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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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  • FASS Drop- In Series Fuel System Filter Pack W/ 2 Coalescing Water Separator Filters & 2 Extended Length Particulate Filters

    FASS Drop- In Series Fuel System Filter Pack W/ 2 Coalescing Water Separator Filters & 2 Extended Length Particulate Filters

    FASS

    $120.99
    Drop- In Series Fuel System Filter Pack W/ 2 Coalescing Water Separator Filters & 2 Extended Length Particulate FiltersEnhance fuel system reliability with this FASS Drop-In Series Filter Pack for...
    09-07030014
    SKU:
    09-07030014
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $120.99
    Qty in Cart: 0
    Price:
    $120.99
    Subtotal:
  • 16.5 X 7 Inch Brake Drum W/ 10 Holes & 9 Inch Hub

    16.5 X 7 Inch Brake Drum W/ 10 Holes & 9 Inch Hub

    DAYTON / DORMAN

    $257.99
    16.5 X 7 Inch 10 Hole Brake Drum Replaces 0302944, 3219V3714, 3946061Improve stopping power and reliability with this high-quality iron brake drum designed for air brake systems in heavy-duty...
    09-051700050
    SKU:
    09-051700050
    Material Options:
    Steel
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $257.99
    Qty in Cart: 0
    Price:
    $257.99
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  • Disc Brake Rotor Replaces 6402229292, 76901, AMR2242N For Hendrickson MAXX22T

    Disc Brake Rotor Replaces 6402229292, 76901, AMR2242N For Hendrickson MAXX22T

    DAYTON / DORMAN

    $383.99
    415MM Disc Brake Rotor Fits Hendrickson MAXX22TEnhance air disc brake performance with this premium disc brake rotor, engineered as a replacement for part numbers 6402229292, 76901, and AMR2242N on...
    09-051700047
    SKU:
    09-051700047
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $383.99
    Qty in Cart: 0
    Price:
    $383.99
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  • 5.5 Inch Automatic Slack Adjuster W/ 1.5 Inch-28 Spline

    5.5 Inch Automatic Slack Adjuster W/ 1.5 Inch-28 Spline

    DAYTON / DORMAN

    $84.99
    Automatic Slack Adjuster Replaces R803108, R802447, R802446Maintain optimal braking efficiency with this durable 5.5-inch automatic slack adjuster designed for air brake systems requiring a 1...
    09-051700048
    SKU:
    09-051700048
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $84.99
    Qty in Cart: 0
    Price:
    $84.99
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  • Air Brake Caliper- Passenger Side Replaces 802984, K113887X, K149714

    Air Brake Caliper- Passenger Side Replaces 802984, K113887X, K149714

    DAYTON / DORMAN

    $1,096.99
    Passenger Side Air Brake Caliper Replaces 802984, K113887X, K149714Ensure dependable stopping power with this high-quality air brake caliper designed for passenger-side applications and built as a...
    09-051700049
    SKU:
    09-051700049
    Product Type:
    Frame & Chassis
    Position:
    Passenger Side
    Make:
    Universal Items
    $1,096.99
    Qty in Cart: 0
    Price:
    $1,096.99
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  • 15 X 4 Inch Brake Drum W/ 10 Holes & 8.78 Inch Hub

    15 X 4 Inch Brake Drum W/ 10 Holes & 8.78 Inch Hub

    DAYTON / DORMAN

    $228.99
    15 X 4 Inch 10 Hole Brake Drum Replaces 65548B, 3800XImprove stopping power and reliability with this high-quality iron brake drum designed for air brake systems in heavy-duty applications. Built for...
    09-051700046
    SKU:
    09-051700046
    Product Type:
    Trailer
    Material Options:
    Steel
    Make:
    Universal Items
    $228.99
    Qty in Cart: 0
    Price:
    $228.99
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  • 16.5 X 8.62 Inch Brake Drum W/ 10 Holes & 8.78 Inch Hub

    16.5 X 8.62 Inch Brake Drum W/ 10 Holes & 8.78 Inch Hub

    DAYTON / DORMAN

    $270.99
    16.5 X 8.62 Inch 10 Hole Brake Drum Replaces 972312, WWD66854B, 10012097Improve stopping power and reliability with this high-quality iron brake drum designed for air brake systems in heavy-duty...
    09-051700043
    SKU:
    09-051700043
    Material Options:
    Steel
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $270.99
    Qty in Cart: 0
    Price:
    $270.99
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  • 16.5 X 7 Inch Brake Drum W/ 10 Holes & 8.78 Inch Hub

