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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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  • LC 36 Chrome Bull Hauler Top Stack W/ 6-5 Inch OD Extended Plain End

    LC 36 Chrome Bull Hauler Top Stack W/ 6-5 Inch OD Extended Plain End

    LINCOLN CHROME

    $309.99
    36 Inch Bull Hauler Top Stack W/ 6-5 Inch OD Extended Plain End By Lincoln ChromeEnhance your truck's appearance and exhaust performance with the Bull Hauler Top Stack, built for drivers who want...
    09-086536043E
    SKU:
    09-086536043E
    Location:
    Made In USA
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Diameter Options:
    6 Inch
    Height Options:
    36 Inch
    Material Options:
    Steel
    Style Options:
    Bull Hauler Turn
    Make:
    Universal Items
    $309.99
    Qty in Cart: 0
    Price:
    $309.99
    Subtotal:
  • FREE SHIPPING
    80 Inch Stainless Steel Smooth Single Axle Fenders & Heavy Duty Mounting Kit

    80 Inch Stainless Steel Smooth Single Axle Fenders & Heavy Duty Mounting Kit

    TRUX ACCESSORIES

    $1,251.99
    Smooth Single Axle Fenders & Heavy Duty Mounting Kit Stainless Steel 80 InchUpgrade your truck's protection and appearance with this premium Smooth Single Axle Fender Kit with Heavy Duty Mounting...
    09-110301017K
    SKU:
    09-110301017K
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $1,251.99
    Qty in Cart: 0
    Price:
    $1,251.99
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  • Iowa Customs Merritt Dynadeck Pogo Stick Plate Only

    Iowa Customs Merritt Dynadeck Pogo Stick Plate Only

    IOWA CUSTOMS

    $124.99
    Stainless Steel Merritt Dynadeck Pogo Stick Plate Only, Snap-On By Iowa CustomsImprove your trailer deck durability and appearance with the Iowa Customs Pogo Stick Plate Only, designed for strength,...
    09-05500180
    SKU:
    09-05500180
    Location:
    Made In USA
    Product Type:
    Air, Electrical, & Safety
    Finish Options:
    Polished
    Material Options:
    Stainless Steel
    Type Options:
    Snap Mount
    Make:
    Universal Items
    $124.99
    Qty in Cart: 0
    Price:
    $124.99
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  • FREE SHIPPING OVER $249
    Standard Style Horn Cover Chrome Plated Steel, 7 1/4 To 7 1/2 Inch Diameter

    Standard Style Horn Cover Chrome Plated Steel, 7 1/4 To 7 1/2 Inch Diameter

    GRAND GENERAL

    $17.42
    7 1/4 To 7 1/2 Inch Diameter Chrome Plated Steel Standard Style Horn CoverEnhance your truck's interior styling with the Standard Style Horn Cover, built for durability, fitment accuracy, and...
    09-0513138
    SKU:
    09-0513138
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Style Options:
    Standard
    Material Options:
    Steel
    Make:
    Universal Items
    $17.42
    Qty in Cart: 0
    Price:
    $17.42
    Subtotal:
  • FREE SHIPPING OVER $249
    Black Painted Steel Mounted Bracket For 24 Inch Saddlemount Hydraulic Tank

    Black Painted Steel Mounted Bracket For 24 Inch Saddlemount Hydraulic Tank

    AFTERMARKET

    $134.39
    Mounted Bracket Black Painted Steel Fits 24 Inch Saddlemount Hydraulic TankSecure your hydraulic system with the Stainless Steel Hydraulic Tank Strap, designed for strength, durability, and...
    09-06010018
    SKU:
    09-06010018
    Material Options:
    Steel
    Color:
    Black
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    $134.39
    Qty in Cart: 0
    Price:
    $134.39
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  • Teltek Fuel Pressure PSI Sensor 0 to 150 PSI, 1/8 Inch NPT Thread

