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Kenworth T300-T450 Parts

Shop heavy-duty mechanical replacement parts designed to fit the Kenworth T300 (1995 - 2007) and Kenworth T450 (1989 - 1997). Order precision-fit, quick-to-ship aftermarket truck parts to minimize downtime. Customize the look of your medium-duty vocational truck with our selection of exterior and interior chrome accessories, or outfit the frame rail with toolboxes, fuel tanks, and more.
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  • Upper Rear Shock Bracket Replaces 57322003, 57322-003 For Hendrickson Suspension

    Upper Rear Shock Bracket Replaces 57322003, 57322-003 For Hendrickson Suspension

    AFTERMARKET

    $39.57
    Hendrickson Suspension Upper Rear Shock BracketSecure your rear suspension with a shock bracket engineered for strength and reliability. This high-quality Upper Rear Shock Bracket for Hendrickson...
    29-05250039
    SKU:
    29-05250039
    Position:
    Upper
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $39.57
    Qty in Cart: 0
    Price:
    $39.57
    Subtotal:
  • 15 X 4 Inch Brake Kit Replaces E4702KITB, E4702KT, E9064, E9064SHD, CQ65642, KIT8824HD, MKT4702KT, R508824, 66A

    15 X 4 Inch Brake Kit Replaces E4702KITB, E4702KT, E9064, E9064SHD, CQ65642, KIT8824HD, MKT4702KT, R508824, 66A

    AUTOMANN USA

    $17.81
    Brake Kit For 15 Inch x 4 Inch Unlined Brake ShoesKeep your brakes operating at peak efficiency with this 15 X 4 Inch Brake Kit. Complete kit includes rollers, anchor pins, bushings, coil springs,...
    29-05170021
    SKU:
    29-05170021
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $17.81
    Qty in Cart: 0
    Price:
    $17.81
    Subtotal:
  • Spigot Cap Replaces 260002, E4680, R304680 For Chalmers Suspension

    Spigot Cap Replaces 260002, E4680, R304680 For Chalmers Suspension

    AFTERMARKET

    $81.99
    0.75 Inch ID X 3.75 Inch OD Spigot CapMaintain proper alignment and prevent premature wear with a premium spigot cap. Designed for Chalmers suspension systems, this replacement part fits 260002,...
    29-05250028
    SKU:
    29-05250028
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $81.99
    Qty in Cart: 0
    Price:
    $81.99
    Subtotal:
  • Pivot Bushing Kit Replaces 0095061, R0095061

    Pivot Bushing Kit Replaces 0095061, R0095061

    AUTOMANN USA

    $758.99
    Pivot Bushing Used On Hendrickson Turner Lift AxleBring worn pivot points back to proper working condition with a complete bushing kit. This high-quality replacement kit includes all required...
    29-05200033
    SKU:
    29-05200033
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $758.99
    Qty in Cart: 0
    Price:
    $758.99
    Subtotal:
  • 2.25 Inch U- Joint Replaces 150635R91, 150635R92, 5092X, 592X, 5-92X

    2.25 Inch U- Joint Replaces 150635R91, 150635R92, 5092X, 592X, 5-92X

    AUTOMANN USA

    $21.61
    2.25 Inch U- Joint- L6N SeriesEnsure smooth and efficient driveline operation with a U-joint engineered for heavy-duty use. This 2.25 Inch U-Joint, L6N series with inside snap ring design, includes a...
    29-05210000
    SKU:
    29-05210000
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $21.61
    Qty in Cart: 0
    Price:
    $21.61
    Subtotal:
  • 16.5 X 7 Inch Brake Kit Replaces E10244, E4709EX, CQ65477, MKT4709ES2, R507064

    16.5 X 7 Inch Brake Kit Replaces E10244, E4709EX, CQ65477, MKT4709ES2, R507064

    AUTOMANN USA

    $8.55
    Brake Kit For Eaton 16.5 Inch x 7 Inch BrakesEnsure smooth and reliable brake operation with this 16.5 X 7 Inch Brake Kit for Eaton brakes. Featuring two rollers, two springs, a larger spring, and...
    29-051700026
    SKU:
    29-051700026
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $8.55
    Qty in Cart: 0
    Price:
    $8.55
    Subtotal:
  • King Pin Kit Replaces 15585841, 370904088, 370905022, 597258C91, 85125838, KIT1312, KP2748, KPK1116, R201312, R201339, SP621590, SRK-105, V1110083 For International, Chevrolet/GMC

