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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.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Brake Shoe Hardware Kit Replaces 52243, E1887AHD. E1887ASHD, E1887HD, E4311EHDB, E4311HD, MBCBK0030, CQ67319, R507002, R507002BK, R507002BULK, 241SS, 24A

    Brake Shoe Hardware Kit Replaces 52243, E1887AHD. E1887ASHD, E1887HD, E4311EHDB, E4311HD, MBCBK0030, CQ67319, R507002, R507002BK, R507002BULK, 241SS, 24A

    AUTOMANN USA

    $15.34
    Brake Shoe Hardware Kit 142.431780, 142.431180Upgrade your brakes with confidence using the Brake Shoe Hardware Kit, a premium replacement for numerous OEM models including 52243, E1887HD, E4311HD,...
    09-05170190
    SKU:
    09-05170190
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $15.34
    Qty in Cart: 0
    Price:
    $15.34
    Subtotal:
  • 1/2 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8593

    1/2 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8593

    AUTOMANN USA

    $14.07
    1/2 X 3/8 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 1/2 Inch Inner Diameter Hose End* 3/8...
    09-05170178
    SKU:
    09-05170178
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $14.07
    Qty in Cart: 0
    Price:
    $14.07
    Subtotal:
  • 15.00 X 4.00 10 Hole Brake Drum Replaces 3667, 3667X, 65542, 65542B

    15.00 X 4.00 10 Hole Brake Drum Replaces 3667, 3667X, 65542, 65542B

    AFTERMARKET

    $489.99
    10 Hole 15.00 X 4.00 Brake Drum* High Quality Brake Drum* Balanced To 20 Inch - Oz* (10) 0.810 Inch Bolt Holes* For Brake SuRFace Diameter 15 Inch X 4 Inch* 8.74 Inch Overall Width* 4.50 Inch Brake...
    09-05170196
    SKU:
    09-05170196
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $489.99
    Qty in Cart: 0
    Price:
    $489.99
    Subtotal:
  • Brake Shoe Hardware Kit 142.422381, 142.431781, 142.431181, 142.467480 For Eaton

    Brake Shoe Hardware Kit 142.422381, 142.431781, 142.431181, 142.467480 For Eaton

    AUTOMANN USA

    $20.94
    Brake Shoe Hardware Kit Replaces E3801, CQ69004, E507003, R507077, 241AFKeep your braking system operating at peak performance with the Brake Shoe Hardware Kit for Eaton, a high-quality kit designed...
    09-05170188
    SKU:
    09-05170188
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $20.94
    Qty in Cart: 0
    Price:
    $20.94
    Subtotal:
  • 16.50 X 5.00 Inch 12K RSD Brake Shoe Kit Replaces 314146, R507094, 818278, E10197, E5479A, R567503, 19-915

    16.50 X 5.00 Inch 12K RSD Brake Shoe Kit Replaces 314146, R507094, 818278, E10197, E5479A, R567503, 19-915

    AFTERMARKET

    $177.99
    16.50 X 5.00 Inch 12K RSD Brake Shoe Kit* High Quality Brake Shoe Box Kit* Eaton ES2 Type* Open Anchor End* Open Roller End* Double Web* 12K Lbs RSD Value* Kit Includes:  - (2) Lined Brake Shoes  -...
    09-05170179
    SKU:
    09-05170179
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $177.99
    Qty in Cart: 0
    Price:
    $177.99
    Subtotal:
  • 3/8 X 1/4 Inch Brass Hose Coupling W/ Spring Replaces E8590

    3/8 X 1/4 Inch Brass Hose Coupling W/ Spring Replaces E8590

    AUTOMANN USA

    $7.37
    3/8 X 1/4 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 3/8 Inch Inner Diameter Hose End* 1/4...
    09-05170174
    SKU:
    09-05170174
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $7.37
    Qty in Cart: 0
    Price:
    $7.37
    Subtotal:
  • 15.00 X 4.00 Inch 20K Brake Shoe Kit Replaces KSF5571308E

