null

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.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • FREE SHIPPING
    SCI 18 Inch Speed Racer Steering Wheel, Alumzd Half Wrap Billet, Chrome Slotted 3 Spokes

    SCI 18 Inch Speed Racer Steering Wheel, Alumzd Half Wrap Billet, Chrome Slotted 3 Spokes

    STEERING CREATIONS

    $314.99
    18 Inch Speed Racer Steering Wheel, Alumzd Half Wrap Billet, Chrome Slotted 3 Spokes By SCIEnhance your driving experience and cab styling with the SCI Speed Racer Steering Wheel, built for...
    09-15000268
    SKU:
    09-15000268
    Diameter Options:
    18 Inch
    Material Options:
    Wood
    Product Type:
    Interior
    Make:
    Universal Items
    $314.99
    Qty in Cart: 0
    Price:
    $314.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    SCI Horn Pad For Traveler Steering Wheel - Ocean Blue

    SCI Horn Pad For Traveler Steering Wheel - Ocean Blue

    STEERING CREATIONS

    Now: $52.49
    Was: $74.99
    Ocean Blue Horn Pad For Traveler Steering Wheel Goes W/ 09-1500136Upgrade your truck's interior styling with the SCI Horn Pad For Traveler Steering Wheel - Ocean Blue, designed to deliver a clean...
    09-150000025
    SKU:
    09-150000025
    Product Type:
    Interior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $52.49
    Was: $74.99
    Qty in Cart: 0
    Price:
    Now: $52.49
    Was: $74.99
    Subtotal:
  • Tachometer Kit, Programmable 3 3/8 Inch W/ Mounting kit, 48 Inch Wire Harness

    Tachometer Kit, Programmable 3 3/8 Inch W/ Mounting kit, 48 Inch Wire Harness

    ISSPRO

    $264.99
    3 3/8 Inch Tachometer Kit, Programmable W/ Mounting Kit, 48 Inch Wire HarnessImprove engine monitoring and performance control with the Tachometer Kit, built for precision, durability, and...
    09-150100616
    SKU:
    09-150100616
    Finish Options:
    Chrome-Plated
    Style Options:
    Bezel
    Location:
    Made In USA
    Diameter Options:
    3 3/8 Inch
    Color:
    White
    Shape Options:
    Round
    Product Type:
    Interior
    Make:
    Universal Items
    $264.99
    Qty in Cart: 0
    Price:
    $264.99
    Subtotal:
  • SCI 18 Inch Viper Red Leather Comfort, Alumzd 4-Spoke Steering Wheel W/O Horn Button

    SCI 18 Inch Viper Red Leather Comfort, Alumzd 4-Spoke Steering Wheel W/O Horn Button

    STEERING CREATIONS

    $348.99
    18 Inch Viper Red Leather Comfort, Alumzd 4-Spoke Steering Wheel W/O Horn Button By SCIUpgrade your truck's interior with this high-quality SCI 18 Viper Red Leather Steering Wheel, designed for...
    09-1500000056
    SKU:
    09-1500000056
    Diameter Options:
    18 Inch
    Material Options:
    Leather
    Product Type:
    Interior
    Make:
    Universal Items
    $348.99
    Qty in Cart: 0
    Price:
    $348.99
    Subtotal:
  • SCI 18 Inch Printed Wood Rim, Chrome 4-Spoke W/ Slot Cut Outs Horn Button

    SCI 18 Inch Printed Wood Rim, Chrome 4-Spoke W/ Slot Cut Outs Horn Button

    STEERING CREATIONS

    $269.99
    18 Inch Printed Wood Rim, Chrome 4-Spoke W/ Slot Cut Outs Horn Buttom By SCIUpgrade your truck's interior with the SCI 18 Inch Printed Wood Rim, designed to deliver a premium custom look and...
    09-15000261
    SKU:
    09-15000261
    Diameter Options:
    18 Inch
    Material Options:
    Wood
    Product Type:
    Interior
    Shape Options:
    Round
    Make:
    Universal Items
    $269.99
    Qty in Cart: 0
    Price:
    $269.99
    Subtotal:
  • FREE SHIPPING
    SCI Red Viper Steering Wheel W/ Painted Wood & Leather, 18 Inch 4 Spoke W/ Slot Cut Outs, Matching Bezel, Chrome Horn Button

