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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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  • BESTfit Aluminum Upright Rectangular Hydraulic Tank 50 Gallon W/ 2 Inch In-Frame Port On Bottom

    BESTfit Aluminum Upright Rectangular Hydraulic Tank 50 Gallon W/ 2 Inch In-Frame Port On Bottom

    BESTFIT TRUCK PARTS

    $684.99
    50 Gallon Aluminum Upright Rectangular Hydraulic Tank W/ 2 Inch In-Frame Port On Bottom By BESTfitMaintain consistent hydraulic operation with the BESTfit 50-Gallon Aluminum Upright Rectangular...
    09-06007508
    SKU:
    09-06007508
    Capacity:
    50 Gallons
    Material Options:
    Aluminum
    Shape Options:
    Rectangular
    Make:
    Universal Items
    Product Type:
    Cargo Control
    $684.99
    Qty in Cart: 0
    Price:
    $684.99
    Subtotal:
  • 10 Inch Surface Prep Disc Polishing Wheel

    10 Inch Surface Prep Disc Polishing Wheel

    ZEPHYR

    $48.19
    Polishing Wheel 10 Inch Surface Buff & Blend Prep DiscBlend, buff, and prep surfaces like a professional with the 10 Inch Surface Prep Disc. Designed for heavy-duty use, this 2-ply disc works without...
    09-17000046
    SKU:
    09-17000046
    Product Type:
    Polishing
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $48.19
    Qty in Cart: 0
    Price:
    $48.19
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  • On Sale
    Limited Quantity Available
    Stainless Steel Half Fender Mount Kit

    Stainless Steel Half Fender Mount Kit

    TRUX ACCESSORIES

    Now: $291.27
    Was: $330.99
    Half Fender Mount Kit W/ Smooth Post MountSecure your truck's fenders with confidence using the Stainless Steel Half Fender Mount Kit, engineered for heavy-duty performance and long-lasting...
    09-111000058
    SKU:
    09-111000058
    Product Type:
    Rear Fenders
    Size Options:
    14 Gauge
    Position:
    Kit Full
    Material Options:
    Stainless Steel
    Style Options:
    Half Fender
    Make:
    Universal Items
    Now: $291.27
    Was: $330.99
    Qty in Cart: 0
    Price:
    Now: $291.27
    Was: $330.99
    Subtotal:
  • 24 X 24 Inch Yellow Caution Wide Turns Poly Mud Flap

    24 X 24 Inch Yellow Caution Wide Turns Poly Mud Flap

    AFTERMARKET

    $17.15
    24 X 24 Inch Yellow Mud Flap W/ Caution Wide Turns PrintBoost safety and visibility on the road with this 24 x 24 Inch Yellow Caution Wide Turns Poly Mud Flap. Crafted from durable polycarbonate,...
    09-050700276
    SKU:
    09-050700276
    Material Options:
    Plastic/Poly
    Color:
    Yellow
    Product Type:
    Mud Flaps
    Length Options:
    1/8 Inch
    Height Options:
    24 Inch
    Width Options:
    24 Inch
    Make:
    Universal Items
    $17.15
    Qty in Cart: 0
    Price:
    $17.15
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  • BESTfit Aluminum Hydraulic Tank 75 Gallon- 24 X 39 Inch W/ 2 Inch In-Frame Port On Bottom

    BESTfit Aluminum Hydraulic Tank 75 Gallon- 24 X 39 Inch W/ 2 Inch In-Frame Port On Bottom

    BESTFIT TRUCK PARTS

    $626.99
    75 Gallon 24 X 39 Inch Aluminum Hydraulic Tank W/ 2 Inch In-Frame Port On Bottom By BESTfitKeep your hydraulic system running efficiently with the BESTfit 75-Gallon Aluminum Hydraulic Tank,...
    09-06007507
    SKU:
    09-06007507
    Length Options:
    39 Inch
    Material Options:
    Aluminum
    Diameter Options:
    24 Inch
    Capacity:
    75 Gallons
    Shape Options:
    Round
    Make:
    Universal Items
    Product Type:
    Cargo Control
    $626.99
    Qty in Cart: 0
    Price:
    $626.99
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  • WTI 105.5 Inch Gray Fiberglass Full Fender W/ Enclosed Lower Light Panel- Driver Side

    WTI 105.5 Inch Gray Fiberglass Full Fender W/ Enclosed Lower Light Panel- Driver Side

