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
  • Stainless Steel Sleeper Light Adapter Kit W/ Red Standard Watermelon LED Light/ Clear Lens

    Stainless Steel Sleeper Light Adapter Kit W/ Red Standard Watermelon LED Light/ Clear Lens

    SHIFT PRODUCTS

    $348.99
    4 Piece Sleeper Light Adapter Kit W/ Red Standard Watermelon LED Light/ Clear LensAdd professional-grade lighting to your truck with this Stainless Steel Sleeper Light Adapter Kit, including four red...
    09-161100042
    SKU:
    09-161100042
    Material Options:
    Stainless Steel
    Light Options:
    With Lights
    Product Type:
    Lighting
    Color:
    Red/White
    Style Options:
    Watermelon
    Make:
    Universal Items
    $348.99
    Qty in Cart: 0
    Price:
    $348.99
    Subtotal:
  • 24 Inch LED Flexible Light Strip- Green

    24 Inch LED Flexible Light Strip- Green

    LIFETIME NUT COVERS

    $71.99
    Green 24 Inch LED Flexible Light StripAdd a pop of color and functional lighting to your vehicle with the 24 Inch LED Flexible Light Strip in green. Built for quality and reliability, this...
    09-160104270
    SKU:
    09-160104270
    Color:
    Green
    Style Options:
    LED
    Product Type:
    Lighting
    Length Options:
    24 Inch
    Location:
    Made In USA
    Make:
    Universal Items
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • Stainless Steel Outward Facing Under Frame Light Bracket W/ Watermelon Light Hole

    Stainless Steel Outward Facing Under Frame Light Bracket W/ Watermelon Light Hole

    SHIFT PRODUCTS

    $56.99
    Outward Facing Under Frame Light Bracket W/ Watermelon Light HoleSecure your under-frame lighting with the Stainless Steel Outward Facing Bracket featuring a watermelon-style light hole. Crafted from...
    09-161000052
    SKU:
    09-161000052
    Product Type:
    Lighting
    Material Options:
    Stainless Steel
    Size Options:
    16 Gauge
    Light Options:
    Without Lights
    Make:
    Universal Items
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • Chrome Plastic Digital Clock Cover

    Chrome Plastic Digital Clock Cover

    LIFETIME NUT COVERS

    $12.82
    Chrome Digital Clock CoverKeep your digital clock looking new and enhance your truck interior with the Chrome Plastic Digital Clock Cover. Constructed from durable chrome plastic, this snap- on cover...
    09-15020183
    SKU:
    09-15020183
    Material Options:
    Plastic/Poly
    Location:
    Made In USA
    Product Type:
    Interior
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    $12.82
    Qty in Cart: 0
    Price:
    $12.82
    Subtotal:
  • Gray Single Axle Fender With Medium Trim

    Gray Single Axle Fender With Medium Trim

    WTI FENDERS

    $599.99
    Single Axle Fender With Medium Trim- GrayKeep your truck looking and performing its best with the Gray Single Axle Fender with Medium Trim. High-quality composite fiberglass with balsa core lining...
    09-11040166
    SKU:
    09-11040166
    Color:
    Gray
    Finish Options:
    Paintable
    Product Type:
    Rear Fenders
    Location:
    Made In USA
    Material Options:
    Fiberglass
    Make:
    Universal Items
    Width Options:
    24 1/2 Inch
    Type Options:
    Full Radius Fender
    Length Options:
    48 1/2 Inch
    Height Options:
    30 1/2 Inch
    $599.99
    Qty in Cart: 0
    Price:
    $599.99
    Subtotal:
  • Black Single Axle Fender W/ Wide Trim & Light Box- Passenger Side

    Black Single Axle Fender W/ Wide Trim & Light Box- Passenger Side

    WTI FENDERS

    $709.99
    Passenger Side Black Single Axle Fender W/ Wide Trim & Light BoxDesigned for long-lasting protection and custom appeal, the Black Single Axle Fender with wide trim and integrated light box delivers...
    09-11040142
    SKU:
    09-11040142
    Location:
    Made In USA
    Width Options:
    26 Inch
    Length Options:
    52 Inch
    Material Options:
    Fiberglass
    Product Type:
    Rear Fenders
    Position:
    Passenger Side
    Color:
    Black
    Make:
    Universal Items
    Type Options:
    Full Radius Fender
    Height Options:
    30 1/2 Inch
    $709.99
    Qty in Cart: 0
    Price:
    $709.99
    Subtotal:
  • 8 Inch USA Flag Emblem Plate

    8 Inch USA Flag Emblem Plate

    REALWHEELS

    $38.55
    USA Flag Emblem PlateShow your pride and add a bold, patriotic touch to your truck with the 8 Inch USA Flag Emblem Plate, crafted for both style and durability. This high-quality emblem plate...
    09-092000011
    SKU:
    09-092000011
    Location:
    Made In USA
    Product Type:
    Hood Parts & Acc.
    Width Options:
    8 Inch
    Make:
    Universal Items
    Shape Options:
    Oval
    $38.55
    Qty in Cart: 0
    Price:
    $38.55
    Subtotal:
  • 1-1/16 Inch Chrome Plastic Push- On Top Hat Nut Cover