    King Pin Kit Replaces 15585841, 370904088, 370905022, 597258C91, 85125838, KIT1312, KP2748, KPK1116, R201312, R201339, SP621590, SRK-105, V1110083 For International, Chevrolet/GMC

    AFTERMARKET

    $331.99
    King Pin Kit W/ 1.999 X 11.21 Inch King Pin & Composite BushingsOptimize your truck's steering system with this King Pin Kit. This kit includes opposite double draw key king pins, composite bushings,...
    29-05200009
    SKU:
    29-05200009
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $331.99
    Qty in Cart: 0
    Price:
    $331.99
    Subtotal:
  • King Pin Kit Replaces 003200, 1400738, R-003200, 003270, 1145696, R-003270 For Hendrickson Aux Suspension Systems

    King Pin Kit Replaces 003200, 1400738, R-003200, 003270, 1145696, R-003270 For Hendrickson Aux Suspension Systems

    AFTERMARKET

    $497.99
    King Pin Kit W/ 1.810 X 9.570 Inch King Pin & Bi-Metal BushingsSteering control and suspension longevity start with properly fitted king pins. This Hendrickson auxiliary suspension king pin kit...
    29-05200012
    SKU:
    29-05200012
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $497.99
    Qty in Cart: 0
    Price:
    $497.99
    Subtotal:
  • King Pin Kit Replaces 010300, 1469753, R010300, R-010300 For Hendrickson Aux Suspension Systems

    King Pin Kit Replaces 010300, 1469753, R010300, R-010300 For Hendrickson Aux Suspension Systems

    AFTERMARKET

    $528.99
    King Pin Kit W/ 1.813 X 9.55 Inch King Pin & Bi-Metal BushingsUpgrade worn suspension components with a king pin kit engineered for precision and strength. This kit for Hendrickson auxiliary...
    29-05200011
    SKU:
    29-05200011
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $528.99
    Qty in Cart: 0
    Price:
    $528.99
    Subtotal:
  • 16.50 X 7.00 Inch 20K Brake Shoe Box Kit

    16.50 X 7.00 Inch 20K Brake Shoe Box Kit

    AFTERMARKET

    $164.99
    20K Brake Shoe Box Kit- 16.50 X 7.00 InchHeavy loads demand braking components that won't back down. This 16.50 x 7.00 Inch Brake Shoe Box Kit is engineered for 20K axle applications and includes two...
    29-05170024
    SKU:
    29-05170024
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $164.99
    Qty in Cart: 0
    Price:
    $164.99
    Subtotal:
  • 6 Inch Slack Adjuster- Haldex Self-Setting Type Replaces E11924, 40920025, 40020214, 569640020214, M808001

    6 Inch Slack Adjuster- Haldex Self-Setting Type Replaces E11924, 40920025, 40020214, 569640020214, M808001

    AFTERMARKET

    $155.99
    6 Inch Automatic Haldex Self-Setting Type- 1.625 Inch-37 SplineAchieve precise braking control with this 6 Inch Slack Adjuster - Haldex Self-Setting Type. Designed for Fruehauf trailer axles with 16...
    29-05170025
    SKU:
    29-05170025
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $155.99
    Qty in Cart: 0
    Price:
    $155.99
    Subtotal:
  • 6 Inch Slack Adjuster- Gunite Type Replaces E15056, AS1173, SA11903, 25QD419P4, 20714928

    6 Inch Slack Adjuster- Gunite Type Replaces E15056, AS1173, SA11903, 25QD419P4, 20714928

    AFTERMARKET

    $98.99
    6 Inch Automatic Gunite Type Slack Adjuster- 1.50 Inch-28 SplineAchieve smooth, automatic brake adjustment with this 6 Inch Slack Adjuster - Gunite Type. Engineered for welded clevis chambers with 1...
    29-05170019
    SKU:
    29-05170019
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $98.99
    Qty in Cart: 0
    Price:
    $98.99
    Subtotal:
  • Bushing Tool Replaces AL800089, 8080089, 34013087L, 34013088, 34013088L For Hendrickson Suspension

    Bushing Tool Replaces AL800089, 8080089, 34013087L, 34013088, 34013088L For Hendrickson Suspension

