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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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  • Brown Burl Look Gear Shift Knob Cover

    Brown Burl Look Gear Shift Knob Cover

    STEERING CREATIONS

    $83.99
    Brown Burl Look Gear Shift Knob Cover With Bottom Notch* High Quality Knob Cover* For Gear Shift Knob* Burl Look* Original Style 13/18* With Bottom Notch* Logo Medallion (Sci)* Brown* Sold...
    09-15130942
    SKU:
    09-15130942
    Product Type:
    Interior
    Make:
    Universal Items
    Color:
    Brown
    $83.99
    Qty in Cart: 0
    Price:
    $83.99
    Subtotal:
  • 18.5 Inch Black Vinyl Shift Stick Cover

    18.5 Inch Black Vinyl Shift Stick Cover

    GRAND GENERAL

    $18.06
    18.5 Inch Zipper Black Vinyl Shift Stick Cover* High Quality Shift Stick Cover* Zipper* Vinyl* Black* 18-1/2 Inch Length* Sold Individually* Warranty On Shift Stick Covers Against Defects In...
    09-15130815
    SKU:
    09-15130815
    Color:
    Black
    Product Type:
    Interior
    Length Options:
    18 1/2 Inch
    Material Options:
    Vinyl
    Make:
    Universal Items
    $18.06
    Qty in Cart: 0
    Price:
    $18.06
    Subtotal:
  • Chrome Plastic Pyrometer Gauge Cover W/ Visor

    Chrome Plastic Pyrometer Gauge Cover W/ Visor

    LIFETIME NUT COVERS

    $11.21
    Chrome Plastic Pyrometer Gauge Cover W/ Visor- Snap On* High Quality Pyrometer Gauge Cover* With Visor* Chrome Plastic* Snap-On* Made In USA* Sold Individually* Warranty On Pyrometer Gauge Covers...
    09-15020186
    SKU:
    09-15020186
    Product Type:
    Interior
    Material Options:
    Plastic/Poly
    Shape Options:
    Round
    Finish Options:
    Chrome-Plated
    Location:
    Made In USA
    Make:
    Universal Items
    $11.21
    Qty in Cart: 0
    Price:
    $11.21
    Subtotal:
  • Stainless Steel Hanger Tube Clamp

    Stainless Steel Hanger Tube Clamp

    GRAND GENERAL

    $20.25
    2.1875 Inch Hanger Tube Clamp- For Quarter Fender* High Quality Hanger Tube Clamp* For Quarter Fender* Mounting Hardware Included* Heavy Duty 11.5 Gauge Stainless Steel* 2-3/16 Inch Diameter* Sold...
    09-11100072
    SKU:
    09-11100072
    Material Options:
    Stainless Steel
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Diameter Options:
    2 Inch
    $20.25
    Qty in Cart: 0
    Price:
    $20.25
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  • 5-Hole Black Horn Button For Forever Sharp Steering Wheel

    5-Hole Black Horn Button For Forever Sharp Steering Wheel

    FOREVER SHARP

    $44.44
    5 Hole Black Horn Button- 2 Wire Terminal Connection* High Quality Horn Button* (5) Hole Mount* (2) Wire Terminal Connection* 6061 Billet High Polished Aluminum* Black* Sold Individually* Warranty On...
    09-15000194
    SKU:
    09-15000194
    Color:
    Black
    Finish Options:
    Polished
    Material Options:
    Aluminum
    Product Type:
    Interior
    Make:
    Universal Items
    $44.44
    Qty in Cart: 0
    Price:
    $44.44
    Subtotal:
  • 18 Inch Classic Viper Red Steering Wheel W/ 4 Spokes with Slot Cut Outs

    18 Inch Classic Viper Red Steering Wheel W/ 4 Spokes with Slot Cut Outs

    STEERING CREATIONS

    $270.99
    18 Inch Red Steering Wheel W/ 4 Spokes with Slot Cut Outs* High Quality Steering Wheel* Classic Viper Red Rim* 4 Spokes With Slot Cut Outs* Matching Painted Bezel* Chrome Logo Horn Button* Requires A...
    09-15000161
    SKU:
    09-15000161
    Color:
    Red
    Diameter Options:
    18 Inch
    Material Options:
    Wood
    Product Type:
    Interior
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    $270.99
    Qty in Cart: 0
    Price:
    $270.99
    Subtotal:
  • Clear Steering Wheel Spinner Replaces 70109

    Clear Steering Wheel Spinner Replaces 70109

    AUTOMANN USA

    $11.43
    Clear Steering Wheel Spinner With Plastic Knob & Chrome Die Cast Base* High Quality Steering Wheel Spinner* Clear Flat Window On Cap* 2 Adjustable Straps For Grip Diameters Of 3/4 Inch To 1-1/4 Inch*...
    09-15000047
    SKU:
    09-15000047
    Material Options:
    Plastic/Poly
    Product Type:
    Interior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $11.43
    Qty in Cart: 0
    Price:
    $11.43
    Subtotal:
  • On Sale
    Limited Quantity Available
    Stainless Steel Clamp For Post Mount Tube