    1-1/16 Inch Chrome Plastic Push- On Top Hat Nut Cover

    LIFETIME NUT COVERS

    $3.05
    Chrome 1-1/16 Inch Top Hat Nut CoverMaintain the integrity of your lift axle nuts with the 1-1/16 Inch Chrome Plastic Push-On Top Hat Nut Cover, designed for durability and visual appeal. Constructed...
    09-05060095
    SKU:
    09-05060095
    Location:
    Made In USA
    Finish Options:
    Chrome-Plated
    Style Options:
    Top Hat
    Material Options:
    Plastic/Poly
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $3.05
    Qty in Cart: 0
    Price:
    $3.05
    Subtotal:
  • Stainless Steel Turn Signal Light Brackets W/ Out Logo & Lights

    Stainless Steel Turn Signal Light Brackets W/ Out Logo & Lights

    SHIFT PRODUCTS

    $145.99
    Turn Signal Light Brackets W/ Out Logo & LightsAdd strength, durability, and visual appeal to your truck's turn signal lights with the Stainless Steel Turn Signal Light Brackets. Made from premium...
    09-09150131
    SKU:
    09-09150131
    Light Options:
    Without Lights
    Style Options:
    Watermelon
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Make:
    Universal Items
    $145.99
    Qty in Cart: 0
    Price:
    $145.99
    Subtotal:
  • Steel Adapter JIC Male/NPTF Female Replaces JCM06-NPF06

    Steel Adapter JIC Male/NPTF Female Replaces JCM06-NPF06

    AUTOMANN USA

    $4.40
    3/8 Inch-18 ID X 9/16 Inch-18 Steel AdapterMaintain superior hydraulic and fuel system integrity with the Steel Adapter JIC Male/NPTF Female, a high-strength solution for professional applications...
    09-02500246
    SKU:
    09-02500246
    Product Type:
    Cargo Control
    Material Options:
    Steel
    Diameter Options:
    3/8 Inch
    Make:
    Universal Items
    $4.40
    Qty in Cart: 0
    Price:
    $4.40
    Subtotal:
  • 24 X 24 Inch Black Powder Coated Steel Mounting Bracket For Under Body Tool Boxes

    24 X 24 Inch Black Powder Coated Steel Mounting Bracket For Under Body Tool Boxes

    AUTOMANN USA

    $140.99
    24 X 24 Inch Under Body Tool Box Mounting BracketsSecure your underbody tool boxes with the 24 X 24 Inch Black Powder Coated Steel Mounting Bracket, designed for heavy-duty strength and long-lasting...
    09-020100551
    SKU:
    09-020100551
    Product Type:
    Frame & Chassis
    Finish Options:
    Black Powder Coat
    Material Options:
    Steel
    Width Options:
    24 Inch
    Length Options:
    24 Inch
    Make:
    Universal Items
    $140.99
    Qty in Cart: 0
    Price:
    $140.99
    Subtotal:
  • Stainless Steel Mud Flap Hanger 30 X 7.25 Inch W/ 2.5 Inch Bolt Spacing, 6 Round 4 Inch Watermelon Red/Green LEDs & Clear Lens

    Stainless Steel Mud Flap Hanger 30 X 7.25 Inch W/ 2.5 Inch Bolt Spacing, 6 Round 4 Inch Watermelon Red/Green LEDs & Clear Lens

    TRUX ACCESSORIES

    $389.99
    Mud Flap Hanger 30 X 7.25 Inch Stainless Steel W/ 2.5 Inch Bolt Spacing, 6 Round 4 Inch Watermelon Red/Green LEDs & Clear LensEnsure your truck stands out on the road with these 30 Inch Stainless...
    09-011200065
    SKU:
    09-011200065
    Light Options:
    With Lights
    Height Options:
    7 Inch
    Width Options:
    30 Inch
    Color:
    Red/Green
    Style Options:
    Watermelon
    Finish Options:
    Mirror
    Material Options:
    Stainless Steel
    Product Type:
    Bumpers
    Make:
    Universal Items
    $389.99
    Qty in Cart: 0
    Price:
    $389.99
    Subtotal:
  • Stainless Steel Front Fender Trim For Kenworth T170, T270, T370 & T440

    Stainless Steel Front Fender Trim For Kenworth T170, T270, T370 & T440

    TRUX ACCESSORIES

    $159.99
    Front Fender TrimWhen you want durability that shines, this Stainless Steel Front Fender Trim for Kenworth T170, T270, T370, and T440 delivers. Expertly crafted from high-quality stainless steel,...
    02-127000013
    SKU:
    02-127000013
    Product Type:
    Hood Parts & Acc.
    Material Options:
    Stainless Steel
    Make:
    Kenworth
    $159.99
    Qty in Cart: 0
    Price:
    $159.99
    Subtotal:
  • Vendetta Steel Half Fender Bracket Blind Mount W/ Front Suspension Brackets & Class 8 Universal Mounting Brackets For Kenworth

    Vendetta Steel Half Fender Bracket Blind Mount W/ Front Suspension Brackets & Class 8 Universal Mounting Brackets For Kenworth

