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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
  • 8.5 Inch Round Convex Offset Mount Mirror W/ 5/16 Inch Plastic Ball Stud

    8.5 Inch Round Convex Offset Mount Mirror W/ 5/16 Inch Plastic Ball Stud

    LUVERNE

    $24.36 - $61.99
    Improve your visibility and reduce blind spots with these 8.5-inch round convex mirrors, designed to give you a wide-angle view in all driving conditions. The curved lens offers a broader field of...
    PPR_299647
    SKU:
    PPR_299647
    Color:
    Black
    Material Options:
    Steel
    Diameter Options:
    8 1/2 Inch
    Shape Options:
    Round
    Location:
    Made In USA
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Style Options:
    Heated
    Make:
    Universal Items
    Style Options:
    Convex
    Ready To Ship:
    Yes
    $24.36 - $61.99
    Qty in Cart: 0
    Price:
    $24.36 - $61.99
    Subtotal:
  • 7 Inch x 16 Inch West Coast Stainless OEM Style Mirror Head

    7 Inch x 16 Inch West Coast Stainless OEM Style Mirror Head

    LUVERNE

    $72.99 - $110.99
    With this 7-inch by 16-inch OEM-style west coast mirror head, built from polished stainless steel, it offers a sleek, mirror-like finish that resists rust, corrosion, and daily wear used on most...
    PPR_299652
    SKU:
    PPR_299652
    Product Type:
    Exterior
    Location:
    Made In USA
    Height Options:
    16 Inch
    Style Options:
    Heated
    Width Options:
    7 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Shape Options:
    Rectangular
    $72.99 - $110.99
    Qty in Cart: 0
    Price:
    $72.99 - $110.99
    Subtotal:
  • Steel Auxiliary Mirror Mounting Bracket Kits

    Steel Auxiliary Mirror Mounting Bracket Kits

    LUVERNE

    $16.03 - $17.51
    Mounting your auxiliary mirror is quick and secure with this heavy-duty bracket kit. This bracket kit is available in both 6-inch and 4-inch by 3/4-inch legs, giving you flexibility to match your...
    PPR_299645
    SKU:
    PPR_299645
    Width Options:
    3/4 Inch
    Length Options:
    6 Inch
    Color:
    Gray
    Material Options:
    Steel
    Location:
    Made In USA
    Length Options:
    4 Inch
    Product Type:
    Exterior
    Make:
    Universal Items
    $16.03 - $17.51
    Qty in Cart: 0
    Price:
    $16.03 - $17.51
    Subtotal:
  • 6 Inch Round Convex Bright Anodized Aluminum Center Mount Mirror

    6 Inch Round Convex Bright Anodized Aluminum Center Mount Mirror

    LUVERNE

    $31.01 - $35.48
    Add safety and visibility to your heavy or light duty truck with this 6-inch round convex mirror. The curved 6-inch glass provides enhanced peripheral vision, helping you stay aware of your...
    PPR_299650
    SKU:
    PPR_299650
    Location:
    Made In USA
    Product Type:
    Exterior
    Material Options:
    Aluminum
    Diameter Options:
    6 Inch
    Shape Options:
    Round
    Make:
    Universal Items
    Style Options:
    Convex
    $31.01 - $35.48
    Qty in Cart: 0
    Price:
    $31.01 - $35.48
    Subtotal:
  • 8 Inch Semi-Bubble Convex Center Mount Mirror 5/16 Inch Ball Stud

    8 Inch Semi-Bubble Convex Center Mount Mirror 5/16 Inch Ball Stud

    LUVERNE

    $31.51 - $45.07
    Stay aware of your surroundings and reduce blind spots with this 8-inch semi-bubble convex mirror, designed for center-mount applications with a 5/16-inch ball stud. The semi-bubble design gives you...
    PPR_299648
    SKU:
    PPR_299648
    Color:
    Black
    Product Type:
    Exterior
    Location:
    Made In USA
    Diameter Options:
    8 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Style Options:
    Convex
    $31.51 - $45.07
    Qty in Cart: 0
    Price:
    $31.51 - $45.07
    Subtotal:
  • 35-1/8 X 8.81 Inch Heavy Duty Truck Mirror Loop

