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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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    Air Dryer Cartridge World American AD-IS Standard Design Replaces 170.800383, 3625-823-C

    Air Dryer Cartridge World American AD-IS Standard Design Replaces 170.800383, 3625-823-C

    AFTERMARKET

    $430.99
    Air Dryer Cartridge 1/4 Inch Accessory & Suspension Ports W/O Service Port* High Quality Air Dryer Cartridge* World American AD-IS Standard Cartridge Design* 12V DC, 90 W* 1/4 Inch Accessory And...
    09-05170466
    SKU:
    09-05170466
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $430.99
    Qty in Cart: 0
    Price:
    $430.99
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    Air Dryer Cartridge Complete SS1200UP Type Coalescing Replaces 20935355, 20991972

    Air Dryer Cartridge Complete SS1200UP Type Coalescing Replaces 20935355, 20991972

    AFTERMARKET

    $312.99
    Air Dryer Cartridge 12V DC & 100W* High Quality Air Dryer Cartridge* Complete SS1200UP Type Coalescing Air Dryer Assembly* 12V DC, 100W* Uses External Purge Tank, And Uses The Discharge Line For...
    09-05170465
    SKU:
    09-05170465
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $312.99
    Qty in Cart: 0
    Price:
    $312.99
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  • Stainless Steel Angled Bottom Mud Flap Weight 24 Inch Bolted

    Stainless Steel Angled Bottom Mud Flap Weight 24 Inch Bolted

    TRUX ACCESSORIES

    $52.99
    Bolted Angled Bottom Mud Flap Weight 24 Inch Stainless SteelAdd a polished, custom look to your truck with theStainless Steel Angled Bottom Mud Flap Weight 24 Inch Bolted. Crafted from durable...
    09-0507384
    SKU:
    09-0507384
    Product Type:
    Mud Flaps
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $52.99
    Qty in Cart: 0
    Price:
    $52.99
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  • FREE SHIPPING OVER $249
    Air Dryer Cartridge 7.388 X 7.28 Inch Replaces 170.65624K, 065624 For ADIP Type Air Dryer

    Air Dryer Cartridge 7.388 X 7.28 Inch Replaces 170.65624K, 065624 For ADIP Type Air Dryer

    AFTERMARKET

    $160.99
    Air Dryer Cartridge W/ O-Ring & Grease* High Quality Air Dryer Cartridge* Replacement Desiccant Cartridge For ADIP Type Air Dryer* 150 Lb Per Square Inch Max Operation Pressure* Includes:  -...
    09-05170471
    SKU:
    09-05170471
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $160.99
    Qty in Cart: 0
    Price:
    $160.99
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    Air Dryer Cartridge 6.45 X 5.35 Inch W/ Cartridge & O-Ring

    Air Dryer Cartridge 6.45 X 5.35 Inch W/ Cartridge & O-Ring

    AFTERMARKET

    $41.99
    6.45 X 5.35 Inch Air Dryer Cartridge W/ Cartridge & O-Ring* High Quality Air Dryer Cartridge* SG39 - 1.5 Threads* Desiccant Coalescing* 145 Lbs Max Operating Pressure Per Square Inch* Includes:  -...
    09-05170462
    SKU:
    09-05170462
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $41.99
    Qty in Cart: 0
    Price:
    $41.99
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  • Stainless Steel Angled Welded 24 Inch Bottom Mud Flap Weight

    Stainless Steel Angled Welded 24 Inch Bottom Mud Flap Weight

    TRUX ACCESSORIES

    $103.99
    24 Inch Angled Stainless Steel Welded Bottom Mud Flap WeightGive your truck's mud flaps a custom, polished appearance with theStainless Steel Angled Welded 24 Inch Bottom Mud Flap Weights. Designed...
    09-05070189
    SKU:
    09-05070189
    Product Type:
    Mud Flaps
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $103.99
    Qty in Cart: 0
    Price:
    $103.99
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  • FREE SHIPPING OVER $249
    Alcohol Evaporator 9.906 Inch W/ 2.5 C To C Bolt Hole Distance

