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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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  • Frame Bracket Hendrickson 13.5-Inch, 14-Inch And 15-Inch Ride Heights, 8-Inch Winged Bolt, Top To Align Hole 8 Inch For Hendrickson INTRAAX Suspension

    Frame Bracket Hendrickson 13.5-Inch, 14-Inch And 15-Inch Ride Heights, 8-Inch Winged Bolt, Top To Align Hole 8 Inch For Hendrickson INTRAAX Suspension

    AFTERMARKET

    $342.99
    Choose Option(s) to see description.Fitment** Fits Truck Models W/ Hendrickson INTRAAX SuspensionDriver Side Frame Bracket Replaces S210841, S309601L, S365661L For Hendrickson INTRAAX Suspension8.00...
    PPR_299573
    SKU:
    PPR_299573
    Height Options:
    8 Inch
    Product Type:
    Frame & Chassis
    Position:
    Passenger Side
    Position:
    Driver Side
    Make:
    Universal Items
    $342.99
    Qty in Cart: 0
    Price:
    $342.99
    Subtotal:
  • One Piece Exhaust Manifold For Cummins ISX/CM570 Engines

    One Piece Exhaust Manifold For Cummins ISX/CM570 Engines

    POWER PLAY PRODUCTS

    $1,326.99 - $1,530.99
    Choose Option(s) to see description.Fitment** Fits Models W/ Cummins ISX/CM570 Engines** Please Verify Fitment Prior To Ordering **Bare Finish Exhaust Manifold- 1 Piece For Cummins ISX/CM570 Engines1...
    PPR_299567
    SKU:
    PPR_299567
    Color:
    Black
    Style Options:
    Cummins
    Product Type:
    Engine Parts
    Material Options:
    Ceramic
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    $1,326.99 - $1,530.99
    Qty in Cart: 0
    Price:
    $1,326.99 - $1,530.99
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  • Standard Airway Buffing Wheels

    Standard Airway Buffing Wheels

    ZEPHYR

    $13.96
    Choose Option(s) to see description.10 Inch Orange Cotton Buffing WheelOrange Buffing Wheel- 10 Inch* High Quality Buffing Wheel* Heavy Cut Clear Dipped (Dipped In A Glue Solution That Hardens The...
    PPR_299554
    SKU:
    PPR_299554
    Color:
    Red
    Product Type:
    Polishing
    Color:
    Orange
    Material Options:
    Cotton
    Diameter Options:
    10 Inch
    Color:
    Yellow
    Make:
    Universal Items
    $13.96
    Qty in Cart: 0
    Price:
    $13.96
    Subtotal:
  • 90 Degree Elbow W/ Mounting Hardware For Caterpillar C15 1995-2003

    90 Degree Elbow W/ Mounting Hardware For Caterpillar C15 1995-2003

    POWER PLAY PRODUCTS

    $214.99
    Choose Option(s) to see description.Fitment** Fits Truck Models W/ Caterpillar C15 Engines 1995 thru 2003Black 90 Degree Elbow W/ Mounting Hardware For Caterpillar C15 1995-200390 Degree Elbow W/...
    PPR_299569
    SKU:
    PPR_299569
    Degree Options:
    90
    Color:
    White
    Color:
    Black
    Style Options:
    Caterpillar
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $214.99
    Qty in Cart: 0
    Price:
    $214.99
    Subtotal:
  • One Piece Exhaust Manifold For Caterpillar C11/C13

    One Piece Exhaust Manifold For Caterpillar C11/C13

    POWER PLAY PRODUCTS

    $1,326.99 - $1,530.99
    Choose Option(s) to see description.Fitment** Fits Models W/ Caterpillar C11/C13 Engines** Please Verify Fitment Prior To Ordering **Bare Finish Exhaust Manifold- 1 Piece For Caterpillar C11/C131...
    PPR_299563
    SKU:
    PPR_299563
    Style Options:
    Caterpillar
    Color:
    Black
    Product Type:
    Engine Parts
    Material Options:
    Ceramic
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $1,326.99 - $1,530.99
    Qty in Cart: 0
    Price:
    $1,326.99 - $1,530.99
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  • One Piece Low Mount Turbo Exhaust Manifold For Caterpillar 3406E/C15 Engines

