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Kenworth T800 Parts

Shop for Kenworth T800 parts and accessories to maintain and customize your heavy-duty truck components, from the interior sleeper to the exterior cab.
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  • Chrome High Hat Rear Axle Cover Set For Aluminum 20 Inch, 22.5 Inch And 24.5 Inch Wheels

    Chrome High Hat Rear Axle Cover Set For Aluminum 20 Inch, 22.5 Inch And 24.5 Inch Wheels

    GRAND GENERAL

    $53.99
    High Hat Rear Axle Cover Set- Chrome Fits Aluminum 20 Inch, 22.5 Inch And 24.5 Inch WheelsMake your truck stand out on the road with the Chrome High Hat Rear Axle Cover Set, a durable,...
    09-200500096
    SKU:
    09-200500096
    Height Options:
    10 1/2 Inch
    Finish Options:
    Chrome-Plated
    Material Options:
    Steel
    Product Type:
    Wheels
    Make:
    Universal Items
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • RealWheels 22.5 Inch Stainless Steel American Road Series Front Simulator Kit For 22.5 X 8 Inch Wheels

    RealWheels 22.5 Inch Stainless Steel American Road Series Front Simulator Kit For 22.5 X 8 Inch Wheels

    REALWHEELS

    $529.99
    22.5 Inch American Road Series Front Simulator Kit By RealWheels Fits 22.5 X 8 Inch WheelsTransform the front wheels of your truck with the RealWheels 22.5 Inch Stainless Steel American Road Series...
    09-2003159
    SKU:
    09-2003159
    Product Type:
    Wheels
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Finish Options:
    Mirror
    Make:
    Universal Items
    $529.99
    Qty in Cart: 0
    Price:
    $529.99
    Subtotal:
  • 1.5 Inch Chrome Push On Lug Nut Cover- 10 Pack

    1.5 Inch Chrome Push On Lug Nut Cover- 10 Pack

    GRAND GENERAL

    $9.70
    1.5 Inch Chrome Lug Nut Cover- Push OnProtect your truck's lug nuts while adding a polished, chrome finish with the 1.5 Inch Chrome Push-On Lug Nut Covers. Made from chrome-plated steel, these covers...
    09-20060016
    SKU:
    09-20060016
    Material Options:
    Steel
    Product Type:
    Wheels
    Height Options:
    1 1/2 Inch
    Diameter Options:
    1 1/2 Inch
    Finish Options:
    Chrome-Plated
    Style Options:
    Push On
    Make:
    Universal Items
    $9.70
    Qty in Cart: 0
    Price:
    $9.70
    Subtotal:
  • FREE SHIPPING
    RealWheels Stainless Steel 22.5/ 24.5 Inch Unitized Front Hub Cover Kit

    RealWheels Stainless Steel 22.5/ 24.5 Inch Unitized Front Hub Cover Kit

    REALWHEELS

    $473.99
    22.5/ 24.5 Inch Unitized Front Hub Cover Kit By RealWheelsProtect your truck's front hubs while adding a premium look with the RealWheels Stainless Steel 22.5 / 24.5 Inch Unitized Front Hub Cover Kit...
    09-20030116
    SKU:
    09-20030116
    Material Options:
    Stainless Steel
    Product Type:
    Wheels
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $473.99
    Qty in Cart: 0
    Price:
    $473.99
    Subtotal:
  • Stealth Black Rear Domed Baby Moon Tandem Drive Axle Cover- Real Logo Floater

    Stealth Black Rear Domed Baby Moon Tandem Drive Axle Cover- Real Logo Floater

    REALWHEELS

    $360.99
    Black Rear Domed Baby Moon Tandem Drive Axle Cover- Real Logo Floater* High Quality Hub Cover Kit* Baby Moon Style* For Tandem Rear Axle (4 Pieces)* Fits 5/8 Inch Axel Studs* Stealth Black Powder...
    09-200500095
    SKU:
    09-200500095
    Material Options:
    Stainless Steel
    Finish Options:
    Black Powder Coat
    Diameter Options:
    5/8 Inch
    Product Type:
    Wheels
    Make:
    Universal Items
    $360.99
    Qty in Cart: 0
    Price:
    $360.99
    Subtotal:
  • RealWheels 22.5 Inch Stainless Steel Rear Simulator Kit For 22.5 X 8 Inch Wheels

    RealWheels 22.5 Inch Stainless Steel Rear Simulator Kit For 22.5 X 8 Inch Wheels

    REALWHEELS

    $854.99
    22.5 Inch Rear Simulator Kit By RealWheels Fits 22.5 X 8 Inch WheelsGive your truck a polished, show-ready look with the RealWheels 22.5 Inch Stainless Steel Rear Simulator Kit. Made from...
    09-20030018
    SKU:
    09-20030018
    Truck Class:
    Heavy Duty
    Product Type:
    Wheels
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $854.99
    Qty in Cart: 0
    Price:
    $854.99
    Subtotal:
  • RealWheels 6.5 X 8 Inch Stainless Steel Tag Axle Hubdometer