    AFTERMARKET

    $905.99
    Hendrickson Suspension Bushing ToolEnsure efficient suspension service with this high-quality Bushing Tool for Hendrickson, replacing AL800089, 8080089, 34013087L, 34013088, and 34013088L. Compatible...
    29-05100270
    SKU:
    29-05100270
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $905.99
    Qty in Cart: 0
    Price:
    $905.99
    Subtotal:
  • 16.50 X 5.00 Inch Brake Drum Replaces 9002X, 2603638C1, 53-123627-002, 53-123816-002, 53123627002, 53123816002, 600001

    16.50 X 5.00 Inch Brake Drum Replaces 9002X, 2603638C1, 53-123627-002, 53-123816-002, 53123627002, 53123816002, 600001

    AFTERMARKET

    $433.99
    16.50 X 5.00 Inch 10 Hole Brake DrumKeep your brakes performing at their best with this 16.50 X 5.00 Inch Brake Drum. Built with a steel shell, fused gray iron liner, and ten 1.28-inch bolt holes,...
    29-05170015
    SKU:
    29-05170015
    Product Type:
    Frame & Chassis
    Material Options:
    Steel
    Make:
    Universal Items
    $433.99
    Qty in Cart: 0
    Price:
    $433.99
    Subtotal:
  • 16.50 X 7.00 Inch 23K Brake Shoe Box Kit

    16.50 X 7.00 Inch 23K Brake Shoe Box Kit

    AFTERMARKET

    $141.99
    23K Brake Shoe Box Kit- 16.50 X 7.00 InchAchieve reliable brake operation with this high-quality 16.50 X 7.00 Inch 23K Brake Shoe Box Kit. Kit components include dual-webbed brake shoes, 68 rivets,...
    29-05170016
    SKU:
    29-05170016
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $141.99
    Qty in Cart: 0
    Price:
    $141.99
    Subtotal:
  • 16.5 Inch Brake Kit Replaces E2769HD, E4515QHD, S21183, 8000HD, R508001BK, 4515Q

    16.5 Inch Brake Kit Replaces E2769HD, E4515QHD, S21183, 8000HD, R508001BK, 4515Q

    AUTOMANN USA

    $14.90
    Brake Kit For Meritor 16.5 Inch Q BrakesKeep your truck stopping safely with this durable 16.5 Inch Brake Kit. Built for Meritor 16.5 Inch Q Brakes, it includes rollers, anchor pins, anchor pin...
    29-051700025
    SKU:
    29-051700025
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $14.90
    Qty in Cart: 0
    Price:
    $14.90
    Subtotal:
  • Height Control Valve Replaces 59899000, 59899000L, 20QE4165AM, 20QE4165M, 25168691

    Height Control Valve Replaces 59899000, 59899000L, 20QE4165AM, 20QE4165M, 25168691

    AUTOMANN USA

    $55.99
    Height Control Valve- 90 PSI Working Pressure, 130 PSI Maximum PressureTake control of your truck's suspension with this high-quality Height Control Valve. Complete with dump valve and hose, it...
    29-05100586
    SKU:
    29-05100586
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
    Subtotal:
  • Center Bushing Kit Replaces 30437, 30437000, 30437-000 For Hendrickson Suspension

    Center Bushing Kit Replaces 30437, 30437000, 30437-000 For Hendrickson Suspension

    AFTERMARKET

    $748.99
    Center Bushing KitRestore the integrity of your Hendrickson suspension with this high-quality Center Bushing Kit. Designed to replace 30437, 30437000, and 30437-000, it services two beams and...
    29-05100218
    SKU:
    29-05100218
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $748.99
    Qty in Cart: 0
    Price:
    $748.99
    Subtotal:
  • Torque Rod Frame Bracket Replaces 800057, 1515965C1, 5HR709 For Chalmers Suspension

    Torque Rod Frame Bracket Replaces 800057, 1515965C1, 5HR709 For Chalmers Suspension

    AFTERMARKET

    $209.99
    6.875 X 3.25 Inch Torque Rod Frame Bracket W/ 2.60 Inch Frame Hole & 0.80 Inch Bolt HolesReinforce your suspension system with this heavy-duty Torque Rod Frame Bracket for Chalmers suspension...
    29-05100295
    SKU:
    29-05100295
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $209.99
    Qty in Cart: 0
    Price:
    $209.99
    Subtotal:
  • Alignment Puck Replaces 90001395 For Neway ADZ Series Suspension

    Alignment Puck Replaces 90001395 For Neway ADZ Series Suspension

    AUTOMANN USA

    $12.72
    1.181 Inch ID X 3.937 Inch OD Alignment PuckMaintain perfect alignment in your ADZ Series suspension with this high-quality Alignment Puck for Neway, a direct replacement for 90001395. Featuring a 1...
    29-05100335
    SKU:
    29-05100335
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $12.72
    Qty in Cart: 0
    Price:
    $12.72
    Subtotal:
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Adding your products to cart

Aftermarket Parts for Kenworth T300 & T450 Trucks

We stock hundreds of critical repair and replacement parts for the T300 and classic T450 model. Our goal is to get you the hardware that’ll maintain your vocational Kenworth truck for years to come. Whether you need engine-cooling components, HVAC parts, air brake replacements, or suspension hardware parts, they’re all available for purchase and ready to ship out of our 30,000-square-foot warehouse.