    35-1/8 X 8.81 Inch Heavy Duty Truck Mirror Loop

    LUVERNE

    $29.41
    Mounting a west coast or convex mirror is quick and easy with this heavy-duty mirror loop. Designed in a plain-style configuration, it accepts clamp-mounted or stud-mounted mirror heads, making it a...
    PPR_299643
    SKU:
    PPR_299643
    Length Options:
    35 Inch
    Width Options:
    9 Inch
    Product Type:
    Exterior
    Location:
    Made In USA
    Finish Options:
    Black Powder Coat
    Width Options:
    8 Inch
    Make:
    Universal Items
    $29.41
    Qty in Cart: 0
    Price:
    $29.41
    Subtotal:
  • Steel Safety Cross View Bracket Mirror Assembly Rear Mount

    Steel Safety Cross View Bracket Mirror Assembly Rear Mount

    LUVERNE

    $28.36 - $57.99
    Cross view mirror brackets provide a solid mounting solution for cross view mirrors on commercial trucks and school buses. Designed for durability and ease of use, these brackets offer a stable,...
    PPR_299641
    SKU:
    PPR_299641
    Material Options:
    Stainless Steel
    Color:
    Black
    Product Type:
    Exterior
    Material Options:
    Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $28.36 - $57.99
    Qty in Cart: 0
    Price:
    $28.36 - $57.99
    Subtotal:
  • 7.5 Inch Round Convex Mirror 5/16 Inch Plastic Ball Stud

    7.5 Inch Round Convex Mirror 5/16 Inch Plastic Ball Stud

    LUVERNE

    $12.46 - $37.07
    These 7.5 inch round high-quality convex mirrors, built for clear, wide-angle visibility in all driving conditions are available in a variety of sizes and finishes. Each mirror features a curved lens...
    PPR_299646
    SKU:
    PPR_299646
    Material Options:
    Stainless Steel
    Diameter Options:
    7 1/2 Inch
    Product Type:
    Exterior
    Color:
    Black
    Location:
    Made In USA
    Material Options:
    Steel
    Shape Options:
    Round
    Make:
    Universal Items
    Style Options:
    Convex
    $12.46 - $37.07
    Qty in Cart: 0
    Price:
    $12.46 - $37.07
    Subtotal:
  • 34.105 X 7-1/4 Inch Heavy Duty Truck Mirror Loop

    34.105 X 7-1/4 Inch Heavy Duty Truck Mirror Loop

    LUVERNE

    $25.20 - $26.04
    Upgrade your rig's visibility with this 34.105-inch by 7 1/4-inch heavy-duty mirror loop, designed to make mounting a west coast or convex mirror fast and easy. Built from polished stainless steel or...
    PPR_299644
    SKU:
    PPR_299644
    Product Type:
    Exterior
    Length Options:
    34 Inch
    Finish Options:
    Black Powder Coat
    Width Options:
    7 Inch
    Location:
    Made In USA
    Make:
    Universal Items
    Length Options:
    35 Inch
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    $25.20 - $26.04
    Qty in Cart: 0
    Price:
    $25.20 - $26.04
    Subtotal:
  • Mirror Clamps 2 Piece Dovetail Clamp

    Mirror Clamps 2 Piece Dovetail Clamp

    LUVERNE

    $4.76 - $9.32
    These two-piece dovetail-style mirror clamps are built to provide a strong, secure hold for west coast-style mirror assemblies and spot mirrors on heavy and light duty trucks. The two-piece design...
    PPR_299639
    SKU:
    PPR_299639
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Product Type:
    Exterior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $4.76 - $9.32
    Qty in Cart: 0
    Price:
    $4.76 - $9.32
    Subtotal:
  • 6 Inch x 16 Inch West Coast Stainless Style Mirror Head