    16.5 X 7 Inch Brake Drum W/ 10 Holes & 8.78 Inch Hub

    DAYTON / DORMAN

    $269.99
    16.5 X 7 Inch 10 Hole Brake Drum Replaces 1670176C1, 66800B, APL-102317Improve stopping power and reliability with this high-quality iron brake drum designed for air brake systems in heavy-duty...
    09-051700044
    SKU:
    09-051700044
    Product Type:
    Frame & Chassis
    Material Options:
    Steel
    Make:
    Universal Items
    $269.99
    Qty in Cart: 0
    Price:
    $269.99
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  • 16.5 X 7 Inch Brake Drum W/ 10 Holes & 8.53 Inch Hub

    16.5 X 7 Inch Brake Drum W/ 10 Holes & 8.53 Inch Hub

    DAYTON / DORMAN

    $253.99
    16.5 X 7 Inch 10 Hole Brake Drum Replaces 3946075Improve stopping power and reliability with this high-quality iron brake drum designed for air brake systems in heavy-duty applications. Built for...
    09-051700045
    SKU:
    09-051700045
    Material Options:
    Steel
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $253.99
    Qty in Cart: 0
    Price:
    $253.99
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  • 1.75 X 3.98 Inch Multi- Purpose Leaf Spring Bushings Replaces 052700000, 52700, B131000

    1.75 X 3.98 Inch Multi- Purpose Leaf Spring Bushings Replaces 052700000, 52700, B131000

    DAYTON / DORMAN

    $28.05
    Multi- Purpose Leaf Spring Bushings- 1.75 X 3.98 InchImprove suspension performance with these heavy-duty multi-purpose leaf spring bushings, engineered to replace part numbers 052700000, 52700, and...
    09-051000014
    SKU:
    09-051000014
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $28.05
    Qty in Cart: 0
    Price:
    $28.05
    Subtotal:
  • Suspension Height Control Valve Replaces 060826000, 60826, 60826000

    Suspension Height Control Valve Replaces 060826000, 60826, 60826000

    DAYTON / DORMAN

    $84.99
    Suspension Height Control Valve W/ 1/4 Inch NPT Inlet/ OutletOptimize your air suspension system with this high-quality ride height control valve, a direct replacement for part numbers 060826000,...
    09-051000015
    SKU:
    09-051000015
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $84.99
    Qty in Cart: 0
    Price:
    $84.99
    Subtotal:
  • Steel Round Leaf Spring U- Bolt Kit

    Steel Round Leaf Spring U- Bolt Kit

    DAYTON / DORMAN

    $25.49
    3-1/16 X 14-1/2 Inch Round Leaf Spring U- Bolt KitSecure your suspension system with this high-quality steel round leaf spring U-bolt kit, designed for strength, durability, and reliable performance...
    09-051000017
    SKU:
    09-051000017
    Material Options:
    Steel
    Product Type:
    Frame & Chassis
    Shape Options:
    Round
    Make:
    Universal Items
    $25.49
    Qty in Cart: 0
    Price:
    $25.49
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  • Stainless Steel Mud Flap Top Trims W/ Mounting Hardware 2 X 24 Inch

    Stainless Steel Mud Flap Top Trims W/ Mounting Hardware 2 X 24 Inch

    TURNPIKE TRUCK TRIM

    $61.99
    2 X 24 Inch Stainless Steel Universal Top Mud Flap Accent TrimThese stainless steel universal top Mud Flap accent trims securely mount the mud flap to the hangers with include hardware for easy...
    09-0507055
    SKU:
    09-0507055
    Height Options:
    2 Inch
    Material Options:
    Stainless Steel
    Width Options:
    24 Inch
    Product Type:
    Mud Flaps
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $61.99
    Qty in Cart: 0
    Price:
    $61.99
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  • Self Adjusting 82 dB to 102 dB Back Up Alarm

    Self Adjusting 82 dB to 102 dB Back Up Alarm

    MAXXIMA

    $34.75
    Back Up Alarm- Self Adjusting 82 dB to 102 dBEnhance safety and compliance with this Self Adjusting 82 dB to 102 dB Back Up Alarm. This high-quality backup alarm automatically adjusts its sound...
    09-0205005
    SKU:
    09-0205005
    Length Options:
    1 5/8 Inch
    Height Options:
    2 3/4 Inch
    Width Options:
    4 Inch
    Product Type:
    Air, Electrical, & Safety
    Type Options:
    Surface Mount
    Make:
    Universal Items
    $34.75
    Qty in Cart: 0
    Price:
    $34.75
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  • 3/4 Inch X 1 3/8 Inch Chrome Bullet Nut Cover

