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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
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  • Price
  • Subtotal
  • FASS Fuel Filter Housing Delete For Cummins 6.7L Engine 2019 & Newer

    FASS Fuel Filter Housing Delete For Cummins 6.7L Engine 2019 & Newer

    FASS

    $63.99
    Fuel Filter Housing DeleteBuilt for performance and clean installation, the FASS Fuel Filter Housing Delete for 2019-2022 Ram 6.7L Cummins engines removes the factory engine-mounted fuel filter...
    29-070300014
    SKU:
    29-070300014
    Style Options:
    Cummins
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $63.99
    Qty in Cart: 0
    Price:
    $63.99
    Subtotal:
  • Class 3 Hi- Vis Waterproof Traffic Jacket

    Class 3 Hi- Vis Waterproof Traffic Jacket

    CCP

    $88.57
    Hi- Vis Waterproof Traffic JacketStay safe and visible on the job with the Class 3 Hi-Vis Waterproof Traffic Jacket, designed for demanding work environments where protection and visibility are...
    09-23000329
    SKU:
    09-23000329
    Color:
    Yellow
    Product Type:
    Apparel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $88.57
    Qty in Cart: 0
    Price:
    $88.57
    Subtotal:
  • FASS Fuel Filter Housing Delete For Cummins 5.9L/ 6.7L Engine 2003-2009

    FASS Fuel Filter Housing Delete For Cummins 5.9L/ 6.7L Engine 2003-2009

    FASS

    $90.99
    Fuel Filter Housing DeleteBuilt for strength and clean installation, the FASS Fuel Filter Housing Delete for 2003-2009 Ram trucks with 5.9L or 6.7L Cummins engines removes the factory engine-mounted...
    29-070300013
    SKU:
    29-070300013
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Make:
    Universal Items
    $90.99
    Qty in Cart: 0
    Price:
    $90.99
    Subtotal:
  • FASS Replacement Banjo Bolt Fittings For 24V Cummins

    FASS Replacement Banjo Bolt Fittings For 24V Cummins

    FASS

    $56.99
    Replacement Banjo BoltsRestore and improve fuel delivery with the FASS Replacement Banjo Bolt Fittings for 1998.5-2002 Dodge 5.9L 24V Cummins engines. Designed for a direct bolt-on installation, it...
    29-070300010
    SKU:
    29-070300010
    Style Options:
    Cummins
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • Center Console W/ Dual Cup Holders And Storage Area - 20 X 12.5 X 12 Inch For Day Cab

    Center Console W/ Dual Cup Holders And Storage Area - 20 X 12.5 X 12 Inch For Day Cab

    SPARETIME FAB

    $484.99
    20 X 12.5 X 12 Inch Center Console W/ Dual Cup Holders And Storage Fits Trucks W/ Manual & Automatic TransmissionsUpgrade your cab organization and comfort with this high-quality day cab center...
    09-151300172
    SKU:
    09-151300172
    Length Options:
    20 Inch
    Width Options:
    12 1/2 Inch
    Location:
    Made In USA
    Color:
    Black
    Material Options:
    Wood
    Height Options:
    12 1/2 Inch
    Product Type:
    Interior
    Make:
    Universal Items
    $484.99
    Qty in Cart: 0
    Price:
    $484.99
    Subtotal:
  • FASS Steel Pickup Frame Clamp Bracket Works W/ Titanium & Signature Series

    FASS Steel Pickup Frame Clamp Bracket Works W/ Titanium & Signature Series

    FASS

    $76.99
    Steel Pickup Frame Clamp Bracket Works W/ Titanium & Signature SeriesSecure your fuel system with the FASS Steel Pickup Frame Clamp Bracket designed for Titanium Series and Signature Series fuel...
    29-070300011
    SKU:
    29-070300011
    Product Type:
    Cargo Control
    Style Options:
    Heavy Duty
    Make:
    Universal Items
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    Subtotal:
  • Fiberglass Project One Double Hump Fender Set 38 Inch Drop W/ 5.5 Inch Lip For 52 & 54 Inch Axle Spread

