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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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  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Air Bag Bracket Replaces 3897, 6030, WC13583897, 2012301

    Air Bag Bracket Replaces 3897, 6030, WC13583897, 2012301

    AUTOMANN USA

    $19.08
    3.00 X 2.44 Inch Air Bag Bracket W/ 0.59 Inch Mounting HoleDesigned for durability and performance, this Air Bag Bracket ensures rear suspension stability on Reyco/Transpro-equipped trucks. It helps...
    29-05100195
    SKU:
    29-05100195
    Product Type:
    Frame & Chassis
    Width Options:
    3 Inch
    Make:
    Universal Items
    $19.08
    Qty in Cart: 0
    Price:
    $19.08
    Subtotal:
  • Front Of Rear Hanger Replaces E9386, E-9386, 4C4O5340NA, 4C4Z5340NA, 58425001, 58425-001, R309386 For Hendrickson Suspension

    Front Of Rear Hanger Replaces E9386, E-9386, 4C4O5340NA, 4C4Z5340NA, 58425001, 58425-001, R309386 For Hendrickson Suspension

    AFTERMARKET

    $179.99
    Front Of Rear Hanger For HAS, HFS, HTS SeriesPut stability back into your suspension system with this Front of Rear Hanger engineered for Hendrickson HAS, HFS, and HTS series applications. This...
    29-05100187
    SKU:
    29-05100187
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $179.99
    Qty in Cart: 0
    Price:
    $179.99
    Subtotal:
  • Load Spring Replaces 15002, E4685, 1515962C1, 25164984, 4QK3366, R304685, 5HR706 For Chalmers Suspension

    Load Spring Replaces 15002, E4685, 1515962C1, 25164984, 4QK3366, R304685, 5HR706 For Chalmers Suspension

    AFTERMARKET

    $293.99
    9.50 X 8.00 Inch Load Spring W/ 2 Inch Bolt SizeThis premium Load Spring is designed for Chalmers suspension systems, supporting 40K to 58K lbs series applications. Replacing OEM numbers 15002,...
    29-05100167
    SKU:
    29-05100167
    Height Options:
    8 Inch
    Diameter Options:
    9 1/2 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $293.99
    Qty in Cart: 0
    Price:
    $293.99
    Subtotal:
  • Auxiliary Spring Plate Replaces 59191, 591911, 59191000, 59191-000, 59191001, 59191-001, 2586425C1 For Hendrickson HAULMAXX Suspension

    Auxiliary Spring Plate Replaces 59191, 591911, 59191000, 59191-000, 59191001, 59191-001, 2586425C1 For Hendrickson HAULMAXX Suspension

    AFTERMARKET

    $53.99
    Auxiliary Spring PlatePut strength back into your suspension setup with this high-quality Auxiliary Spring Plate for Hendrickson HAULMAXX applications. This auxiliary plate helps support load balance...
    29-05100189
    SKU:
    29-05100189
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • Restrictor Can Replaces 373029, E7758, 3507134C1, 25171445, 61QK432, R307758 For Chalmers Suspension

    Restrictor Can Replaces 373029, E7758, 3507134C1, 25171445, 61QK432, R307758 For Chalmers Suspension

    AFTERMARKET

    $180.99
    11.625 X 5.125 X 0.173 Inch Restrictor CanMaintain superior heavy-duty suspension performance with this Chalmers Restrictor Can. Built for 20K, 700 Series trucks with a high center of gravity, it is...
    29-05100161
    SKU:
    29-05100161
    Product Type:
    Frame & Chassis
    Height Options:
    5 Inch
    Diameter Options:
    11 1/2 Inch
    Make:
    Universal Items
    $180.99
    Qty in Cart: 0
    Price:
    $180.99
    Subtotal:
  • Adapter Sleeve Replaces 45163, 45163000, 526000C1, 90001002, 3082229 For Holland/Neway Suspension

    Adapter Sleeve Replaces 45163, 45163000, 526000C1, 90001002, 3082229 For Holland/Neway Suspension

    AUTOMANN USA

    $18.50
    2.656 X 2.50 X 0.781 Inch Adapter SleeveThis Holland/Neway Adapter Sleeve is a reliable replacement for OEM parts 45163, 45163000, 526000C1, 90001002, and 3082229. Measuring 2.656 inches overall...
    29-05100144
    SKU:
    29-05100144
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $18.50
    Qty in Cart: 0
    Price:
    $18.50
    Subtotal:
  • Spigot Cap Replaces 800055, E7768, 1515967C1, 800055CS1, R307768, 5HR711 For Chalmers Suspension

    Spigot Cap Replaces 800055, E7768, 1515967C1, 800055CS1, R307768, 5HR711 For Chalmers Suspension