    WTI FENDERS

    $1,075.99
    Driver Side 105.5 Inch Full Fender W/ Enclosed Lower Light Panel By WTIDeliver superior protection and a polished look with the WTI 105.5 Inch Gray Fiberglass Full Fender - Driver Side. Featuring a...
    09-110408212
    SKU:
    09-110408212
    Product Type:
    Rear Fenders
    Height Options:
    30 Inch
    Length Options:
    105 Inch
    Width Options:
    26 Inch
    Finish Options:
    Paintable
    Color:
    Gray
    Position:
    Driver Side
    Material Options:
    Fiberglass
    Make:
    Universal Items
    $1,075.99
    Qty in Cart: 0
    Price:
    $1,075.99
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  • FREE SHIPPING
    Rebuild Kit W/ Driver Side Release Replaces E2504, RK63501, 63501L

    Rebuild Kit W/ Driver Side Release Replaces E2504, RK63501, 63501L

    AUTOMANN USA

    $480.99
    Rebuild Kit For Holland XA-3501-A Top PlateRestore optimal performance to your top plate with this Rebuild Kit for Holland XA-3501-A, replacing OEM numbers E2504, RK63501, and 63501L. Complete with a...
    09-05110524
    SKU:
    09-05110524
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $480.99
    Qty in Cart: 0
    Price:
    $480.99
    Subtotal:
  • BESTfit Aluminum Round Hydraulic Tank 50 Gallon- 24 X 27 Inch W/ 2 Inch In-Frame Port On Bottom

    BESTfit Aluminum Round Hydraulic Tank 50 Gallon- 24 X 27 Inch W/ 2 Inch In-Frame Port On Bottom

    BESTFIT TRUCK PARTS

    $548.99
    50 Gallon 24 X 27 Inch Aluminum Round Hydraulic Tank W/ 2 Inch In-Frame Port On Bottom By BESTfitMaintain consistent hydraulic performance with the BESTfit 50-Gallon Aluminum Round Hydraulic Tank,...
    09-06007506
    SKU:
    09-06007506
    Capacity:
    50 Gallons
    Diameter Options:
    24 Inch
    Shape Options:
    Round
    Material Options:
    Aluminum
    Length Options:
    27 Inch
    Make:
    Universal Items
    Product Type:
    Cargo Control
    $548.99
    Qty in Cart: 0
    Price:
    $548.99
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  • Poly Hood Guide Assembly- Driver Side Replaces D26, E-7467, E7467, R307467, A80BL2204 For Kenworth

    Poly Hood Guide Assembly- Driver Side Replaces D26, E-7467, E7467, R307467, A80BL2204 For Kenworth

    AFTERMARKET

    $67.99
    Driver Side Hood Guide AssemblyRestore accurate hood positioning on your Kenworth with this Driver Side Poly Hood Guide Assembly. Constructed for durability, the kit includes a guide plate and a hood...
    02-12400053
    SKU:
    02-12400053
    Position:
    Passenger Side
    Product Type:
    Hood Parts & Acc.
    Make:
    Kenworth
    $67.99
    Qty in Cart: 0
    Price:
    $67.99
    Subtotal:
  • King Pin Kit W/ Composite Bushings Replaces 1436980112, SRK-112 For Watson & Chalin Suspension Systems

    King Pin Kit W/ Composite Bushings Replaces 1436980112, SRK-112 For Watson & Chalin Suspension Systems

    AUTOMANN USA

    $328.99
    Watson & Chalin Suspension King Pin KitThe King Pin Kit with Composite Bushings from Watson & Chalin provides a robust solution for worn or damaged suspension components. This comprehensive kit...
    09-051100932
    SKU:
    09-051100932
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $328.99
    Qty in Cart: 0
    Price:
    $328.99
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  • 72 Inch Fiberglass Cab Conversion Top For Kenworth Flat Top

    72 Inch Fiberglass Cab Conversion Top For Kenworth Flat Top

    TALLADEGA FIBERGLASS

    $3,091.99
    72 Inch Flat Top Cab Conversion TopTransform the look of your Kenworth flat top with this 72 Inch Fiberglass Cab Conversion Top, designed for stand-up sleeper conversions. Its high-quality fiberglass...
    02-1015002
    SKU:
    02-1015002
    Length Options:
    72 Inch
    Material Options:
    Stainless Steel
    Cab Style:
    Flat Top
    Product Type:
    Exterior
    Make:
    Kenworth
    $3,091.99
    Qty in Cart: 0
    Price:
    $3,091.99
    Subtotal:
  • 9.5 Inch Stainless Steel Drop Visor For Kenworth & Peterbilt

    9.5 Inch Stainless Steel Drop Visor For Kenworth & Peterbilt

    TWELVE GAUGE

    $810.99
    9.5 Inch Bracket Mount Drop VisorIf you've been waiting for a true traditional-style visor for the new PACCAR 2.1-meter cabs: here it is.Hand-rolled corners. Welded edges. 304 #8 stainless.This is...
    29-0900100
    SKU:
    29-0900100
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    Height Options:
    9 Inch
    Make:
    Kenworth
    Style Options:
    Straight Drop
    Ready To Ship:
    Yes
    $810.99
    Qty in Cart: 0
    Price:
    $810.99
    Subtotal:
  • EZ Claw Line Saver 3/8 Inch – 1/4 Inch Hose & Cable Block