    Fiberglass Project One Double Hump Fender Set 38 Inch Drop W/ 5.5 Inch Lip For 52 & 54 Inch Axle Spread

    BAD ASS CUSTOM TRUCK PARTS

    $1,339.99
    Project One Double Hump Fender Set Fiberglass 38 Inch Drop W/ 5.5 Inch Lip Fits 52 & 54 Inch Axle SpreadBuilt for durability and standout styling, the Fiberglass Project One Double Hump Fender Set...
    09-110404004
    SKU:
    09-110404004
    Finish Options:
    Paintable
    Length Options:
    106 Inch
    Material Options:
    Fiberglass
    Product Type:
    Rear Fenders
    Height Options:
    38 Inch
    Style Options:
    Double Hump
    Position:
    Rear
    Location:
    Made In USA
    Make:
    Universal Items
    $1,339.99
    Qty in Cart: 0
    Price:
    $1,339.99
    Subtotal:
  • Bostrom Gray Mordura Cloth High Back Seat W/ Hi- Pro, Dual Armrests & Standard Air

    Bostrom Gray Mordura Cloth High Back Seat W/ Hi- Pro, Dual Armrests & Standard Air

    BOSTROM TRUCK SEATS

    $917.99
    Gray Mordura Cloth High Back Seat W/ Hi- Pro, Dual Armrests & Standard Air By BostromEnhance driver comfort and support with the Bostrom Gray Mordura Cloth High Back Seat with Hi-Pro, engineered for...
    2339252552
    SKU:
    2339252552
    Material Options:
    Cloth
    Style Options:
    High Back
    Product Type:
    Seats
    Color:
    Gray
    Make:
    Universal Items
    $917.99
    Qty in Cart: 0
    Price:
    $917.99
    Subtotal:
  • Rubber Closed Back Oval Grommet

    Rubber Closed Back Oval Grommet

    GRAND GENERAL

    $5.07
    Closed Back Oval GrommetEnsure a secure and professional installation with the Rubber Closed Back Oval Grommet, designed for durability and dependable protection in heavy-duty applications. Built...
    09-16020280
    SKU:
    09-16020280
    Shape Options:
    Oval
    Material Options:
    Rubber
    Color:
    Black
    Product Type:
    Lighting
    Make:
    Universal Items
    $5.07
    Qty in Cart: 0
    Price:
    $5.07
    Subtotal:
  • Fiberglass Paintable High Boy Full Fender Set 38 Inch W/ 4 Inch Lip For 52 & 54 Inch Axle Spread

    Fiberglass Paintable High Boy Full Fender Set 38 Inch W/ 4 Inch Lip For 52 & 54 Inch Axle Spread

    BAD ASS CUSTOM TRUCK PARTS

    $1,236.99
    Paintable Fiberglass High Boy Full Fender Set 38 Inch W/ 4 Inch Lip Fits 52 & 54 Inch Axle SpreadBuilt for durability and style, the 41 Inch Fiberglass High Boy Full Fender Set offers a premium rear...
    09-110403001
    SKU:
    09-110403001
    Length Options:
    106 Inch
    Finish Options:
    Paintable
    Type Options:
    Full Tandem Fender
    Material Options:
    Fiberglass
    Product Type:
    Rear Fenders
    Location:
    Made In USA
    Height Options:
    41 Inch
    Make:
    Universal Items
    $1,236.99
    Qty in Cart: 0
    Price:
    $1,236.99
    Subtotal:
  • Black & Gray Refrigerator Center Console W/ Dual Cup Holders- 24 X 12.5 X 12 Inch For Kenworth, Freightliner, Peterbilt & International Day Cab

    Black & Gray Refrigerator Center Console W/ Dual Cup Holders- 24 X 12.5 X 12 Inch For Kenworth, Freightliner, Peterbilt & International Day Cab