Kenworth T300 Parts & Accessories

Exterior Upgrades & Chrome: Blind-mount front bumpers, grilles, LED cab lights, mirrors, visors, and hood trim accents. Interior Cab Customizations: Floor trim accessories, gauge panel trim, air brake dash knobs, and cab roof trim upgrades. Mechanical & System Replacements: Larger diesel fuel tanks, suspension components, engine parts, and brake components.

Kenworth T450 Parts & Accessories

Bumpers & Exterior Dressings: Custom front bumpers, OEM and Texas-style bumper options, stainless steel or chrome finishes, grilles, and cab lighting. Dash Accessories & Trim: Interior panel upgrades, custom dash knobs, floor trim kits, and driver-focused cabin accents. Drivetrain & Replacement Components: High-capacity fuel storage upgrades, system replacement parts, and reliable mechanical hardware.

Why Upgrade Your Kenworth Medium-Duty Rig?

Boost Visual Appeal: Chrome cab lights, bold grille inserts, and custom bumpers give your truck a clean, head-turning look on the road or at the dock. Improve Cab Comfort: Add floor trim kits, updated door panels, and dash accessories to create a more comfortable, driver-friendly workspace. Increase Efficiency: Larger fuel storage capacity and ergonomic fuel tank accessories give you more range between fuel stops—perfect for regional hauls or long shifts. Cost-Effective Replacements: Get high-quality parts at a better price than many OEM options, all with reliable fit and function. Custom Options: Choose from multiple finishes, materials, and configurations to match your style and how you use your truck.

Frequently Asked Questions About Kenworth T300-T450 Parts

What year models are compatible with your T300-T450 bumpers and parts?

Our Kenworth T300-T450 parts typically fit models from 1994 through 2008, when these trucks were in production. However, compatibility can vary by specific part. The T300 was produced from 1994-2007, while the T330 and T440 ran through 2008. Always check the product description for exact year ranges, or contact our team with your OEM number for guaranteed fitment verification.

Are your bumpers made from chrome-plated steel or stainless steel, and which is better for my truck?

We offer both chrome-plated steel and polished stainless steel options. Chrome-plated bumpers provide a mirror-like finish at a lower cost but require regular maintenance to prevent rust and pitting. Stainless steel bumpers cost more upfront but resist corrosion better and maintain their appearance with minimal care. For trucks in harsh weather conditions or coastal areas, we recommend stainless steel. For show trucks or mild climates, chrome-plated options work well with proper maintenance.

Do I need special tools or professional installation for T300-T450 bumpers?

Most bumper installations require basic hand tools including socket sets, wrenches, and possibly a drill for certain accessories. The bumper itself typically weighs 40-80 pounds, so having a helper is strongly recommended. Installation usually takes 2-4 hours depending on whether you're adding accessories like fog lights or tow hooks. While many customers successfully install bumpers themselves, some prefer professional installation, especially when adding electrical components or dealing with rusted mounting brackets.

Will aftermarket bumpers affect my truck's approach angle or ground clearance?

Standard replacement bumpers maintain factory dimensions and won't affect approach angles or clearance. However, heavy-duty bumpers with integrated tow hooks or extended designs may protrude 2-4 inches further than stock, potentially reducing approach angle. Texas-style bumpers and some custom options sit lower, which can reduce ground clearance by 1-2 inches. Always check product specifications for exact measurements to ensure the bumper meets your operational needs.

What's the difference between OEM-style and Texas bumpers for T300-T450 trucks?

OEM-style bumpers replicate the factory design with standard mounting points and original dimensions, making them direct replacements. Texas bumpers (also called Texas square bumpers) feature a distinctive squared-off design that extends further from the truck and sits lower, offering enhanced protection and a custom appearance. Texas bumpers typically include more mounting points for accessories but may require slight modifications to air lines or other components during installation.


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