    One Piece Low Mount Turbo Exhaust Manifold For Caterpillar 3406E/C15 Engines

    POWER PLAY PRODUCTS

    $1,326.99 - $1,530.99
    Choose Option(s) to see description.Fitment** Fits Models W/ Caterpillar 3406E/C15 Engines** Please Verify Fitment Prior To Ordering **Bare Finish Low Mount Turbo Exhaust Manifold- 1 Piece For...
    PPR_299568
    SKU:
    PPR_299568
    Product Type:
    Engine Parts
    Material Options:
    Ceramic
    Finish Options:
    Chrome-Plated
    Color:
    Black
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $1,326.99 - $1,530.99
    Qty in Cart: 0
    Price:
    $1,326.99 - $1,530.99
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  • 90 Degree V- Band Elbow For Cummins/Detroit Diesel

    90 Degree V- Band Elbow For Cummins/Detroit Diesel

    POWER PLAY PRODUCTS

    $112.99
    Choose Option(s) to see description.Fitment** Fits Models W/ Cummins & Detroit Diesel Turbochargers** Please Verify Fitment Prior To Ordering **Black 90 Degree V- Band Elbow For Cummins/Detroit...
    PPR_299565
    SKU:
    PPR_299565
    Degree Options:
    90
    Color:
    White
    Color:
    Black
    Style Options:
    Elbow
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $112.99
    Qty in Cart: 0
    Price:
    $112.99
    Subtotal:
  • Adhesive Sanding Disks W/ Grit Options

    Adhesive Sanding Disks W/ Grit Options

    ZEPHYR

    $40.79 - $41.80
    Choose Option(s) to see description.5 Inch 120 Grit Adhesive Sanding Disc- 100 Pack100 Pack Adhesive Sanding Disc- 120 Grit* High Quality Adhesive Sanding Disc* 120 Grit* PSA Tabbed Non-Vacuum Discs*...
    PPR_299550
    SKU:
    PPR_299550
    Product Type:
    Polishing
    Diameter Options:
    5 Inch
    Color:
    Yellow
    Make:
    Universal Items
    $40.79 - $41.80
    Qty in Cart: 0
    Price:
    $40.79 - $41.80
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  • Exhaust Manifold - 1 Piece For Detroit Diesel 60 Series

    Exhaust Manifold - 1 Piece For Detroit Diesel 60 Series

    POWER PLAY PRODUCTS

    $1,326.99 - $1,530.99
    Choose Option(s) to see description.Fitment** Fits Models W/ Detroit Diesel 60 Series 12.7L Engines** Please Verify Fitment Prior To Ordering **Bare Finish Exhaust Manifold- 1 Piece For Detroit...
    PPR_299564
    SKU:
    PPR_299564
    Product Type:
    Engine Parts
    Material Options:
    Ceramic
    Finish Options:
    Chrome-Plated
    Color:
    Black
    Style Options:
    Detroit
    Make:
    Universal Items
    $1,326.99 - $1,530.99
    Qty in Cart: 0
    Price:
    $1,326.99 - $1,530.99
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  • Driver/Passenger Side Door Handle Cover LED

    Driver/Passenger Side Door Handle Cover LED

    AUTOMANN USA

    $25.44
    Choose Option(s) to see description.Fitment* Fits Kenworth T270 2009 thru 2011* Fits Kenworth T300 2001 thru 2007* Fits Kenworth T370 2009 thru 2021* Fits Kenworth T660 2008 thru 2011* Fits Peterbilt...
    PPR_299555
    SKU:
    PPR_299555
    Position:
    Passenger Side
    Position:
    Driver Side
    Light Options:
    With Lights
    Color:
    Amber/Clear
    Product Type:
    Exterior
    Make:
    Peterbilt
    Make:
    Kenworth
    $25.44
    Qty in Cart: 0
    Price:
    $25.44
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    WABAM Vanish Salt Neutralizer