    15.00 X 4.00 Inch 20K Brake Shoe Kit Replaces KSF5571308E

    AFTERMARKET

    $105.99
    15.00 X 4.00 Inch 20K Brake Shoe Kit* High Quality Brake Shoe Box Kit* Eaton ES2 Type* Open Anchor End* Open Roller End* Single Web* 20K Lbs Value* Kit Includes:  - (2) Lined Brake Shoes  - (1) 7...
    09-05170187
    SKU:
    09-05170187
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $105.99
    Qty in Cart: 0
    Price:
    $105.99
    Subtotal:
  • 1/2 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8594

    1/2 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8594

    AUTOMANN USA

    $13.67
    1/2 X 1/2 Inch Hose Coupling W/ SpringKeep your air brake system functioning properly with the 1/2 x 1/2 Inch Brass Hose Coupling with Spring. Built to replace E8594, it features a secure 1/2-inch...
    09-05170177
    SKU:
    09-05170177
    Material Options:
    Brass
    Diameter Options:
    1/2 Inch
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $13.67
    Qty in Cart: 0
    Price:
    $13.67
    Subtotal:
  • 3/8 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8591

    3/8 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8591

    AUTOMANN USA

    $8.11
    3/8 X 3/8 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 3/8 Inch Inner Diameter Hose End* 3/8...
    09-05170175
    SKU:
    09-05170175
    Diameter Options:
    3/8 Inch
    Product Type:
    Air, Electrical, & Safety
    Material Options:
    Brass
    Make:
    Universal Items
    $8.11
    Qty in Cart: 0
    Price:
    $8.11
    Subtotal:
  • 3/8 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8592

    3/8 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8592

    AUTOMANN USA

    $8.82
    3/8 X 1/2 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 3/8 Inch Inner Diameter Hose End* 1/2...
    09-05170176
    SKU:
    09-05170176
    Product Type:
    Air, Electrical, & Safety
    Material Options:
    Brass
    Make:
    Universal Items
    $8.82
    Qty in Cart: 0
    Price:
    $8.82
    Subtotal:
  • 15.00 X 4.00 Inch 10 Hole Brake Drum Replaces 10081079, 123421, 3721X, 17QJ4106, 123366, 85123366002, 85123421002, 61527, 61527B

    15.00 X 4.00 Inch 10 Hole Brake Drum Replaces 10081079, 123421, 3721X, 17QJ4106, 123366, 85123366002, 85123421002, 61527, 61527B

    AFTERMARKET

    $303.99
    10 Hole 15.00 X 4.00 Inch Brake Drum* High Quality Brake Drum* Balanced To 20 Inch - Oz* (10) 1 Inch Bolt Holes* For Brake SuRFace Diameter 15 Inch X 4 Inch* 8.78 Inch Overall Width* 4.78 Inch Brake...
    09-05170171
    SKU:
    09-05170171
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $303.99
    Qty in Cart: 0
    Price:
    $303.99
    Subtotal:
  • 16.50 X 7.00 Inch 10 Hole Brake Drum Replaces 12386614, 3122948002, 85122948002, 66865, 66865B

    16.50 X 7.00 Inch 10 Hole Brake Drum Replaces 12386614, 3122948002, 85122948002, 66865, 66865B

    AFTERMARKET

    $500.99
    10 Hole 16.50 X 7.00 Inch Brake Drum* High Quality Brake Drum* Balanced To 20 Inch - Oz* (10) 0.810 Inch Bolt Holes* For Brake SuRFace Diameter 16.5 Inch X 7 Inch* 10.310 Inch Overall Width* 7.50...
    09-05170167
    SKU:
    09-05170167
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $500.99
    Qty in Cart: 0
    Price:
    $500.99
    Subtotal:
  • 16.50 X 6.00 Inch 20K Brake Shoe Kit Replaces 819706, R700025, 314146, R507094, 818278, E10197, E5479A, R567503, 19-915