    Stainless Steel Clamp For Post Mount Tube

    TRUX ACCESSORIES

    Now: $16.98
    Was: $19.30
    Stainless Steel Fender Bracket Clamp* High Quality Clamp* For Post Mount Tube* Screw And Bolt Included* Stainless Steel* 3.75 Inch Height* 1.5 Inch Depth* Sold Individually* Warranty On Clamps...
    09-11100018
    SKU:
    09-11100018
    Material Options:
    Stainless Steel
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Length Options:
    1 1/2 Inch
    Height Options:
    3 3/4 Inch
    Ready To Ship:
    Yes
    Now: $16.98
    Was: $19.30
    Qty in Cart: 0
    Price:
    Now: $16.98
    Was: $19.30
    Subtotal:
  • On Sale
    Stainless Steel Fender Bolt Kit

    Stainless Steel Fender Bolt Kit

    TRUX ACCESSORIES

    Now: $18.12
    Was: $20.59
    Stainless Steel Fender Bolt Kit- Includes 6 bolts & Washers* High Quality Bolt Kit* For Trux Fenders Triangular Mounting Arms* Includes 6 Bolts And Washers* IP67 Waterproof Rating* Stainless Steel*...
    09-11100024
    SKU:
    09-11100024
    Material Options:
    Stainless Steel
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Position:
    Kit Full
    Now: $18.12
    Was: $20.59
    Qty in Cart: 0
    Price:
    Now: $18.12
    Was: $20.59
    Subtotal:
  • Steel Standard Post Style Round End Fender Mount Kit

    Steel Standard Post Style Round End Fender Mount Kit

    TRAMEC SLOAN

    $413.99
    32.5 Inch Standard Post Style Round End Fender Mount Kit* High Quality Mount Kit* Standard Post Style Round End* Roadkote Finish* Includes:  - (4) End Mount Tubes  - (4) End Caps  - (4) Pivot Bars...
    09-11100054
    SKU:
    09-11100054
    Color:
    Black
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Position:
    Kit Full
    Length Options:
    32 1/2 Inch
    Ready To Ship:
    Yes
    $413.99
    Qty in Cart: 0
    Price:
    $413.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Stainless Steel Fender Side Mount Arm

    Stainless Steel Fender Side Mount Arm

    TRUX ACCESSORIES

    Now: $71.27
    Was: $80.99
    31 Inch 14 Gauge Stainless Steel Fender Side Mount Arm* High Quality Side Mount Arm* Universal* Smooth Finish* Welded End* Each Thread Has A 2000 Lbs Resistance* 14 Gauge Stainless Steel* 31 Inch...
    09-11100022
    SKU:
    09-11100022
    Material Options:
    Stainless Steel
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Size Options:
    14 Gauge
    Length Options:
    31 Inch
    Finish Options:
    Smooth
    Now: $71.27
    Was: $80.99
    Qty in Cart: 0
    Price:
    Now: $71.27
    Was: $80.99
    Subtotal:
  • Black Double Hump Poly Fender- Front Section

    Black Double Hump Poly Fender- Front Section

    MINIMIZER

    $326.99
    Double Hump Poly Fender* High Quality Front Fender* Made Of Polycarbonate* Designed To Fit A Tandem Axle Tractor Or Trailer With 54 Inch Axle Spread* Front Section Of Double Hump Fender Only (Rear...
    09-110503013
    SKU:
    09-110503013
    Color:
    Black
    Position:
    Front
    Product Type:
    Rear Fenders
    Length Options:
    51 Inch
    Width Options:
    26 Inch
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $326.99
    Qty in Cart: 0
    Price:
    $326.99
    Subtotal:
  • Hogebuilt Down Low Half Fender Mounting Kit

    Hogebuilt Down Low Half Fender Mounting Kit

    HOGEBUILT FENDERS

    $1,317.99
    Down Low Half Fender Mounting KitKeep your truck's fenders secure and stylish with the Hogebuilt Down Low Half Fender Mounting Kit. Engineered for most clean frame applications, this kit features...
    09-11030126
    SKU:
    09-11030126
    Material Options:
    Steel
    Product Type:
    Rear Fenders
    Color:
    Black
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Position:
    Kit Full
    Type Options:
    Half Fender
    $1,317.99
    Qty in Cart: 0
    Price:
    $1,317.99
    Subtotal:
  • Hogebuilt Down Low Half Fender Mounting Kit For Air Trac Suspensions W/ 24.5 Inch Tires

    Hogebuilt Down Low Half Fender Mounting Kit For Air Trac Suspensions W/ 24.5 Inch Tires

    HOGEBUILT FENDERS

    $1,103.99
    Down Low Half Fender Mounting Kit Fits Air Trac Suspensions W/ 24.5 Inch TiresEnhance your truck's fender system with the Hogebuilt Down Low Half Fender Mounting Kit, compatible with most Air Trac...
    09-11030128
    SKU:
    09-11030128
    Color:
    Black
    Product Type:
    Rear Fenders
    Material Options:
    Steel
    Make:
    Universal Items
    Position:
    Kit Full
    Type Options:
    Half Fender
    Style Options:
    Air Trac Suspension
    $1,103.99
    Qty in Cart: 0
    Price:
    $1,103.99
    Subtotal:
  • Hogebuilt Down Low Half Fender Mounting Kit For Air Trac Suspensions W/ 22.5 or 24.5 Inch Low Pro Tires