    SCI Red Viper Steering Wheel W/ Painted Wood & Leather, 18 Inch 4 Spoke W/ Slot Cut Outs, Matching Bezel, Chrome Horn Button

    STEERING CREATIONS

    $266.99
    Red Viper Steering Wheel W/ Painted Wood & Leather, 18 Inch 4 Spoke W/ Slot Cut Outs, Matching Bezel, Chrome Horn ButtonEnhance your cab's interior style and driving feel with the SCI Red Viper...
    09-150000027
    SKU:
    09-150000027
    Diameter Options:
    18 Inch
    Material Options:
    Wood
    Product Type:
    Interior
    Shape Options:
    Round
    Make:
    Universal Items
    $266.99
    Qty in Cart: 0
    Price:
    $266.99
    Subtotal:
  • FREE SHIPPING
    66 Inch Poly Rolled Edge Half Fenders W/ Mounting Kit

    66 Inch Poly Rolled Edge Half Fenders W/ Mounting Kit

    TRUX ACCESSORIES

    $484.99
    Poly Rolled Edge Half Fenders W/ Mounting Kit 66 InchUpgrade your truck's protection and efficiency with this high-quality Half Fender Kit with Mounting Kit, built from durable polypropylene for...
    09-110502010K
    SKU:
    09-110502010K
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $484.99
    Qty in Cart: 0
    Price:
    $484.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    150 Inch Stainless Steel Super Long Fully Ribbed Half Fender W/ Rolled Edge

    150 Inch Stainless Steel Super Long Fully Ribbed Half Fender W/ Rolled Edge

    TRUX ACCESSORIES

    Now: $1,242.55
    Was: $1,411.99
    Stainless Steel Super Long Fully Ribbed Half Fender W/ Rolled Edge, 150 InchEnhance your rig's durability and road presence with this premium Half Fender, crafted from high-quality 16 gauge stainless...
    09-110302019
    SKU:
    09-110302019
    Material Options:
    Stainless Steel
    Type Options:
    Half Fender
    Finish Options:
    Smooth
    Product Type:
    Rear Fenders
    Size Options:
    16 Gauge
    Style Options:
    Ribbed
    Length Options:
    150 Inch
    Make:
    Universal Items
    Now: $1,242.55
    Was: $1,411.99
    Qty in Cart: 0
    Price:
    Now: $1,242.55
    Was: $1,411.99
    Subtotal:
  • Iowa Customs NRX50 Compressor Built-In Truck Refrigerator W/ Freezer

    Iowa Customs NRX50 Compressor Built-In Truck Refrigerator W/ Freezer

    IOWA CUSTOMS

    $1,141.99
    Compressor Built-In Truck Refrigerator W/ FreezerEnhance your long-haul comfort with the Iowa Customs Refrigerator with Freezer. Finished in durable black, this COOLMATIC NRX-50T refrigerator...
    09-141300013
    SKU:
    09-141300013
    Height Options:
    21 Inch
    Length Options:
    19 5/8 Inch
    Product Type:
    Electronics
    Color:
    Black
    Width Options:
    14 1/4 Inch
    Make:
    Universal Items
    $1,141.99
    Qty in Cart: 0
    Price:
    $1,141.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Single Axle Fender Mounting Kit - Black Steel For One Axle