    6 Inch x 16 Inch West Coast Stainless Style Mirror Head

    LUVERNE

    $43.23 - $65.99
    These angled-back 6 x 16 inch west coast mirror heads are designed to deliver a clear, extended rear view for heavy and light duty trucks. Built with a durable stainless steel, this mirror head holds...
    PPR_299642
    SKU:
    PPR_299642
    Location:
    Made In USA
    Product Type:
    Exterior
    Style Options:
    Angled
    Width Options:
    6 Inch
    Material Options:
    Stainless Steel
    Style Options:
    Heated
    Height Options:
    16 Inch
    Shape Options:
    Rectangular
    Make:
    Universal Items
    $43.23 - $65.99
    Qty in Cart: 0
    Price:
    $43.23 - $65.99
    Subtotal:
  • Mirror J Brackets Zinc Plated

    Mirror J Brackets Zinc Plated

    LUVERNE

    $4.44 - $4.90
    J bracket mirror clamps are designed to provide strong, stable support for west coast-style mirror assemblies on heavy and light duty trucks. With their curved shape and durable construction, these...
    PPR_299640
    SKU:
    PPR_299640
    Location:
    Made In USA
    Product Type:
    Exterior
    Make:
    Universal Items
    $4.44 - $4.90
    Qty in Cart: 0
    Price:
    $4.44 - $4.90
    Subtotal:
  • Truck Mirror Loop Heavy Duty With 3/4 Inch Tube

    Truck Mirror Loop Heavy Duty With 3/4 Inch Tube

    LUVERNE

    $21.41 - $38.86
    Stainless steel and powder coated carbon steel mirror loops are built to offer strong, reliable support for west coast-style mirrors on heavy and light duty trucks. Designed for durability and a...
    PPR_299637
    SKU:
    PPR_299637
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Finish Options:
    Polished
    Finish Options:
    Black Powder Coat
    Product Type:
    Exterior
    Make:
    Universal Items
    $21.41 - $38.86
    Qty in Cart: 0
    Price:
    $21.41 - $38.86
    Subtotal:
  • Stainless Steel Adjustable Mirror Brace in 4 Length Sizes

    Stainless Steel Adjustable Mirror Brace in 4 Length Sizes

    LUVERNE

    $25.63 - $31.67
    Adjustable mirror braces are built to provide secure, customizable support for west coast style or convex mirror setups on heavy duty and light duty trucks. Designed for strength and stability, these...
    PPR_299636
    SKU:
    PPR_299636
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $25.63 - $31.67
    Qty in Cart: 0
    Price:
    $25.63 - $31.67
    Subtotal:
  • Convex Round Mirror Plastic Ball Stud

    Convex Round Mirror Plastic Ball Stud

    LUVERNE

    $21.32 - $80.99
    Round convex mirrors are built to enhance rear and side visibility for heavy-duty trucks. These mirrors feature a curved design that expands your field of view, helping to reduce blind spots and...
    PPR_299635
    SKU:
    PPR_299635
    Diameter Options:
    12 Inch
    Material Options:
    Plastic/Poly
    Diameter Options:
    10 Inch
    Color:
    White
    Shape Options:
    Round
    Location:
    Made In USA
    Diameter Options:
    8 Inch
    Product Type:
    Exterior
    Material Options:
    Steel
    Color:
    Black
    Diameter Options:
    7 1/2 Inch
    Material Options:
    Stainless Steel
    Style Options:
    Heated
    Make:
    Universal Items
    Style Options:
    Convex
    Ready To Ship:
    Yes
    $21.32 - $80.99
    Qty in Cart: 0
    Price:
    $21.32 - $80.99
    Subtotal:
  • Convex Stick-On Spot Mirrors