    SPARETIME FAB

    $607.99
    24 X 12.5 X 12 Inch Refrigerator Center Console W/ Dual Cup Holders Fits Trucks W/ Manual & Automatic Transmissions Fits Kenworth, Freightliner, Peterbilt & International Day CabTake your cab setup...
    09-151300173
    SKU:
    09-151300173
    Height Options:
    12 1/2 Inch
    Product Type:
    Interior
    Location:
    Made In USA
    Color:
    Black
    Width Options:
    12 1/2 Inch
    Material Options:
    Wood
    Length Options:
    24 Inch
    Make:
    Universal Items
    Cab Style:
    Day Cab
    $607.99
    Qty in Cart: 0
    Price:
    $607.99
    Subtotal:
  • Black Steel Rear Light Bar Mounting Bracket

    Black Steel Rear Light Bar Mounting Bracket

    UNITED PACIFIC

    $25.78
    Black Rear Light Bar Mounting BracketSecure your rear lighting system with the Black Steel Rear Light Bar Mounting Bracket, engineered for strength and long-lasting performance. Made from heavy-duty...
    09-161000013
    SKU:
    09-161000013
    Product Type:
    Lighting
    Color:
    Black
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $25.78
    Qty in Cart: 0
    Price:
    $25.78
    Subtotal:
  • 2 Inch Auxiliary LED Light- Blue LED/ Clear Lens

    2 Inch Auxiliary LED Light- Blue LED/ Clear Lens

    UNITED PACIFIC

    $12.74
    2 Inch Blue Auxiliary LED Light W/Clear LensUpgrade your lighting setup with the 2 Inch Auxiliary LED Light featuring a blue LED output and clear lens for a clean, modern appearance and reliable...
    09-160102258
    SKU:
    09-160102258
    Material Options:
    Plastic/Poly
    Diameter Options:
    2 Inch
    Shape Options:
    Round
    Color:
    Blue
    Product Type:
    Lighting
    Make:
    Universal Items
    $12.74
    Qty in Cart: 0
    Price:
    $12.74
    Subtotal:
  • Fiberglass Paintable Project One Full Radius Fender Set 38 Inch Drop W/ 7.5 Inch Sidewall For 52 & 54 Inch Axle Spread

    Fiberglass Paintable Project One Full Radius Fender Set 38 Inch Drop W/ 7.5 Inch Sidewall For 52 & 54 Inch Axle Spread

    BAD ASS CUSTOM TRUCK PARTS

    $818.99
    Paintable Fiberglass Project One Full Radius Fender Set 38 Inch Drop W/ 7.5 Inch SidewallUpgrade your truck with the Fiberglass Project One Full Radius Fender Set with 7.5 Inch Sidewall, engineered...
    09-110401006
    SKU:
    09-110401006
    Location:
    Made In USA
    Height Options:
    38 Inch
    Length Options:
    106 Inch
    Product Type:
    Rear Fenders
    Finish Options:
    Paintable
    Type Options:
    Full Radius Fender
    Material Options:
    Fiberglass
    Make:
    Universal Items
    $818.99
    Qty in Cart: 0
    Price:
    $818.99
    Subtotal:
  • Fiberglass Paintable Stealth Double Hump Fender Set 38 Inch Drop W/ 7 Inch Sidewall For 52 & 54 Inch Axle Spread

    Fiberglass Paintable Stealth Double Hump Fender Set 38 Inch Drop W/ 7 Inch Sidewall For 52 & 54 Inch Axle Spread

    BAD ASS CUSTOM TRUCK PARTS

    $1,339.99
    Paintable Fiberglass Stealth Double Hump Fender Set 38 Inch Drop W/ 7 Inch Sidewall Fits 52 & 54 Inch Axle SpreadUpgrade your truck's appearance and durability with the Fiberglass Stealth Double Hump...
    09-110404005
    SKU:
    09-110404005
    Material Options:
    Fiberglass
    Length Options:
    106 Inch
    Location:
    Made In USA
    Finish Options:
    Paintable
    Product Type:
    Rear Fenders
    Height Options:
    38 Inch
    Style Options:
    Double Hump
    Position:
    Rear
    Make:
    Universal Items
    $1,339.99
    Qty in Cart: 0
    Price:
    $1,339.99
    Subtotal:
  • TPHD Steel Threaded Side Mount Fender Post