    Teltek Fuel Pressure PSI Sensor 0 to 150 PSI, 1/8 Inch NPT Thread

    TELTEK

    $121.99
    0 To 150 PSI Fuel Pressure Sensor W/ 1/8 Inch NPT ThreadEnsure accurate fuel system monitoring with the Teltek Fuel Pressure PSI Sensor, designed for dependable performance in heavy-duty truck and...
    09-071000108
    SKU:
    09-071000108
    Location:
    Made In USA
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    $121.99
    Qty in Cart: 0
    Price:
    $121.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Iowa Customs 16 Inch Stainless Steel Rear Center Panel W/ Radius Corners, 5 X 4 Inch Light Holes

    Iowa Customs 16 Inch Stainless Steel Rear Center Panel W/ Radius Corners, 5 X 4 Inch Light Holes

    IOWA CUSTOMS

    Now: $710.39
    Was: $887.99
    Stainless Steel Rear Center Panel W/ Radius Corners 16 Inch, 5 X 4 Inch Light Holes By Iowa CustomsUpgrade your rig's rear lighting setup with this premium Iowa Customs Stainless Steel Rear Center...
    09-05160038
    SKU:
    09-05160038
    Finish Options:
    Polished
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Location:
    Made In USA
    Width Options:
    33 Inch
    Height Options:
    16 Inch
    Product Type:
    Bumpers
    Make:
    Universal Items
    Now: $710.39
    Was: $887.99
    Qty in Cart: 0
    Price:
    Now: $710.39
    Was: $887.99
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  • Iowa Customs Stainless Steel Inserts For Merritt Dyna Deck Flush Mount Deck Plates

    Iowa Customs Stainless Steel Inserts For Merritt Dyna Deck Flush Mount Deck Plates

    IOWA CUSTOMS

    $71.99
    Inserts For Merritt Dyna Deck Flush Mount Deck Plates Stainless Steel By Iowa CustomsUpgrade your trailer deck finish with the Iowa Customs Stainless Steel, built for durability, corrosion...
    09-050300070
    SKU:
    09-050300070
    Location:
    Made In USA
    Product Type:
    Frame & Chassis
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
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  • Iowa Customs Merritt Dynadeck Slide In Rail Deck Plate Accessories, 20 Inch Storage Box Only, Stainless Steel

    Iowa Customs Merritt Dynadeck Slide In Rail Deck Plate Accessories, 20 Inch Storage Box Only, Stainless Steel

    IOWA CUSTOMS

    $1,197.99
    20 Inch Stainless Steel Merritt Dynadeck Slide In Rail Deck Plate Accessories, Storage Box OnlyImprove your truck's storage efficiency with this premium Iowa Customs Slide In Rail Deck Storage Box,...
    09-0503000022
    SKU:
    09-0503000022
    Location:
    Made In USA
    Product Type:
    Frame & Chassis
    Length Options:
    14 Inch
    Width Options:
    20 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $1,197.99
    Qty in Cart: 0
    Price:
    $1,197.99
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  • Bulldog Suspension Shock Front, Extended Length 26.85 Inch, Collapsed 16.61 Inch

    Bulldog Suspension Shock Front, Extended Length 26.85 Inch, Collapsed 16.61 Inch

    BULLDOG HD SHOCKS

    $42.33
    Front Suspension Shock Extended Length 26.85 Inch, Collapsed 16.61 InchRestore dependable steering response and ride quality with this high-quality Bulldog Front Suspension Shock designed for...
    09-05000005
    SKU:
    09-05000005
    Product Type:
    Frame & Chassis
    Style Options:
    Heavy Duty
    Length Options:
    27 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $42.33
    Qty in Cart: 0
    Price:
    $42.33
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  • FREE SHIPPING OVER $249
    Vent Plug W/ 40 Micron Filter, Steel, 3/4 Inch NPT Thread