    Alcohol Evaporator 9.906 Inch W/ 2.5 C To C Bolt Hole Distance

    AFTERMARKET

    $88.99
    Alcohol Evaporator W/ 1/2 Inch NPT Ports Replaces 3507884C, 3507884C91* High Quality Alcohol Evaporator* Alcohol Evaporator Automatic Vaporizing Device For Keeping Air Lines Free of Ice* (2) 1/2 Inch...
    09-05170467
    SKU:
    09-05170467
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $88.99
    Qty in Cart: 0
    Price:
    $88.99
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  • Chrome Steel Mud Flap Hangers 33 X 5.5 Inch W/ 2.5 Inch Bolt Spacing

    Chrome Steel Mud Flap Hangers 33 X 5.5 Inch W/ 2.5 Inch Bolt Spacing

    TRUX ACCESSORIES

    $264.99
    Mud Flap Hangers 33 X 5.5 Inch Chrome Steel W/ 2.5 Inch Bolt SpacingGive your truck a quality rear end upgrade with33 Inch Chrome Steel Mud Flap Hangers. Built from stainless steel, these high...
    09-05070191
    SKU:
    09-05070191
    Product Type:
    Mud Flaps
    Make:
    Universal Items
    $264.99
    Qty in Cart: 0
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    $264.99
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  • Smooth Aluminum Underbody Toolbox W/ Single Swing Door 60 X 24 X 24 Inch

    Smooth Aluminum Underbody Toolbox W/ Single Swing Door 60 X 24 X 24 Inch

    TPHD

    $919.99
    60 X 24 X 24 Inch Smooth Aluminum Underbody Toolbox W/ Single Swing Door* High Quality Underbody Toolbox* Made Of Aluminum* Smooth Finish* Lightweight Yet Durable Construction* Includes:  - Single...
    09-0201157
    SKU:
    09-0201157
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $919.99
    Qty in Cart: 0
    Price:
    $919.99
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    C Series Direct Mount Hydraulic Pump W/ Left Rotation & 13 Spline

    C Series Direct Mount Hydraulic Pump W/ Left Rotation & 13 Spline

    AFTERMARKET

    $723.99
    Direct Mount C Series Hydraulic Pump 49 GPM & 3000 PSI* High Quality Hydraulic Pump* Left Hand Rotation* Gear Pump With Air Shift* 49 GPM At 1800 RPM* 13 Input Spline* 3000 Max RPM* 2500 Max Working...
    09-02500272
    SKU:
    09-02500272
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $723.99
    Qty in Cart: 0
    Price:
    $723.99
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  • FREE SHIPPING OVER $249
    Purge Valve Kit W/ WABCO Type Design Replaces 0587-950014P, 170.950014

    Purge Valve Kit W/ WABCO Type Design Replaces 0587-950014P, 170.950014

    AFTERMARKET

    $9.99
    Purge Valve Kit W/ O-Rings, Washer, Shims & Spring* High Quality Purge Valve Kit* WABCO Type Design* Compatible With SS1200/1800, SS1200 Plus Type Air Dryers (Not Included)* Includes:  - O-Rings  -...
    09-05170463
    SKU:
    09-05170463
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $9.99
    Qty in Cart: 0
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    $9.99
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  • 3/4 X 1 1/2 Inch Push On Pointed Nut Covers Chrome Plastic 100 Pack

    3/4 X 1 1/2 Inch Push On Pointed Nut Covers Chrome Plastic 100 Pack

    UNITED PACIFIC

    $62.99
    100 Pack Chrome Plastic Push On Pointed Nut Covers* High Quality Nut Cover* Made Of Injection Molded Plastic* Triple Chrome Plated Finish* Pointed Design* With Flange* Dimensions:  - 1.50 Inch...
    09-05060105
    SKU:
    09-05060105
    Product Type:
    Wheels
    Make:
    Universal Items
    $62.99
    Qty in Cart: 0
    Price:
    $62.99
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  • Smooth Aluminum Underbody Toolbox W/ Single Swing Door 24 X 24 X 24 Inch

