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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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  • Ultraburst Chrome Double Face Glass Watermelon Light- Amber & Red LED W/ Amber & Red Lens

    Ultraburst Chrome Double Face Glass Watermelon Light- Amber & Red LED W/ Amber & Red Lens

    UNITED PACIFIC

    $98.99
    Amber & Red LED W/ Amber & Red Lens Chrome Double Face Glass Watermelon LightDrive with confidence using the Ultraburst Chrome Double Face Glass Watermelon Light, a dual-function lighting solution...
    09-160001040
    SKU:
    09-160001040
    Color:
    Amber/Red
    Material Options:
    Glass
    Finish Options:
    Chrome-Plated
    Height Options:
    5 Inch
    Product Type:
    Lighting
    Style Options:
    Watermelon
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $98.99
    Qty in Cart: 0
    Price:
    $98.99
    Subtotal:
  • Bendix MV3 Dash Control Module Replaces 800259

    Bendix MV3 Dash Control Module Replaces 800259

    AFTERMARKET

    $637.99
    MV3 Dash Control Module W/ 1/4 Inch Mounting HoleThe Bendix MV3 Dash Control Module provides reliable, high-performance brake control for tractors and trailers. Replacing 800259, it is built to OE...
    09-15010128
    SKU:
    09-15010128
    Product Type:
    Interior
    Make:
    Universal Items
    $637.99
    Qty in Cart: 0
    Price:
    $637.99
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  • 1/2 Inch-13 Thread- On Piston Gearshift Knob

    1/2 Inch-13 Thread- On Piston Gearshift Knob

    UNITED PACIFIC

    $16.40
    Thread- On Piston Gearshift Knob- 1/2 Inch-13Bring style and functionality to your cab with the 1/2 Inch-13 Thread-On Piston Gearshift Knob, a high-quality piston-style knob crafted from aluminum and...
    09-1513645
    SKU:
    09-1513645
    Product Type:
    Interior
    Finish Options:
    Chrome-Plated
    Height Options:
    2 Inch
    Style Options:
    Thread On
    Diameter Options:
    2 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $16.40
    Qty in Cart: 0
    Price:
    $16.40
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  • Bendix MV3 Dash Control Module Replaces 800257

    Bendix MV3 Dash Control Module Replaces 800257

    AFTERMARKET

    $660.99
    MV3 Dash Control Module W/ 0.275 Inch Mounting HoleOptimize braking efficiency with the Bendix MV3 Dash Control Module, a reliable replacement for 800257. Engineered to OE Bendix MV3 standards, it...
    09-15010129
    SKU:
    09-15010129
    Product Type:
    Interior
    Make:
    Universal Items
    $660.99
    Qty in Cart: 0
    Price:
    $660.99
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  • Manifold Dash Control Module Replaces K095874, KN20615, N4400, N4400EK, 20QE3187M, RKN201615

    Manifold Dash Control Module Replaces K095874, KN20615, N4400, N4400EK, 20QE3187M, RKN201615

    AFTERMARKET

    $120.99
    Manifold Dash Control Module W/ 1/4 Inch NPT PortsReliable, compact, and efficient, the Manifold Dash Control Module replaces K095874, KN20615, N4400, N4400EK, 20QE3187M, and RKN201615 to provide...
    09-15010130
    SKU:
    09-15010130
    Height Options:
    3 Inch
    Product Type:
    Interior
    Width Options:
    4 1/16 Inch
    Make:
    Universal Items
    $120.99
    Qty in Cart: 0
    Price:
    $120.99
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  • Stainless Steel CB Radio Cover W/ Side Microphone Without Speaker Grille For Cobra 25 & Uniden 68 CB Radios

    Stainless Steel CB Radio Cover W/ Side Microphone Without Speaker Grille For Cobra 25 & Uniden 68 CB Radios

    ROADWORKS

    $60.99
    Side Microphone CB Radio Cover Without Speaker GrilleStep up your CB radio protection with the Stainless Steel CB Radio Cover W/ Side Microphone Without Speaker Grille, designed for Cobra 25 and...
    09-14070093
    SKU:
    09-14070093
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Product Type:
    Electronics
    Make:
    Universal Items
    $60.99
    Qty in Cart: 0
    Price:
    $60.99
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  • On Sale
    Limited Quantity Available
    Stainless Steel CB Radio Cover W/ Side Microphone Without Speaker Grille For Cobra 148, Uniden Grant, Galaxy, Connex & Texas Ranger CB Radios