    Vent Plug W/ 40 Micron Filter, Steel, 3/4 Inch NPT Thread

    BUYERS PRODUCTS

    $16.53
    Hydraulic Tank Steel Vent Plug W/ 40 Micron Filter, Steel, 3/4 Inch NPT ThreadImprove hydraulic system protection and reliability with this high-quality Vent Plug, designed for heavy-duty hydraulic...
    09-02500274
    SKU:
    09-02500274
    Product Type:
    Cargo Control
    Height Options:
    3 Inch
    Material Options:
    Steel
    Diameter Options:
    3 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $16.53
    Qty in Cart: 0
    Price:
    $16.53
    Subtotal:
  • Iowa Customs On Top Dyna-Deck Airline Box 45 Degree Low Profile W/ Smooth Aluminum

    Iowa Customs On Top Dyna-Deck Airline Box 45 Degree Low Profile W/ Smooth Aluminum

    IOWA CUSTOMS

    $718.99
    Smooth Aluminum On Top Dyna-Deck Airline Box 45 Degree Low Profile By Iowa CustomsEnhance your deck system functionality with this high-quality Iowa Customs Airline Box featuring a 45 degree low...
    09-050400036
    SKU:
    09-050400036
    Style Options:
    Recessed
    Finish Options:
    Smooth
    Degree Options:
    45
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    Location:
    Made In USA
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $718.99
    Qty in Cart: 0
    Price:
    $718.99
    Subtotal:
  • Spring Load Mud Flap Hanger, Straight 30 Inch Length, 2.5 Inch Bolt Center SS

    Spring Load Mud Flap Hanger, Straight 30 Inch Length, 2.5 Inch Bolt Center SS

    GRAND GENERAL

    $260.99
    Stainless Steel Mud Flap Hanger - Spring Load, Straight, 30 Inch Length, 2.5 Inch Bolt CenterEnhance rear-end protection and long-term durability with the Spring Load Mud Flap Hanger, designed for...
    09-0507407
    SKU:
    09-0507407
    Product Type:
    Frame & Chassis
    Material Options:
    Stainless Steel
    Length Options:
    30 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $260.99
    Qty in Cart: 0
    Price:
    $260.99
    Subtotal:
  • Iowa Customs Merritt Dyna Deck In-Frame Deck Plate W/ Recessed Airline Box, 30 1/4 Wide Inch X 65 1/4 Inch Long

    Iowa Customs Merritt Dyna Deck In-Frame Deck Plate W/ Recessed Airline Box, 30 1/4 Wide Inch X 65 1/4 Inch Long

    IOWA CUSTOMS

    $1,202.99
    Merritt Dyna Deck In-Frame Deck Plate W/ Recessed Airline Box, 30 1/4 Wide Inch X 65 1/4 Inch Long By Iowa CustomsImprove underframe organization and functionality with the Iowa Customs In-Frame Deck...
    09-0503000016
    SKU:
    09-0503000016
    Product Type:
    Frame & Chassis
    Finish Options:
    Paintable
    Length Options:
    65 Inch
    Location:
    Made In USA
    Material Options:
    Aluminum
    Style Options:
    Recessed
    Width Options:
    30 Inch
    Make:
    Universal Items
    $1,202.99
    Qty in Cart: 0
    Price:
    $1,202.99
    Subtotal:
  • Iowa Customs Stainless Steel In-Frame Dove Tail Rail Covers

    Iowa Customs Stainless Steel In-Frame Dove Tail Rail Covers

    IOWA CUSTOMS

    $305.99
    Stainless Steel In-Frame Dove Tail Rail Covers By Iowa CustomsEnhance the look and durability of your rig with these premium Iowa Customs In-Frame Dove Tail Rail Covers, crafted from high-quality 304...
    09-0503000021
    SKU:
    09-0503000021
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    Style Options:
    Dove Tail
    Location:
    Made In USA
    Make:
    Universal Items
    $305.99
    Qty in Cart: 0
    Price:
    $305.99
    Subtotal:
  • FREE SHIPPING OVER $249
    SCI Diamond Billet Foot Pedal Set W/ Accelerator, Brake & Clutch Pedal Cover For Kenworth T440, T470, T700, T800 & W900

    SCI Diamond Billet Foot Pedal Set W/ Accelerator, Brake & Clutch Pedal Cover For Kenworth T440, T470, T700, T800 & W900