    AFTERMARKET

    $10.03
    2.375/ 4.531 Inch Spigot CapEnsure durable and reliable suspension performance with this high-quality Spigot Cap for Chalmers suspension systems. Designed to replace 800055, E7768, 1515967C1,...
    29-05100162
    SKU:
    29-05100162
    Diameter Options:
    4 1/2 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $10.03
    Qty in Cart: 0
    Price:
    $10.03
    Subtotal:
  • Hanger W/ 0.91 Inch Offset Replaces E7569, 48598002, 48598-002, 57594002, 57594-002, 57594002L, 57594-002L, 25037416 For Hendrickson Suspension Systems

    Hanger W/ 0.91 Inch Offset Replaces E7569, 48598002, 48598-002, 57594002, 57594-002, 57594002L, 57594-002L, 25037416 For Hendrickson Suspension Systems

    AFTERMARKET

    $137.99
    Hanger W/ 0.91 Inch Offset Used On U/UE/RU/RUE/RT/RTE Series Drive AxleEngineered for precision and strength, this Hendrickson Hanger with a 0.91-inch offset fits U/UE/RU/RUE/RT/RTE series drive...
    29-05100132
    SKU:
    29-05100132
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $137.99
    Qty in Cart: 0
    Price:
    $137.99
    Subtotal:
  • Hanger Replaces E9635A, E-9635A, 470763, 47076-3, 47076003, 47076-003, 485983, 48598-3, 48598003, 48598-003, 57584003, 57584-003, 575943, 57594-3, 57594003, 57594-003, R309635A For Hendrickson Suspension Systems

    Hanger Replaces E9635A, E-9635A, 470763, 47076-3, 47076003, 47076-003, 485983, 48598-3, 48598003, 48598-003, 57584003, 57584-003, 575943, 57594-3, 57594003, 57594-003, R309635A For Hendrickson Suspension Systems

    AFTERMARKET

    $146.99
    Hanger Used On RT/RTE Series Drive AxleRestore heavy-duty suspension reliability with this Hendrickson Hanger for RT/RTE series drive axles. It is engineered with horizontal center-to-center...
    29-05100131
    SKU:
    29-05100131
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $146.99
    Qty in Cart: 0
    Price:
    $146.99
    Subtotal:
  • King Pin Kit Replaces 1008431, R200267 For Dana & Spicer Suspension Systems

    King Pin Kit Replaces 1008431, R200267 For Dana & Spicer Suspension Systems

    AFTERMARKET

    $296.99
    King Pin Kit W/ 1.625 X 9.20 Inch King Pin & Composite BushingsRestore your Dana & Spicer suspension system with this King Pin Kit. Kit includes single draw key king pins, composite bushings,...
    29-05090170
    SKU:
    29-05090170
    Diameter Options:
    1 1/2 Inch
    Length Options:
    9 1/16 Inch
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $296.99
    Qty in Cart: 0
    Price:
    $296.99
    Subtotal:
  • King Pin Kit Replaces R201609 For Meritor Suspension Systems

    King Pin Kit Replaces R201609 For Meritor Suspension Systems

    AFTERMARKET

    $248.99
    King Pin Kit W/ 1.794 X 9.016 Inch King Pin & Composite BushingsRestore your Meritor suspension system with this comprehensive King Pin Kit. The kit includes opposite double draw key king pins,...
    29-05090064
    SKU:
    29-05090064
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $248.99
    Qty in Cart: 0
    Price:
    $248.99
    Subtotal:
  • King Pin Kit Replaces 28345, ETN328345 For Eaton Suspension Systems

    King Pin Kit Replaces 28345, ETN328345 For Eaton Suspension Systems

    AFTERMARKET

    $430.99
    King Pin Kit W/ 1.873 X 9.06 Inch King Pin & Composite BushingsKeep your Eaton suspension operating efficiently with this high-quality King Pin Kit. Complete with single draw key king pins, composite...
    29-05090155
    SKU:
    29-05090155
    Diameter Options:
    2 Inch
    Product Type:
    Frame & Chassis
    Length Options:
    9 Inch
    Position:
    Kit Full
    Make:
    Universal Items
    $430.99
    Qty in Cart: 0
    Price:
    $430.99
    Subtotal:
  • King Pin Kit Replaces R203018, 7014505, E1460 For Dana & Spicer Suspension Systems

    King Pin Kit Replaces R203018, 7014505, E1460 For Dana & Spicer Suspension Systems

    AUTOMANN USA

    $354.99
    King Pin Kit W/ 1.87 X 9.07 Inch King Pin & Pre-Sized No-Ream Bi-Metal BushingsTake control of your heavy-duty suspension system with this Dana & Spicer King Pin Kit. This kit comes complete with...
    29-05090166
    SKU:
    29-05090166
    Diameter Options:
    2 Inch
    Product Type:
    Frame & Chassis
    Length Options:
    9 Inch
    Position:
    Kit Full
    Make:
    Universal Items
    $354.99
    Qty in Cart: 0
    Price:
    $354.99
    Subtotal:
  • Rear Of Front Hanger W/ Silent Block Replaces B111023, B11-1023, B111091002, B11-1091002 For Kenworth, Peterbilt