    Stainless Steel CB Radio Cover W/ Side Microphone Without Speaker Grille For Cobra 148, Uniden Grant, Galaxy, Connex & Texas Ranger CB Radios

    ROADWORKS

    Now: $44.09
    Was: $62.99
    Side Microphone CB Radio Cover Without Speaker GrilleProtect your CB radios in style with the Stainless Steel CB Radio Cover W/ Side Microphone Without Speaker Grille, compatible with Cobra 148,...
    09-14070089
    SKU:
    09-14070089
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Product Type:
    Electronics
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $44.09
    Was: $62.99
    Qty in Cart: 0
    Price:
    Now: $44.09
    Was: $62.99
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  • Stainless Steel CB Radio Cover W/ Front Microphone Without Speaker Grille For Cobra 25, Uniden 66 & 68 CB Radios

    Stainless Steel CB Radio Cover W/ Front Microphone Without Speaker Grille For Cobra 25, Uniden 66 & 68 CB Radios

    ROADWORKS

    $60.99
    Front Microphone CB Radio Cover Without Speaker GrilleFor CB radios that endure daily wear, the Stainless Steel CB Radio Cover W/ Front Microphone Without Speaker Grille provides essential protection...
    09-14070095
    SKU:
    09-14070095
    Material Options:
    Stainless Steel
    Product Type:
    Electronics
    Location:
    Made In USA
    Make:
    Universal Items
    $60.99
    Qty in Cart: 0
    Price:
    $60.99
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  • Stainless Steel CB Radio Cover W/ Side Microphone For Cobra 25 & Uniden 68 CB Radios

    Stainless Steel CB Radio Cover W/ Side Microphone For Cobra 25 & Uniden 68 CB Radios

    ROADWORKS

    $66.99
    Side Microphone CB Radio CoverDelivering both protection and style, the Stainless Steel CB Radio Cover W/ Side Microphone fits Cobra 25 and Uniden 68 CB radios and provides reliable performance in...
    09-14070092
    SKU:
    09-14070092
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Product Type:
    Electronics
    Make:
    Universal Items
    $66.99
    Qty in Cart: 0
    Price:
    $66.99
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  • Tripod Fender Mirror Bracket- 5 Pack- Mirror Not Included

    Tripod Fender Mirror Bracket- 5 Pack- Mirror Not Included

    AFTERMARKET

    $384.99
    5 Pack Of Tripod Fender Mirror BracketsEnhance your truck's safety and mirror performance with the Tripod Fender Mirror Bracket - 5 Pack, built from high-quality stainless steel for durability and...
    09-12300003
    SKU:
    09-12300003
    Product Type:
    Hood Parts & Acc.
    Make:
    Universal Items
    $384.99
    Qty in Cart: 0
    Price:
    $384.99
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  • Stainless Steel CB Radio Cover W/ Front Microphone For Cobra 148, Uniden Grant, Galaxy, Northstar & Voyager CB Radios

    Stainless Steel CB Radio Cover W/ Front Microphone For Cobra 148, Uniden Grant, Galaxy, Northstar & Voyager CB Radios

    ROADWORKS

    $71.99
    Front Microphone CB Radio CoverEnsure your CB radio remains protected and fully functional with the Stainless Steel CB Radio Cover W/ Front Microphone With Speaker Grille. Designed for Cobra 148,...
    09-14070090
    SKU:
    09-14070090
    Product Type:
    Electronics
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
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  • Stainless Steel CB Radio Cover W/ Front Microphone Without Speaker Grille For Cobra 29, Uniden 76 & 78 CB Radios

    Stainless Steel CB Radio Cover W/ Front Microphone Without Speaker Grille For Cobra 29, Uniden 76 & 78 CB Radios

    ROADWORKS

    $66.99
    Front Microphone CB Radio Cover Without Speaker GrilleThe Stainless Steel CB Radio Cover W/ Front Microphone Without Speaker Grille is a premium solution for protecting and upgrading your CB radios...
    09-14070087
    SKU:
    09-14070087
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Product Type:
    Electronics
    Make:
    Universal Items
    $66.99
    Qty in Cart: 0
    Price:
    $66.99
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  • Stainless Steel CB Radio Cover W/ Front Microphone Without Speaker Grille For Cobra 148, Uniden Grant, Galaxy, Northstar & Voyager CB Radios

    Stainless Steel CB Radio Cover W/ Front Microphone Without Speaker Grille For Cobra 148, Uniden Grant, Galaxy, Northstar & Voyager CB Radios