    Convex Stick-On Spot Mirrors

    LUVERNE

    $3.62 - $7.14
    Convex mirrors are designed to improve visibility and reduce blind spots on heavy and light duty trucks. These wide-angle mirrors offer a broader field of view, making it easier to monitor...
    PPR_299634
    SKU:
    PPR_299634
    Height Options:
    4 Inch
    Width Options:
    5 1/2 Inch
    Diameter Options:
    3 Inch
    Diameter Options:
    3 1/2 Inch
    Shape Options:
    Round
    Product Type:
    Exterior
    Diameter Options:
    2 Inch
    Location:
    Made In USA
    Make:
    Universal Items
    Style Options:
    Convex
    $3.62 - $7.14
    Qty in Cart: 0
    Price:
    $3.62 - $7.14
    Subtotal:
  • Polished Stainless Steel Replacement Grab Handle, 5/8 Inch Diameter

    Polished Stainless Steel Replacement Grab Handle, 5/8 Inch Diameter

    LUVERNE

    $9.12 - $25.49
    Grab handles offer a strong, secure grip for easier entry and exit from your truck cab. Built from polished stainless steel, these handles not only add durability but also bring a clean, finished...
    PPR_299632
    SKU:
    PPR_299632
    Length Options:
    12 Inch
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Length Options:
    27 1/2 Inch
    Length Options:
    14 Inch
    Product Type:
    Exterior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $9.12 - $25.49
    Qty in Cart: 0
    Price:
    $9.12 - $25.49
    Subtotal:
  • Safety Mirror Mounting Assembly Stainless Steel Arm

    Safety Mirror Mounting Assembly Stainless Steel Arm

    LUVERNE

    $60.99 - $63.99
    Safety mirror mount assemblies are built specifically for hood-mounted mirrors on heavy and light duty trucks. Designed to deliver a stable, secure fit, these mounts reduce mirror vibration and help...
    PPR_299633
    SKU:
    PPR_299633
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $60.99 - $63.99
    Qty in Cart: 0
    Price:
    $60.99 - $63.99
    Subtotal:
  • Heavy-Duty Truck Mirror Loop With 3/4 Inch Tube

    Heavy-Duty Truck Mirror Loop With 3/4 Inch Tube

    LUVERNE

    $28.91 - $47.77
    Mirror loops deliver strong, stable support for your west coast-style mirror setup. Built from high-quality stainless steel and carbon steel, these brackets are engineered to hold mirror arms firmly...
    PPR_299631
    SKU:
    PPR_299631
    Color:
    Silver
    Height Options:
    36 Inch
    Color:
    Gray
    Product Type:
    Exterior
    Height Options:
    29 Inch
    Height Options:
    18 Inch
    Material Options:
    Steel
    Material Options:
    Stainless Steel
    Width Options:
    15 1/2 Inch
    Finish Options:
    Polished
    Width Options:
    14 Inch
    Location:
    Made In USA
    Width Options:
    12 Inch
    Make:
    Universal Items
    $28.91 - $47.77
    Qty in Cart: 0
    Price:
    $28.91 - $47.77
    Subtotal:
  • West Coast Anondized Aluminum Mirror Heads With Chevrons Mirror

    West Coast Anondized Aluminum Mirror Heads With Chevrons Mirror

    LUVERNE

    $52.99 - $153.99
    Built for reliability and a clear rear view, these high-quality 6 x 16 inch mirrors are engineered to offer strong, stable construction with smooth adjustability to help eliminate blind spots. Each...
    PPR_299628
    SKU:
    PPR_299628
    Material Options:
    Aluminum
    Width Options:
    6 Inch
    Location:
    Made In USA
    Style Options:
    Heated
    Height Options:
    16 Inch
    Shape Options:
    Rectangular
    Color:
    Yellow
    Product Type:
    Exterior
    Make:
    Universal Items
    $52.99 - $153.99
    Qty in Cart: 0
    Price:
    $52.99 - $153.99
    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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