    WABAM Vanish Salt Neutralizer

    AFTERMARKET

    $12.13 - $132.08
    Choose Option(s) to see description.WABAM Vanish Salt Neutralizer- 16 Oz16 Ounce WABAM Vanish Salt Neutralizer* High Quality Salt Neutralizer* WABAM Vanish* Salt Neutralizer* Works Great In Floor...
    PPR_299551
    SKU:
    PPR_299551
    Product Type:
    Polishing
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $12.13 - $132.08
    Qty in Cart: 0
    Price:
    $12.13 - $132.08
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  • Memory Foam Replacement Mattress, Topper And Cover W/ Length Options

    Memory Foam Replacement Mattress, Topper And Cover W/ Length Options

    AUTOMANN USA

    $238.99 - $415.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks42 X 80 Inch Memory Foam TransPlush MattressMemory Foam TransPlush Mattress- 42 X 80 X 7.5 Inch* High...
    PPR_299556
    SKU:
    PPR_299556
    Width Options:
    80 Inch
    Length Options:
    29 Inch
    Length Options:
    42 Inch
    Height Options:
    7 1/2 Inch
    Height Options:
    6 Inch
    Length Options:
    39 Inch
    Length Options:
    36 Inch
    Width Options:
    79 Inch
    Product Type:
    Interior
    Length Options:
    34 Inch
    Material Options:
    Foam
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $238.99 - $415.99
    Qty in Cart: 0
    Price:
    $238.99 - $415.99
    Subtotal:
  • 42 X 80 Inch Memory Foam Mattress- Flippable

    42 X 80 Inch Memory Foam Mattress- Flippable

    AUTOMANN USA

    $284.99
    Flippable Memory Foam Mattress- 42 X 80 X 6 InchTransform your sleep experience with this 42 x 80 Inch Flippable Memory Foam Mattress, built for comfort and durability. Featuring high-quality memory...
    29-154500018
    SKU:
    29-154500018
    Length Options:
    42 Inch
    Height Options:
    6 Inch
    Width Options:
    80 Inch
    Product Type:
    Interior
    Material Options:
    Foam
    Make:
    Universal Items
    $284.99
    Qty in Cart: 0
    Price:
    $284.99
    Subtotal:
  • Rear Drive Wheel Center Cap For 24.5 X 8.25 Octane Style American Racing Wheels W/ Position Options

    Rear Drive Wheel Center Cap For 24.5 X 8.25 Octane Style American Racing Wheels W/ Position Options

    WHEEL PROS

    $37.24
    Choose Option(s) to see description.Black Satin Rear Drive Wheel Center Cap For 24.5 Inch x 8.25 Inch Octane Style American Racing WheelsRear Drive Wheel Center Cap-Black* High Quality Wheel Center...
    PPR_299553
    SKU:
    PPR_299553
    Position:
    Rear
    Color:
    Black
    Truck Class:
    Heavy Duty
    Product Type:
    Wheels
    Make:
    Universal Items
    $37.24
    Qty in Cart: 0
    Price:
    $37.24
    Subtotal:
  • Legendary Extreme Large Glass Watermelon Light, 4-Wire Dual-Function, Color Changing LED with Stainless Steel Bezel

    Legendary Extreme Large Glass Watermelon Light, 4-Wire Dual-Function, Color Changing LED with Stainless Steel Bezel