    ROADWORKS

    $66.99
    Front Microphone CB Radio Cover Without Speaker GrilleTake control of your CB radio protection with the Stainless Steel CB Radio Cover W/ Front Microphone Without Speaker Grille, designed to handle...
    09-14070091
    SKU:
    09-14070091
    Product Type:
    Electronics
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $66.99
    Qty in Cart: 0
    Price:
    $66.99
    Subtotal:
  • Stainless Steel CB Radio Cover W/ Side Microphone, W/Out Speaker Grille

    Stainless Steel CB Radio Cover W/ Side Microphone, W/Out Speaker Grille

    ROADWORKS

    $66.99
    CB Radio Cover W/ Side Microphone, W/Out Speaker GrilleUpgrade and protect your CB radio setup with the Stainless Steel CB Radio Cover W/ Side Microphone, Without Speaker Grille, designed for Cobra...
    09-14070086
    SKU:
    09-14070086
    Product Type:
    Electronics
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $66.99
    Qty in Cart: 0
    Price:
    $66.99
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  • 80 Inch Smooth Stainless Steel Half Fender

    80 Inch Smooth Stainless Steel Half Fender

    UNITED PACIFIC

    $815.99
    80 Inch Smooth 430 Stainless Steel Half FenderAdd superior protection and sleek design to your truck with the 80 Inch Smooth Stainless Steel Half Fender. Built from robust 16-gauge 430 stainless...
    09-110302012
    SKU:
    09-110302012
    Width Options:
    24 Inch
    Material Options:
    Stainless Steel
    Height Options:
    35 Inch
    Product Type:
    Rear Fenders
    Length Options:
    80 Inch
    Size Options:
    16 Gauge
    Make:
    Universal Items
    $815.99
    Qty in Cart: 0
    Price:
    $815.99
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  • DPF Strap Clamp W/ T-Bolt- 13.625 Inch

    DPF Strap Clamp W/ T-Bolt- 13.625 Inch

    AUTOMANN USA

    $22.90
    13.625 Inch DPF Strap Clamp W/ T-BoltSecure your Diesel Particulate Filter with the DPF Strap Clamp W/ T-Bolt - 13.625 Inch, engineered for reliability and long-term durability. Constructed from...
    09-08060000
    SKU:
    09-08060000
    Material Options:
    Stainless Steel
    Product Type:
    Exhaust
    Diameter Options:
    13 1/2 Inch
    Make:
    Universal Items
    $22.90
    Qty in Cart: 0
    Price:
    $22.90
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  • 1.25 Inch Oil Filler Cap

    1.25 Inch Oil Filler Cap

    AUTOMANN USA

    $20.81
    Oil Filler Cap- 1.25 InchMaintain optimal engine performance with the 1.25 Inch Oil Filler Cap, engineered for a precise and secure fit in heavy-duty applications. Measuring 1.25 inches in diameter,...
    09-07200003
    SKU:
    09-07200003
    Diameter Options:
    1 1/4 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $20.81
    Qty in Cart: 0
    Price:
    $20.81
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  • Filter for 17800C Robinair Replaces 19776

    Filter for 17800C Robinair Replaces 19776

    AFTERMARKET

    $230.99
    17800C Robinair FilterMaintain peak performance of your refrigeration and HVAC service equipment with the Filter for 17800C Robinair Replaces 19776, designed for superior filtration and reliability...
    09-07120009
    SKU:
    09-07120009
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $230.99
    Qty in Cart: 0
    Price:
    $230.99
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  • 2.25 Inch Oil Filler Cap

    2.25 Inch Oil Filler Cap

    AFTERMARKET

    $48.34
    Oil Filler Cap- 2.25 InchPrevent leaks and contamination with the 2.25 Inch Oil Filler Cap, a durable, high-quality replacement built for heavy-duty trucks. Featuring a 2.25-inch diameter, it ensures...
    09-07200002
    SKU:
    09-07200002
    Product Type:
    Engine Parts
    Diameter Options:
    2 1/4 Inch
    Make:
    Universal Items
    $48.34
    Qty in Cart: 0
    Price:
    $48.34
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  • 1.50 ID X 2.50 OD Inch Tab Lock Washer Replaces 1160673B000

    1.50 ID X 2.50 OD Inch Tab Lock Washer Replaces 1160673B000

    AUTOMANN USA

    $10.40
    Tab Lock Washer For Ridewell SuspensionSecure your components with confidence using the 1.50 ID X 2.50 OD Inch Tab Lock Washer. Designed for heavy-duty applications, its 16 internal teeth prevent...
    09-05250085
    SKU:
    09-05250085
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $10.40
    Qty in Cart: 0
    Price:
    $10.40
    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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