    Hogebuilt Down Low Half Fender Mounting Kit For Air Trac Suspensions W/ 22.5 or 24.5 Inch Low Pro Tires

    HOGEBUILT FENDERS

    $1,103.99
    Down Low Half Fender Mounting Kit Fits Air Trac Suspensions W/ 22.5 or 24.5 Inch Low Pro TiresInstall the Hogebuilt Down Low Half Fender Mounting Kit for reliable protection on Air Trac suspensions...
    09-11030127
    SKU:
    09-11030127
    Product Type:
    Rear Fenders
    Material Options:
    Steel
    Color:
    Black
    Make:
    Universal Items
    Position:
    Kit Full
    Type Options:
    Half Fender
    $1,103.99
    Qty in Cart: 0
    Price:
    $1,103.99
    Subtotal:
  • Stainless Steel West Coast Mirror- Heated

    Stainless Steel West Coast Mirror- Heated

    LUVERNE

    $43.65
    7 X 16 Inch West Coast Mirror- Heated & Stud Mount* High Quality Mirror Head* West Coast Style* Mirror - Heated* Non-Glare Glass* Stainless Steel* 7 Inch Width* 16 Inch Height* Stud Mount* Sold...
    09-09150098
    SKU:
    09-09150098
    Product Type:
    Exterior
    Width Options:
    7 Inch
    Material Options:
    Stainless Steel
    Height Options:
    16 Inch
    Style Options:
    West Coast Style
    Type Options:
    Heated
    Make:
    Universal Items
    $43.65
    Qty in Cart: 0
    Price:
    $43.65
    Subtotal:
  • 120 Inch Stainless Steel Full Fender

    120 Inch Stainless Steel Full Fender

    TPHD

    $1,821.99
    120 Inch 16 Gauge Stainless Steel Full Fender* High Quality Full Fender* 1.5 Inch Rolled Edges* No Flange* 16 Gauge Stainless Steel* 120 Inch Overall Length* 24 Inch Width* Sold Individually* No...
    09-110301013
    SKU:
    09-110301013
    Material Options:
    Stainless Steel
    Product Type:
    Rear Fenders
    Size Options:
    16 Gauge
    Length Options:
    120 Inch
    Width Options:
    24 Inch
    Make:
    Universal Items
    Finish Options:
    Polished
    Style Options:
    Full Fender
    $1,821.99
    Qty in Cart: 0
    Price:
    $1,821.99
    Subtotal:
  • 8 X 108 Inch Chrome West Coast Turn Exhaust Stack By BESTfit

    8 X 108 Inch Chrome West Coast Turn Exhaust Stack By BESTfit

    BESTFIT TRUCK PARTS

    $1,094.99
    BESTfit 8 X 108 Inch West Coast Turn Exhaust Stack* High Quality Exhaust Stack* West Coast Turn* Chrome-Plated Steel* 8 Inch Outer Diameter* 108 Inch Height* Sold Individually* Warranty On Exhaust...
    09-088010809
    SKU:
    09-088010809
    Product Type:
    Exhaust
    Diameter Options:
    8 Inch
    Style Options:
    West Coast Turn
    Height Options:
    108 Inch
    Material Options:
    Steel
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    $1,094.99
    Qty in Cart: 0
    Price:
    $1,094.99
    Subtotal:
  • 6 X 16 Inch Aluminum West Coast Mirror- Yellow Chevron Embossed Back

    6 X 16 Inch Aluminum West Coast Mirror- Yellow Chevron Embossed Back

    LUVERNE

    $53.99
    6 X 16 Inch Flange Mount West Coast Mirror- Yellow Chevron Embossed Back* High Quality Mirror Head* West Coast Style* Waterproof LED Rocker Switch* Yellow Chevron* Non-Glare Glass* Anodized Aluminum*...
    09-09150021
    SKU:
    09-09150021
    Product Type:
    Exterior
    Width Options:
    6 Inch
    Height Options:
    16 Inch
    Material Options:
    Aluminum
    Style Options:
    West Coast Style
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • 7 X 16 Inch Stainless Steel West Coast Mirror- Heated

    7 X 16 Inch Stainless Steel West Coast Mirror- Heated

    LUVERNE

    $276.99
    7 X 16 Inch Motorized West Coast Mirror* High Quality Mirror Head* West Coast Style* Motorized West Coast Single Vision Mirror Heads* Heated* 4-Way Actuators - Common Components* Vertical And...
    09-09150045
    SKU:
    09-09150045
    Product Type:
    Exterior
    Finish Options:
    Polished
    Style Options:
    West Coast Style
    Type Options:
    Heated
    Height Options:
    16 Inch
    Width Options:
    7 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $276.99
    Qty in Cart: 0
    Price:
    $276.99
    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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