    TPHD Steel Threaded Side Mount Fender Post

    TPHD

    $17.65
    Threaded Side Mount Fender Post By TPHDBuilt for strength and dependability, the TPHD Steel Side Mount Fender Post offers a high-quality stainless steel solution for secure fender mounting. Its...
    09-11100037
    SKU:
    09-11100037
    Material Options:
    Steel
    Style Options:
    Thread On
    Type Options:
    Side Mount
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $17.65
    Qty in Cart: 0
    Price:
    $17.65
    Subtotal:
  • RoadWatch Sensor Kit

    RoadWatch Sensor Kit

    BOSTROM TRUCK SEATS

    $398.99
    RoadWatch Sensor Kit Includes Sensor, Fastener & ConnectorsImprove safety and winter road performance with the RoadWatch Sensor Kit, a high-quality solution designed to accurately measure both road...
    09-15020196
    SKU:
    09-15020196
    Product Type:
    Electronics
    Make:
    Universal Items
    $398.99
    Qty in Cart: 0
    Price:
    $398.99
    Subtotal:
  • TPHD 72 Inch Stainless Steel Half Fender W/ 18.5 Inch Drop

    TPHD 72 Inch Stainless Steel Half Fender W/ 18.5 Inch Drop

    TPHD

    $658.99
    72 Inch 304 Stainless Steel Half Fender W/ 18.5 Inch DropAdd lasting shine and dependable protection to your rig with the TPHD 72 Inch Stainless Steel Half Fender, manufactured from heavy-duty 14...
    09-110300058
    SKU:
    09-110300058
    Material Options:
    Stainless Steel
    Height Options:
    18 Inch
    Type Options:
    Half Fender
    Size Options:
    14 Gauge
    Length Options:
    72 Inch
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $658.99
    Qty in Cart: 0
    Price:
    $658.99
    Subtotal:
  • Fiberglass Paintable Outlaw Full Fender Set 38 Inch Drop W/ 5.5 Inch Sidewall For 52 & 54 Inch Axle Spread

    Fiberglass Paintable Outlaw Full Fender Set 38 Inch Drop W/ 5.5 Inch Sidewall For 52 & 54 Inch Axle Spread

    BAD ASS CUSTOM TRUCK PARTS

    $1,236.99
    Paintable Fiberglass Outlaw Full Fender Set 38 Inch Drop W/ 5.5 Inch Sidewall Fits 52 & 54 Inch Axle SpreadUpgrade to the Fiberglass Outlaw Full Fender Set with 5.5 Inch Sidewall delivers a premium...
    09-110403002
    SKU:
    09-110403002
    Height Options:
    38 Inch
    Length Options:
    106 Inch
    Location:
    Made In USA
    Product Type:
    Rear Fenders
    Type Options:
    Full Tandem Fender
    Finish Options:
    Paintable
    Material Options:
    Fiberglass
    Make:
    Universal Items
    $1,236.99
    Qty in Cart: 0
    Price:
    $1,236.99
    Subtotal:
  • Fiberglass Paintable Long Style Full Fender Set 38 Inch Drop W/ 5.5 Inch Sidewall For Super Single Tires

    Fiberglass Paintable Long Style Full Fender Set 38 Inch Drop W/ 5.5 Inch Sidewall For Super Single Tires

    BAD ASS CUSTOM TRUCK PARTS

    $1,236.99
    Paintable Fiberglass Long Style Full Fender Set 38 Inch Drop W/ 5.5 Inch Sidewall Fits Super Single TiresUpgrade to the Fiberglass Long Style Full Fend Set with 5.5 Inch Sidewall, designed for single...
    09-110403003
    SKU:
    09-110403003
    Finish Options:
    Paintable
    Material Options:
    Fiberglass
    Product Type:
    Rear Fenders
    Type Options:
    Full Tandem Fender
    Location:
    Made In USA
    Make:
    Universal Items
    $1,236.99
    Qty in Cart: 0
    Price:
    $1,236.99
    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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