    Single Axle Fender Mounting Kit - Black Steel For One Axle

    TRUX ACCESSORIES

    Now: $174.23
    Was: $197.99
    Black Steel Single Axle Fender Mounting KitImprove fender stability and mounting strength with the Single Axle Fender Mounting Kit, built for durability, secure fitment, and long-lasting performance...
    09-111142
    SKU:
    09-111142
    Product Type:
    Rear Fenders
    Color:
    Black
    Material Options:
    Steel
    Position:
    Kit Full
    Make:
    Universal Items
    Now: $174.23
    Was: $197.99
    Qty in Cart: 0
    Price:
    Now: $174.23
    Was: $197.99
    Subtotal:
  • 66 Inch Smooth Rolled Edge Half Fenders W/ Mounting Kit, Triangular Style Center Mounting Brackets 16 Gauge Stainless Steel

    66 Inch Smooth Rolled Edge Half Fenders W/ Mounting Kit, Triangular Style Center Mounting Brackets 16 Gauge Stainless Steel

    TRUX ACCESSORIES

    $657.99
    Smooth Rolled Edge Half Fenders W/ Mounting Kit, Triangular Style Center Mounting Brackets 66 Inch 16 Gauge Stainless SteelGive your truck a clean, professional upgrade with this high-quality Half...
    09-110302018K
    SKU:
    09-110302018K
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $657.99
    Qty in Cart: 0
    Price:
    $657.99
    Subtotal:
  • FREE SHIPPING
    60 Inch Smooth Rolled Edge Flange Half Fenders W/ Mounting Kit, 16 Gauge Stainless Steel Swivel Style Center Mounting Brackets

    60 Inch Smooth Rolled Edge Flange Half Fenders W/ Mounting Kit, 16 Gauge Stainless Steel Swivel Style Center Mounting Brackets

    TRUX ACCESSORIES

    $716.99
    Smooth Rolled Edge Flange Half Fenders W/ Mounting Kit Swivel Style Center Mounting Brackets 60 Inch 16 Gauge Stainless SteelEnhance your truck's durability and style with this high-quality Smooth...
    09-110302014K
    SKU:
    09-110302014K
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $716.99
    Qty in Cart: 0
    Price:
    $716.99
    Subtotal:
  • FREE SHIPPING
    76 Inch Poly Rolled Edge Single Fenders W/ Mounting Kit Polypropylene

    76 Inch Poly Rolled Edge Single Fenders W/ Mounting Kit Polypropylene

    TRUX ACCESSORIES

    $402.99
    Poly Rolled Edge Single Fenders W/ Mounting Kit 76 InchEnhance your truck's durability and appearance with this high-quality Fender Kit with Mounting Kit, crafted from tough polypropylene for...
    09-110501060K
    SKU:
    09-110501060K
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $402.99
    Qty in Cart: 0
    Price:
    $402.99
    Subtotal:
  • FREE SHIPPING
    142 Inch Smooth Rolled Edge Full Fenders W/ Mounting Kit 14 Gauge Stainless Steel

    142 Inch Smooth Rolled Edge Full Fenders W/ Mounting Kit 14 Gauge Stainless Steel

    TRUX ACCESSORIES

    $1,503.99
    Smooth Rolled Edge Full Fenders W/ Mounting Kit 142 Inch 14 Gauge Stainless SteelEnhance your rig's durability and road presence with this high-quality Full Fender Kit with Mounting Kit, crafted from...
    09-110303006K
    SKU:
    09-110303006K
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $1,503.99
    Qty in Cart: 0
    Price:
    $1,503.99
    Subtotal:
  • FREE SHIPPING
    66 Inch Smooth Rolled Edge Half Fenders W/ Mounting Kit Stainless Steel

    66 Inch Smooth Rolled Edge Half Fenders W/ Mounting Kit Stainless Steel

    TRUX ACCESSORIES

    $1,053.99
    Smooth Rolled Edge Half Fenders W/ Mounting Kit Stainless Steel 66 InchUpgrade your rig with this premium Smooth Rolled Edge Half Fender Kit with Mounting Kit, designed for strength, style, and...
    09-110302013K
    SKU:
    09-110302013K
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $1,053.99
    Qty in Cart: 0
    Price:
    $1,053.99
    Subtotal:
  • LC 7-5 X 24 Chrome Plated Steel Bullhorn Top Stack