    VENDETTA

    $613.99
    Steel Half Fender Bracket Blind Mount W/ 2 Front Suspension Brackets & 2 Class 8 Universal Mounting Brackets By Vendetta Fits KenworthUpgrade your Class 8 truck with the AG400 8 Bag Half Fender...
    02-1110006
    SKU:
    02-1110006
    Material Options:
    Steel
    Product Type:
    Rear Fenders
    Width Options:
    1/2 Inch
    Make:
    Kenworth
    Position:
    Kit Full
    Type Options:
    Blind Mount
    Style Options:
    Half Fender
    Location:
    Made In USA
    $613.99
    Qty in Cart: 0
    Price:
    $613.99
    Subtotal:
  • 15 Inch Front Stainless Steel Air Cleaner Panels W/ 2 Watermelon Light Holes For Kenworth

    15 Inch Front Stainless Steel Air Cleaner Panels W/ 2 Watermelon Light Holes For Kenworth

    JML KUSTOMS

    $210.99
    15 Inch Front Air Cleaner Panels W/ 2 Watermelon Light HolesAdd style, function, and durability to your Kenworth with the 15 Inch Front Stainless Steel Air Cleaner Panels with 2 Watermelon Light...
    02-090500419
    SKU:
    02-090500419
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Light Options:
    Without Lights
    Height Options:
    15 Inch
    Style Options:
    Straight Drop
    Make:
    Kenworth
    Ready To Ship:
    Yes
    $210.99
    Qty in Cart: 0
    Price:
    $210.99
    Subtotal:
  • Webbed Cargo Strap 2” X 30’ W/ Narrow Flat Hooks

    Webbed Cargo Strap 2” X 30’ W/ Narrow Flat Hooks

    BESTFIT TRUCK PARTS

    $19.99
    Narrow Flat Hook Ratchet AssemblyThe 2" x 30' Webbed Cargo Strap with Narrow Flat Hooks is built for reliable load securement on flatbeds, trailers, and other heavy-duty applications. Featuring a...
    09-0207136
    SKU:
    09-0207136
    Product Type:
    Cargo Control
    Rating:
    2000 LBS
    Color:
    Yellow
    Length Options:
    360 Inch
    Make:
    Universal Items
    Width Options:
    2 Inch
    Ready To Ship:
    Yes
    $19.99
    Qty in Cart: 0
    Price:
    $19.99
    Subtotal:
  • 4 Bay J-Lock Load Lock Rack With Tray- Vertical Mount

    4 Bay J-Lock Load Lock Rack With Tray- Vertical Mount

    JONES MFG

    $129.99
    Vertical Mount 4 Bay J-Lock Load Lock Rack With TraySecure and organize your load bars with the 4 Bay J-Lock Load Lock Rack with Tray - Vertical Mount. Crafted from powder-coated aluminum for lasting...
    09-020200095
    SKU:
    09-020200095
    Finish Options:
    Black Powder Coat
    Material Options:
    Aluminum
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $129.99
    Qty in Cart: 0
    Price:
    $129.99
    Subtotal:
  • Hub Cap Oiler Center Fill Plug Replaces E04000, E04000V, 9105S

    Hub Cap Oiler Center Fill Plug Replaces E04000, E04000V, 9105S

    AUTOMANN USA

    $1.31
    1.62 Inch Oil Hub Cap Center Fill PlugKeep your wheel hubs sealed and protected with this Oil Hub Cap Center Fill Plug. Crafted from high-quality materials, this plug is designed for long-lasting...
    29-20200057
    SKU:
    29-20200057
    Diameter Options:
    1 1/2 Inch
    Product Type:
    Wheels
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $1.31
    Qty in Cart: 0
    Price:
    $1.31
    Subtotal:
  • Stainless Steel Watermelon Light Bracket- No lights For Kenworth

    Stainless Steel Watermelon Light Bracket- No lights For Kenworth

    SHIFT PRODUCTS

    $42.83
    Watermelon Light Bracket- No lightsFor a clean, polished lighting upgrade, choose the Stainless Steel Watermelon Light Bracket - No Lights designed specifically for Kenworth models. Made with...
    29-16110000
    SKU:
    29-16110000
    Style Options:
    Watermelon
    Product Type:
    Lighting
    Make:
    Kenworth
    $42.83
    Qty in Cart: 0
    Price:
    $42.83
    Subtotal:
  • MV3 Type Dash Control Module Replaces 065379, 065159, 800517

    MV3 Type Dash Control Module Replaces 065379, 065159, 800517

    AFTERMARKET

    $122.99
    MV3 Type Dash Control ModuleEnsure your heavy-duty truck's brakes respond exactly when needed with this MV3 type dash control module, replacing 065379, 065159, and 800517. Featuring five 1/4-inch NPT...
    29-150100075
    SKU:
    29-150100075
    Product Type:
    Interior
    Width Options:
    1 1/2 Inch
    Length Options:
    5 3/4 Inch
    Make:
    Universal Items
    $122.99
    Qty in Cart: 0
    Price:
    $122.99
    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!