    STEERING CREATIONS

    $239.99
    Diamond Billet Foot Pedal Set W/ Accelerator, Brake & Clutch Pedal CoverUpgrade your truck's interior control and styling with the SCI Diamond Billet Foot Pedal Set, built for durability, precision,...
    02-15110047
    SKU:
    02-15110047
    Product Type:
    Interior
    Material Options:
    Billet Aluminum
    Make:
    Kenworth
    $239.99
    Qty in Cart: 0
    Price:
    $239.99
    Subtotal:
  • Stainless Steel Fog Light Switch Plate - Flood Lights On/Off For Kenworth

    Stainless Steel Fog Light Switch Plate - Flood Lights On/Off For Kenworth

    GRAND GENERAL

    $2.77
    Fog Light Switch Plate - Flood Lights On/Off Stainless Steel Fits KenworthUpgrade your Kenworth interior controls with this high-quality Stainless Steel Fog Light Switch Plate with Flood Lights...
    02-150100107
    SKU:
    02-150100107
    Height Options:
    1 1/4 Inch
    Width Options:
    1/8 Inch
    Product Type:
    Interior
    Material Options:
    Stainless Steel
    Make:
    Kenworth
    $2.77
    Qty in Cart: 0
    Price:
    $2.77
    Subtotal:
  • Refrigerator On Indicator Light Single Switch Plate 1 3/16 Width & 1 7/8 Inch Height For Kenworth

    Refrigerator On Indicator Light Single Switch Plate 1 3/16 Width & 1 7/8 Inch Height For Kenworth

    GRAND GENERAL

    $3.29
    Stainless Steel Refrigerator On Indicator Light Single Switch Plate 1 3/16 Width & 1 7/8 Inch HeightImprove your cab's control visibility with the Refrigerator On Indicator Light Single Switch Plate,...
    02-150200434
    SKU:
    02-150200434
    Height Options:
    1 3/4 Inch
    Product Type:
    Interior
    Width Options:
    1 1/8 Inch
    Material Options:
    Stainless Steel
    Make:
    Kenworth
    $3.29
    Qty in Cart: 0
    Price:
    $3.29
    Subtotal:
  • Old Style Kenworth Emblem, Dark Red W/ Chrome For Kenworth

    Old Style Kenworth Emblem, Dark Red W/ Chrome For Kenworth

    DELPANN

    $297.99
    Dark Red W/ Chrome Old Style Kenworth EmblemAdd a classic finishing touch to your truck with the Old Style Kenworth Emblem, Dark Red W/ Chrome, designed to deliver timeless styling and premium...
    02-092000028
    SKU:
    02-092000028
    Height Options:
    8 1/4 Inch
    Width Options:
    4 1/2 Inch
    Finish Options:
    Chrome-Plated
    Product Type:
    Hood Parts & Acc.
    Material Options:
    Aluminum
    Style Options:
    Old Kenworth Style
    Make:
    Kenworth
    $297.99
    Qty in Cart: 0
    Price:
    $297.99
    Subtotal:
  • BESTfit 5 Inch Pre-Cut Galvanized Metal Flex Hose

    BESTfit 5 Inch Pre-Cut Galvanized Metal Flex Hose

    BESTFIT TRUCK PARTS

    $20.19 - $80.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 5 X 12 Inch Galvanized Steel Flex Hose5 X 12 Inch Galvanized Flex Hose By BESTfit* High Quality...
    PPR_300291
    SKU:
    PPR_300291
    Finish Options:
    Galvanized
    Length Options:
    18 Inch
    Length Options:
    60 Inch
    Product Type:
    Exhaust
    Material Options:
    Steel
    Style Options:
    Pre-Cut
    Diameter Options:
    5 Inch
    Length Options:
    12 Inch
    Length Options:
    48 Inch
    Style Options:
    Flex
    Make:
    Universal Items
    $20.19 - $80.99
    Qty in Cart: 0
    Price:
    $20.19 - $80.99
    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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