    Rear Of Front Hanger W/ Silent Block Replaces B111023, B11-1023, B111091002, B11-1091002 For Kenworth, Peterbilt

    AFTERMARKET

    $115.99
    3.94 X 6.00 Inch Rear Of Front Hanger W/ 7.5 X 4.063 X 2.077 Inch Silent BlockBuilt for durability and ride comfort, this Rear Of Front Hanger W/ Silent Block for Kenworth and Peterbilt trucks...
    29-05090136
    SKU:
    29-05090136
    Product Type:
    Frame & Chassis
    Make:
    Kenworth
    Make:
    Peterbilt
    $115.99
    Qty in Cart: 0
    Price:
    $115.99
    Subtotal:
  • King Pin Kit Replaces 331435 For Dana & Spicer Suspension Systems

    King Pin Kit Replaces 331435 For Dana & Spicer Suspension Systems

    AFTERMARKET

    $404.99
    King Pin Kit W/ 2.045 X 10.07 Inch King Pin & Composite BushingsEnsure smooth steering and reliable suspension with this King Pin Kit for Dana & Spicer systems, replacing part 331435. The kit...
    29-05090059
    SKU:
    29-05090059
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $404.99
    Qty in Cart: 0
    Price:
    $404.99
    Subtotal:
  • Rear Of Front Hanger W/ Silent Block Replaces B111023, B11-1023, B111091001, B11-1091001, B116011, B11-6011 For Kenworth, Peterbilt

    Rear Of Front Hanger W/ Silent Block Replaces B111023, B11-1023, B111091001, B11-1091001, B116011, B11-6011 For Kenworth, Peterbilt

    AFTERMARKET

    $134.99
    3.94 X 6.00 Inch Rear Of Front Hanger W/ 6.688 X 4.063 X 2.077 Inch Silent BlockThis Rear Of Front Hanger W/ Silent Block is engineered for Kenworth and Peterbilt trucks. Designed for left and right...
    29-05090130
    SKU:
    29-05090130
    Product Type:
    Frame & Chassis
    Make:
    Kenworth
    Make:
    Peterbilt
    $134.99
    Qty in Cart: 0
    Price:
    $134.99
    Subtotal:
  • King Pin Kit Replaces 328343 For Eaton Suspension Systems

    King Pin Kit Replaces 328343 For Eaton Suspension Systems

    AFTERMARKET

    $432.99
    King Pin Kit W/ 1.873 X 9.07 Inch King Pin & Bi-Metal BushingsThis high-quality Eaton King Pin Kit ensures smooth, reliable suspension performance. The kit includes single draw key king pins,...
    29-05090154
    SKU:
    29-05090154
    Product Type:
    Frame & Chassis
    Diameter Options:
    1 1/2 Inch
    Length Options:
    9 Inch
    Make:
    Universal Items
    $432.99
    Qty in Cart: 0
    Price:
    $432.99
    Subtotal:
  • King Pin Kit Replaces 700040, 700040-KIT For Ingersoll/IMT Axle Kits

    King Pin Kit Replaces 700040, 700040-KIT For Ingersoll/IMT Axle Kits

    AFTERMARKET

    $481.99
    King Pin Kit W/ 2.248 X 11.30 Inch King Pin & Bronze BushingsKeep your Ingersoll or IMT axle system performing at its best with this King Pin Kit. Includes opposite double draw key king pins, bronze...
    29-05090055
    SKU:
    29-05090055
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $481.99
    Qty in Cart: 0
    Price:
    $481.99
    Subtotal:
  • King Pin Kit Replaces 328347, ETN328347 For Dana & Spicer Suspension Systems

    King Pin Kit Replaces 328347, ETN328347 For Dana & Spicer Suspension Systems

    AFTERMARKET

    $315.99
    King Pin Kit W/ 1.873 X 9.07 Inch King Pin & Bi-Metal BushingsBuilt for long-lasting performance, this King Pin Kit is a perfect solution for Dana & Spicer suspension systems. It includes same side...
    29-05090061
    SKU:
    29-05090061
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $315.99
    Qty in Cart: 0
    Price:
    $315.99
    Subtotal:
  • King Pin Kit Replaces 2505494C91, 8889361440, 88936144, R201319, R201471 For Dana, Spicer & Ridewell Suspension Systems

    King Pin Kit Replaces 2505494C91, 8889361440, 88936144, R201319, R201471 For Dana, Spicer & Ridewell Suspension Systems

    AFTERMARKET

    $323.99
    King Pin Kit W/ 1.794 X 10.41 Inch King Pin & Composite BushingsUpgrade or rebuild your Dana, Spicer, or Ridewell suspension system with this high-quality King Pin Kit. Includes opposite side double...
    29-05090058
    SKU:
    29-05090058
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $323.99
    Qty in Cart: 0
    Price:
    $323.99
    Subtotal:
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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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