    LC 7-5 X 24 Chrome Plated Steel Bullhorn Top Stack

    LINCOLN CHROME

    $367.99
    7-5 X 24 Inch Bullhorn Stack By Lincoln ChromeUpgrade your exhaust styling with the Lincoln Chrome Bullhorn Top Stack, built for strength, durability, and long-lasting performance in heavy-duty...
    09-08652406
    SKU:
    09-08652406
    Height Options:
    24 Inch
    Location:
    Made In USA
    Diameter Options:
    7 Inch
    Style Options:
    Bull Hauler Turn
    Material Options:
    Steel
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Make:
    Universal Items
    $367.99
    Qty in Cart: 0
    Price:
    $367.99
    Subtotal:
  • 60 Inch Smooth Rolled Edge Flange Half Fenders W/ Mounting Kit, Triangular Style Center Mounting Brackets 16 Gauge Stainless Steel

    60 Inch Smooth Rolled Edge Flange Half Fenders W/ Mounting Kit, Triangular Style Center Mounting Brackets 16 Gauge Stainless Steel

    TRUX ACCESSORIES

    $597.99
    Smooth Rolled Edge Flange Half Fenders W/ Mounting Kit, Triangular Style Center Mounting Brackets 60 Inch 16 Gauge Stainless SteelEnhance your rig's protection and style with this high-quality Half...
    09-110302017K
    SKU:
    09-110302017K
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $597.99
    Qty in Cart: 0
    Price:
    $597.99
    Subtotal:
  • FREE SHIPPING
    80 Inch Smooth Rolled Edge Half Fenders W/ Mounting Kit 16 Gauge Stainless Steel

    80 Inch Smooth Rolled Edge Half Fenders W/ Mounting Kit 16 Gauge Stainless Steel

    TRUX ACCESSORIES

    $1,030.99
    Smooth Rolled Edge Half Fenders W/ Mounting Kit 16 Gauge Stainless Steel 80 InchThis premium Rolled Edge Half Fender Kit with Mounting Hardware is built for durability, protection, and a clean...
    09-110302016K
    SKU:
    09-110302016K
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $1,030.99
    Qty in Cart: 0
    Price:
    $1,030.99
    Subtotal:
  • LC 7-5 X 64 Chrome Bull Hauler Exhaust Stack W/ 5 Inch OD On Bottom

    LC 7-5 X 64 Chrome Bull Hauler Exhaust Stack W/ 5 Inch OD On Bottom

    LINCOLN CHROME

    $701.99
    7-5 X 64 Inch Bull Hauler Exhaust Stack W/ 5 Inch OD On Bottom By Lincoln ChromeUpgrade your rig with the durable and eye-catching Bull Hauler Exhaust Stack, designed to deliver both premium...
    09-08010296
    SKU:
    09-08010296
    Height Options:
    64 Inch
    Style Options:
    Bull Hauler Turn
    Diameter Options:
    7 Inch
    Location:
    Made In USA
    Finish Options:
    Chrome-Plated
    Material Options:
    Steel
    Product Type:
    Exhaust
    Make:
    Universal Items
    $701.99
    Qty in Cart: 0
    Price:
    $701.99
    Subtotal:
  • Stainless Steel Hydraulic Tank Strap For 24 Inch Tanks

    Stainless Steel Hydraulic Tank Strap For 24 Inch Tanks

    AFTERMARKET

    $56.39
    Hydraulic Tank Strip Stainless Steel Fits 24 Inch TanksSecure your hydraulic system with the Stainless Steel Hydraulic Tank Strap, designed for strength, durability, and long-lasting performance in...
    09-06010017
    SKU:
    09-06010017
    Length Options:
    24 Inch
    Product Type:
    Fuel Tanks
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $56.39
    Qty in Cart: 0
    Price:
    $56.39
    Subtotal:
  • Total: items /

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.


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!