    $32.58
    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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