    Smooth Aluminum Underbody Toolbox W/ Single Swing Door 24 X 24 X 24 Inch

    TPHD

    $659.99
    24 X 24 X 24 Inch Smooth Aluminum Underbody Toolbox W/ Single Swing Door* High Quality Underbody Toolbox* Made Of Aluminum* Smooth Finish* Lightweight Yet Durable Construction* Includes:  - Single...
    09-0201154
    SKU:
    09-0201154
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $659.99
    Qty in Cart: 0
    Price:
    $659.99
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  • Smooth Aluminum Underbody Toolbox W/ Single Swing Door 36 X 24 X 24 Inch

    Smooth Aluminum Underbody Toolbox W/ Single Swing Door 36 X 24 X 24 Inch

    TPHD

    $799.99
    36 X 24 X 24 Inch Smooth Aluminum Underbody Toolbox W/ Single Swing Door* High Quality Underbody Toolbox* Made Of Aluminum* Smooth Finish* Lightweight Yet Durable Construction* Includes:  - Single...
    09-0201155
    SKU:
    09-0201155
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $799.99
    Qty in Cart: 0
    Price:
    $799.99
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    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 5 Round 4 Inch Red LEDs, Clear Lens & Round Corners

    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 5 Round 4 Inch Red LEDs, Clear Lens & Round Corners

    TRUX ACCESSORIES

    $979.99
    Rear Center Panel 33.625 X 20 X 3.24 Inch Stainless Steel W/ 5 Round 4 Inch Red LEDs, Clear Lens & Round CornersEnhance your truck's rear lighting setup with theStainless Steel Rear Center Panel 33...
    09-01110124
    SKU:
    09-01110124
    Product Type:
    Bumpers
    Make:
    Universal Items
    $979.99
    Qty in Cart: 0
    Price:
    $979.99
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  • Chrome Angled Welded 24 Inch Bottom Mud Flap Weight

    Chrome Angled Welded 24 Inch Bottom Mud Flap Weight

    TRUX ACCESSORIES

    $28.71
    24 Inch Angled Chrome Welded Bottom Mud Flap WeightAdd a polished custom touch to your truck with theChrome Angled Welded 24 Inch Bottom Mud Flap Weight. Featuring durablechrome plated steel build,...
    09-05070188
    SKU:
    09-05070188
    Product Type:
    Mud Flaps
    Make:
    Universal Items
    $28.71
    Qty in Cart: 0
    Price:
    $28.71
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  • Smooth Aluminum Underbody Toolbox W/ Single Swing Door 48 X 24 X 24 Inch

    Smooth Aluminum Underbody Toolbox W/ Single Swing Door 48 X 24 X 24 Inch

    TPHD

    $869.99
    48 X 24 X 24 Inch Smooth Aluminum Underbody Toolbox W/ Single Swing Door* High Quality Underbody Toolbox* Made Of Aluminum* Smooth Finish* Lightweight Yet Durable Construction* Includes:  - Single...
    09-0201156
    SKU:
    09-0201156
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $869.99
    Qty in Cart: 0
    Price:
    $869.99
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    Stainless Steel Rear Center Panel W/ 4 Round 4 Inch & 6 Round 2 Inch LEDs

    Stainless Steel Rear Center Panel W/ 4 Round 4 Inch & 6 Round 2 Inch LEDs

    TRUX ACCESSORIES

    $430.99
    Rear Center Panel Stainless Steel W/ 4 Round 4 Inch & 6 Round 2 Inch LEDsGive your truck's rear end a bold, polished upgrade with the33.625-Inch Stainless Steel Rear Center Panel with 5 Round 4 Inch...
    09-01110121
    SKU:
    09-01110121
    Product Type:
    Bumpers
    Make:
    Universal Items
    $430.99
    Qty in Cart: 0
    Price:
    $430.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 4 Round 4 Inch Light Holes & Rounded Corners

    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 4 Round 4 Inch Light Holes & Rounded Corners

    TRUX ACCESSORIES

    $647.99
    Rear Center Panel 33.625 X 20 X 3.24 Inch Stainless Steel W/ 4 Round 4 Inch Light Holes & Rounded CornersComplete your truck's rear lighting setup with theStainless Steel Rear Center Panel with 5...
    09-01110120
    SKU:
    09-01110120
    Product Type:
    Bumpers
    Make:
    Universal Items
    $647.99
    Qty in Cart: 0
    Price:
    $647.99
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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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