    EZ Claw Line Saver 3/8 Inch – 1/4 Inch Hose & Cable Block

    EZ CLAW

    $25.49
    Line Saver 3/8 Inch - 1/4 Inch Hose & Cable Block By EZ ClawSimplify your cab line setup with the EZ Claw Line Saver 3/8 Inch - 1/4 Inch Hose & Cable Block. Designed to hold two 3/8 inch hoses and...
    29-055000066
    SKU:
    29-055000066
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $25.49
    Qty in Cart: 0
    Price:
    $25.49
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  • EZ Claw Black Sling

    EZ Claw Black Sling

    EZ CLAW

    $15.29
    Black Sling By EZ ClawReliable line support for every truck is built into the EZ Claw Black Sling, designed for 3-in-1, 4-in-1, and hydraulic hoses. Equipped with a marine-grade stainless steel...
    29-055000067
    SKU:
    29-055000067
    Product Type:
    Cargo Control
    Material Options:
    Nylon
    Make:
    Universal Items
    $15.29
    Qty in Cart: 0
    Price:
    $15.29
    Subtotal:
  • EZ Claw Black Rubber Versa/Top Mount Bracket Gasket

    EZ Claw Black Rubber Versa/Top Mount Bracket Gasket

    EZ CLAW

    $15.29
    Versa/Top Mount Bracket Gasket By EZ ClawSecure your truck brackets with confidence using the EZ Claw Black Rubber Versa/Top Mount Bracket Gasket. Designed to reduce vibration and maintain bolt...
    29-055000069
    SKU:
    29-055000069
    Product Type:
    Cargo Control
    Material Options:
    Rubber
    Make:
    Universal Items
    $15.29
    Qty in Cart: 0
    Price:
    $15.29
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  • EZ Claw Black Steel PACCAR Adapter Bracket

    EZ Claw Black Steel PACCAR Adapter Bracket

    EZ CLAW

    $71.99
    PACCAR Adapter Bracket By EZ ClawPrecision, strength, and reliability come together in the EZ Claw Black Steel PACCAR Adapter Bracket. Engineered for PACCAR Day Cabs with three rear windows, it...
    29-055000062
    SKU:
    29-055000062
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • EZ Claw Black Rubber Flange Mount Bracket Gasket

    EZ Claw Black Rubber Flange Mount Bracket Gasket

    EZ CLAW

    $15.29
    Flange Mount Bracket Gasket By EZ ClawReduce vibration and maintain tight mounts with the EZ Claw Black Rubber Flange Mount Bracket Gasket. Made from 1/8 inch thick EPDM rubber, it forms a secure...
    29-055000068
    SKU:
    29-055000068
    Product Type:
    Cargo Control
    Material Options:
    Rubber
    Make:
    Universal Items
    $15.29
    Qty in Cart: 0
    Price:
    $15.29
    Subtotal:
  • EZ Claw Black Steel Yard Truck Adapter Bracket

    EZ Claw Black Steel Yard Truck Adapter Bracket

    EZ CLAW

    $91.99
    Yard Truck Adapter Bracket By EZ ClawDurable and expertly engineered, the EZ Claw Black Steel Yard Truck Adapter Bracket ensures a sturdy, flat mounting surface for your Versa Mount Short Bracket...
    29-055000063
    SKU:
    29-055000063
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $91.99
    Qty in Cart: 0
    Price:
    $91.99
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  • EZ Claw 3 -3/8 Inch Hose & Cable Block W/ Swivel

    EZ Claw 3 -3/8 Inch Hose & Cable Block W/ Swivel

    EZ CLAW

    $35.69
    3 -3/8 Inch Hose & Cable Block W/ Swivel By EZ ClawFlexible, durable, and reliable, the EZ Claw 3 - 3/8 Inch Hose & Cable Block with Swivel organizes three standard lines while connecting to a...
    29-055000065
    SKU:
    29-055000065
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $35.69
    Qty in Cart: 0
    Price:
    $35.69
    Subtotal:
  • EZ Claw 3 -3/8 Inch Hose & Cable Block

    EZ Claw 3 -3/8 Inch Hose & Cable Block

    EZ CLAW

    $25.49
    3 -3/8 Inch Hose & Cable Block By EZ ClawKeep your hoses organized and safe with the EZ Claw 3 - 3/8 Inch Hose & Cable Block. With three 3/8 inch holes and a two-piece design, it attaches to the...
    29-055000064
    SKU:
    29-055000064
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $25.49
    Qty in Cart: 0
    Price:
    $25.49
    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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