    LEGENDARY

    $49.99
    Semi truck watermelon lights add classic styling and modern LED color options to your rig. The Legendary Extreme 3.5-Inch Glass Watermelon LED Light with Stainless Steel Bezel is designed for semi...
    PPR_299280
    SKU:
    PPR_299280
    Color:
    Amber/Green
    Color:
    Red/Blue
    Material Options:
    Glass
    Color:
    Amber/Blue
    Color:
    Amber/Red
    Diameter Options:
    3 1/2 Inch
    Style Options:
    Watermelon
    Color:
    Red/Purple
    Shape Options:
    Round
    Color:
    Amber/Purple
    Color:
    Red/Green
    Product Type:
    Lighting
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $49.99
    Qty in Cart: 0
    Price:
    $49.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    CSM 24 X 48 X 2 Inch Black Cushion For Park Benches

    CSM 24 X 48 X 2 Inch Black Cushion For Park Benches

    CHROME SHOP MAFIA

    Now: $84.24
    Was: $130.99
    24 X 48 X 2 Inch Black Cushion By Chrome Shop MafiaImprove seating comfort with this high-quality Black Cushion from Chrome Shop Mafia, sized 24 x 48 x 2 inches for benches. Built for durability and...
    CSMCU003
    SKU:
    CSMCU003
    Height Options:
    2 Inch
    Width Options:
    24 Inch
    Color:
    Black
    Material Options:
    Foam
    Product Type:
    Apparel
    Length Options:
    48 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $84.24
    Was: $130.99
    Qty in Cart: 0
    Price:
    Now: $84.24
    Was: $130.99
    Subtotal:
  • Wheel Stud Service Kit Replaces 4295

    Wheel Stud Service Kit Replaces 4295

    AFTERMARKET

    $834.99
    Wheel Stud Service Kit For Most Truck and Trailer HubsKeep your truck wheels secure and maintenance simple with this Wheel Stud Service Kit. This high-quality kit works on most hubs, making...
    29-21000003
    SKU:
    29-21000003
    Product Type:
    Tools
    Make:
    Universal Items
    $834.99
    Qty in Cart: 0
    Price:
    $834.99
    Subtotal:
  • Fender Washer Replaces 2701156

    Fender Washer Replaces 2701156

    AUTOMANN USA

    $2.26
    0.5 Inch ID X 1.75 Inch OD Fender WasherThis high-quality Fender Washer is built for heavy-duty performance, replacing 2701156. Flat hard end design, 1/2-inch inner diameter, 1-3/4-inch outer...
    29-1240007
    SKU:
    29-1240007
    Product Type:
    Hood Parts & Acc.
    Diameter Options:
    1 1/2 Inch
    Make:
    Universal Items
    $2.26
    Qty in Cart: 0
    Price:
    $2.26
    Subtotal:
  • 20 Inch 6 Spoke Wheel Replaces FA705K, FX196KX, FX705KX, 9660

    20 Inch 6 Spoke Wheel Replaces FA705K, FX196KX, FX705KX, 9660

    AFTERMARKET

    $780.99
    20 Inch Spoke Wheel W/ 6 Spokes, 12.750 Inch Mounting Bolt Hole Circle Diameter & 6- 0.75 Inch Bolt HolesGet dependable performance with this 20 Inch 6 Spoke Wheel. Featuring wheel bearing cups, rim...
    29-20100000
    SKU:
    29-20100000
    Product Type:
    Wheels
    Diameter Options:
    20 Inch
    Make:
    Universal Items
    $780.99
    Qty in Cart: 0
    Price:
    $780.99
    Subtotal:
  • Dosing Pump Urea Injection Replaces 2871879, 0444042132, 4387657 For Cummins & PACCAR Engines

    Dosing Pump Urea Injection Replaces 2871879, 0444042132, 4387657 For Cummins & PACCAR Engines

    AFTERMARKET

    $776.99
    5.5 X 8.09 Inch Dosing Pump Urea Injection- 10 PinEnsure precise DEF delivery with this high-quality Dosing Pump Urea Injection for Cummins and PACCAR engines. The 2.2 Type Supply Module features a...
    29-08060023
    SKU:
    29-08060023
    Product Type:
    Exhaust
    Height Options:
    5 Inch
    Make:
    Universal Items
    $776.99
    Qty in Cart: 0
    Price:
    $776.99
    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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