    16.50 X 6.00 Inch 20K Brake Shoe Kit Replaces 819706, R700025, 314146, R507094, 818278, E10197, E5479A, R567503, 19-915

    AFTERMARKET

    $145.99
    16.50 X 6.00 Inch Eaton ES2 Type 20K Brake Shoe Kit* High Quality Brake Shoe Box Kit* Eaton ES2 Type* Open Anchor End* Open Roller End* Double Web* 20K Lbs Value* Kit Includes:  - (2) Unlined Brake...
    09-05170169
    SKU:
    09-05170169
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $145.99
    Qty in Cart: 0
    Price:
    $145.99
    Subtotal:
  • 1/2 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8599

    1/2 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8599

    AUTOMANN USA

    $17.43
    1/2 X 1/2 Inch Hose Coupling W/ SpringDepend on the 1/2 X 1/2 Inch Brass Hose Coupling with Spring for secure air brake connections, designed to replace E8599. Engineered for air brake hoses, this...
    09-05170161
    SKU:
    09-05170161
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Diameter Options:
    1/2 Inch
    Make:
    Universal Items
    $17.43
    Qty in Cart: 0
    Price:
    $17.43
    Subtotal:
  • 16.50 X 6.00 Inch 23K Brake Shoe Kit Replaces 819706, R700025, 314146, R507094, 818278, E10197, E5479A, R567503, 19-915

    16.50 X 6.00 Inch 23K Brake Shoe Kit Replaces 819706, R700025, 314146, R507094, 818278, E10197, E5479A, R567503, 19-915

    AFTERMARKET

    $148.99
    16.50 X 6.00 Inch Eaton ES2 Type 23K Brake Shoe Kit* High Quality Brake Shoe Box Kit* Eaton ES2 Type* Open Anchor End* Open Roller End* Double Web* 23K Lbs Value* Kit Includes:  - (2) Unlined Brake...
    09-05170170
    SKU:
    09-05170170
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $148.99
    Qty in Cart: 0
    Price:
    $148.99
    Subtotal:
  • 3/8 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8596

    3/8 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8596

    AUTOMANN USA

    $9.13
    3/8 X 3/8 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Spring Attached To Male Connector End* Made Of Brass*...
    09-05170158
    SKU:
    09-05170158
    Diameter Options:
    3/8 Inch
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $9.13
    Qty in Cart: 0
    Price:
    $9.13
    Subtotal:
  • 3/8 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8597

    3/8 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8597

    AUTOMANN USA

    $9.45
    3/8 X 1/2 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Spring Attached To Male Connector End* Made Of Brass*...
    09-05170159
    SKU:
    09-05170159
    Product Type:
    Air, Electrical, & Safety
    Material Options:
    Brass
    Make:
    Universal Items
    $9.45
    Qty in Cart: 0
    Price:
    $9.45
    Subtotal:
  • 3/8 X 1/4 Inch Brass Hose Coupling W/ Spring Replaces E8595

    3/8 X 1/4 Inch Brass Hose Coupling W/ Spring Replaces E8595

    AUTOMANN USA

    $8.27
    3/8 X 1/4 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Spring Attached To Male Connector End* Made Of Brass*...
    09-05170157
    SKU:
    09-05170157
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $8.27
    Qty in Cart: 0
    Price:
    $8.27
    Subtotal:
  • 1/2 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8598

    1/2 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8598

    AUTOMANN USA

    $11.93
    1/2 X 3/8 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Spring Attached To Male Connector End* Made Of Brass*...
    09-05170160
    SKU:
    09-05170160
    Product Type:
    Air, Electrical, & Safety
    Material Options:
    Brass
    Make:
    Universal Items
    $11.93
    Qty in Cart: 0
    Price:
    $11.93
    Subtotal:
  • 3/8 X 3/8 Inch Brass Coupling Body Replaces E8586

    3/8 X 3/8 Inch Brass Coupling Body Replaces E8586

    AUTOMANN USA

    $4.48
    3/8 X 3/8 Inch Coupling Body* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 3/8 Inch Inner Diameter Hose End* 3/8 Inch Outer...
    09-05170136
    SKU:
    09-05170136
    Product Type:
    Air, Electrical, & Safety
    Diameter Options:
    3/8 Inch
    Material Options:
    Brass
    Make:
    Universal Items
    $4.48
    Qty in Cart: 0
    Price:
    $4.48
    Subtotal:
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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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