    3/4 Inch X 1 3/8 Inch Chrome Bullet Nut Cover

    UNITED PACIFIC

    $0.91
    Bullet Nut Cover- 3/4 Inch X 1 3/8 InchUpgrade your wheel appearance with this Chrome Bullet Nut Cover measuring 3/4 Inch x 1-3/8 Inch, built for a sleek and customized finish. Made from high-quality...
    09-0506055
    SKU:
    09-0506055
    Finish Options:
    Chrome-Plated
    Style Options:
    Push On
    Diameter Options:
    3/4 Inch
    Product Type:
    Wheels
    Height Options:
    1 1/4 Inch
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    $0.91
    Qty in Cart: 0
    Price:
    $0.91
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Chrome Stainless Steel Upper Exhaust Clamp Bracket W/ 4 Holes For Kenworth Non AeroCab

    BESTfit Chrome Stainless Steel Upper Exhaust Clamp Bracket W/ 4 Holes For Kenworth Non AeroCab

    BESTFIT TRUCK PARTS

    $133.99 - $162.99
    Choose Option(s) to see description.Fitment* Fits Kenworth Cabover 1961 thru 2002* Fits Kenworth K100 Cabover 1961 thru 1967* Fits Kenworth T2000 1996 thru 2010* Fits Kenworth T300 1995 thru 2007*...
    PPR_300762
    SKU:
    PPR_300762
    Finish Options:
    Chrome-Plated
    Diameter Options:
    8 Inch
    Diameter Options:
    6 Inch
    Diameter Options:
    7 Inch
    Material Options:
    Stainless Steel
    Product Type:
    Exhaust
    Make:
    Kenworth
    Ready To Ship:
    Yes
    $133.99 - $162.99
    Qty in Cart: 0
    Price:
    $133.99 - $162.99
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  • FREE SHIPPING OVER $249
    2 Inch 7 Diode Round Marker Light W/ Clear Lens- Color Options

    2 Inch 7 Diode Round Marker Light W/ Clear Lens- Color Options

    TRUX ACCESSORIES

    $8.89
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks2 Inch 7 Diode Round Marker Light Amber LED / Clear LensLED Clear/Amber Marker Light 2 Inch Round W/ 7...
    PPR_300741
    SKU:
    PPR_300741
    Product Type:
    Lighting
    Color:
    Amber
    Color:
    Red/Clear
    Material Options:
    Plastic/Poly
    Height Options:
    1 Inch
    Width Options:
    1 Inch
    Truck Class:
    Universal
    Diameter Options:
    2 Inch
    Shape Options:
    Round
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $8.89
    Qty in Cart: 0
    Price:
    $8.89
    Subtotal:
  • Pearl Blue Engraved Flat Top Brake Knob For Threaded Dash Air Brake Valve

    Pearl Blue Engraved Flat Top Brake Knob For Threaded Dash Air Brake Valve

    TWISTED SHIFTERZ

    $85.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksPearl Blue Engraved Tractor Flat Top Brake Knob For Threaded Dash Air Brake ValvePearl Blue Flat Top...
    PPR_300699
    SKU:
    PPR_300699
    Product Type:
    Interior
    Material Options:
    Aluminum
    Location:
    Made In USA
    Color:
    Blue
    Style Options:
    Thread On
    Make:
    Universal Items
    $85.99
    Qty in Cart: 0
    Price:
    $85.99
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  • 2.125 Inch Gray Engraved Brake Knob For Threaded Dash Air Brake Valve For Threaded Dash Air Brake Valve

    2.125 Inch Gray Engraved Brake Knob For Threaded Dash Air Brake Valve For Threaded Dash Air Brake Valve

    TWISTED SHIFTERZ

    $59.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks2.125 Inch Gray Engraved Tractor Brake Knob For Threaded Dash Air Brake Valve2.125 Inch Gray Brake Knob...
    PPR_300700
    SKU:
    PPR_300700
    Diameter Options:
    2 1/8 Inch
    Location:
    Made In USA
    Shape Options:
    Round
    Style Options:
    Thread On
    Material Options:
    Aluminum
    Color:
    Gray
    Product Type:
    Interior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • Purple Super Kit W/ Adapter For 13-18 Speed Shifters

    Purple Super Kit W/ Adapter For 13-18 Speed Shifters

    TWISTED SHIFTERZ

    $402.99
    Purple Semi Truck Air Shifter Threaded Adapter Kit Fits 13-18 Speed ShiftersUpgrade your truck's shifter assembly with the Purple Super Kit for 13-18 Speed Shifters. Crafted from high-quality CNC...
    09-151300168
    SKU:
    09-151300168
    Product Type:
    Interior
    Material Options:
    Aluminum
    Color:
    Purple
    Location:
    Made In USA
    Make:
    Universal Items
    $402.99
    Qty in Cart: 0
    Price:
    $402.99
    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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