    RealWheels 6.5 X 8 Inch Stainless Steel Tag Axle Hubdometer

    REALWHEELS

    $116.99
    6.5 X 8 Inch Tag Axle Hubdometer By RealWheelsEnsure long-lasting accuracy and reliability with the RealWheels 6.5 x 8 Inch Stainless Steel Tag Axle Hubdometer, designed for heavy-duty applications...
    09-20030113
    SKU:
    09-20030113
    Product Type:
    Wheels
    Diameter Options:
    8 Inch
    Material Options:
    Stainless Steel
    Finish Options:
    Mirror
    Make:
    Universal Items
    $116.99
    Qty in Cart: 0
    Price:
    $116.99
    Subtotal:
  • Chrome Window Crank Handle W/ Red Jewel

    Chrome Window Crank Handle W/ Red Jewel

    GRAND GENERAL

    $12.11
    3-3/4 X 1-5/16 Inch Window Crank Handle W/ Red JewelAdd durability and style to your truck windows with the Chrome Window Crank Handle w/ Red Jewel. Crafted from chrome die-cast metal, this...
    09-1530088
    SKU:
    09-1530088
    Color:
    Red
    Product Type:
    Interior
    Material Options:
    Plastic/Poly
    Diameter Options:
    1 5/16 Inch
    Length Options:
    3 3/4 Inch
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    $12.11
    Qty in Cart: 0
    Price:
    $12.11
    Subtotal:
  • 2.5 X 1.5 X 1 Inch Stainless Steel Z Mounting Bracket- 3/8 Inch Thick

    2.5 X 1.5 X 1 Inch Stainless Steel Z Mounting Bracket- 3/8 Inch Thick

    GRAND GENERAL

    $11.74
    2.5 X 1.5 X 1 Inch Z Mounting Bracket- 3/8 Inch ThickSecurely mount your equipment with the 2.5 x 1.5 x 1 Inch Stainless Steel Z Mounting Bracket, engineered for high strength and professional...
    09-161000054
    SKU:
    09-161000054
    Height Options:
    1 Inch
    Product Type:
    Lighting
    Width Options:
    1 1/2 Inch
    Material Options:
    Stainless Steel
    Length Options:
    2 1/2 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $11.74
    Qty in Cart: 0
    Price:
    $11.74
    Subtotal:
  • 1004 Incandescent Blue Light Bulb

    1004 Incandescent Blue Light Bulb

    GRAND GENERAL

    $2.69
    1004 Incandescent Light Bulb- BlueIlluminate your truck with the reliable and stylish 1004 Incandescent Blue Light Bulb, a miniature high-quality bulb engineered for consistent performance. Featuring...
    09-160102036
    SKU:
    09-160102036
    Style Options:
    Incandescent
    Product Type:
    Lighting
    Color:
    Blue
    Make:
    Universal Items
    $2.69
    Qty in Cart: 0
    Price:
    $2.69
    Subtotal:
  • Stealth Black 9/10 Speed Shifter Adaptor

    Stealth Black 9/10 Speed Shifter Adaptor

    REALWHEELS

    $148.99
    9/10 Speed Shifter Adaptor- BlackOptimize your truck's gear-shifting experience with the Stealth Black 9/10 Speed Shifter Adaptor, built for precision, durability, and professional-grade styling...
    09-151300073
    SKU:
    09-151300073
    Product Type:
    Interior
    Material Options:
    Plastic/Poly
    Color:
    Black
    Make:
    Universal Items
    $148.99
    Qty in Cart: 0
    Price:
    $148.99
    Subtotal:
  • BESTfit 6-5 X 84 Inch Chrome Miter Cut Exhaust Stack

    BESTfit 6-5 X 84 Inch Chrome Miter Cut Exhaust Stack

    BESTFIT TRUCK PARTS

    $639.99
    6-5 X 84 Inch Miter Cut Exhaust Stack By BESTfitGive your truck a bold and polished look with the BESTfit 6-5 x 84 Inch Chrome Miter Cut Exhaust Stack. Crafted from premium chrome-plated steel, this...
    09-086584112
    SKU:
    09-086584112
    Finish Options:
    Chrome-Plated
    Height Options:
    84 Inch
    Product Type:
    Exhaust
    Style Options:
    Angled
    Diameter Options:
    6 To 5 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    $639.99
    Qty in Cart: 0
    Price:
    $639.99
    Subtotal:
  • BESTfit Aluminized Steel Exhaust Reducer 7 ID To 4 ID X 8 Inch

    BESTfit Aluminized Steel Exhaust Reducer 7 ID To 4 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $100.99
    7 ID To 4 ID X 8 Inch Exhaust Reducer By BESTfitMaintain optimal exhaust efficiency with the BESTfit Aluminized Steel Exhaust Reducer 7 ID to 4 ID x 8 Inch. Constructed from premium aluminized steel,...
    09-080100700
    SKU:
    09-080100700
    Material Options:
    Aluminized Steel
    Product Type:
    Exhaust
    Diameter Options:
    7 Inch
    Make:
    Universal Items
    $100.99
    Qty in Cart: 0
    Price:
    $100.99
    Subtotal:
  • BESTfit 7-5 X 96 Inch Chrome Curve Turn Exhaust Stack

    BESTfit 7-5 X 96 Inch Chrome Curve Turn Exhaust Stack

    BESTFIT TRUCK PARTS

    $958.99
    7-5 X 96 Inch Curve Turn Exhaust Stack By BESTfitTransform your rig with the BESTfit 7-5 x 96 Inch Chrome Curve Turn Exhaust Stack. Constructed from chrome-plated steel, this high-quality exhaust...
    09-087596172
    SKU:
    09-087596172
    Material Options:
    Steel
    Finish Options:
    Chrome-Plated
    Style Options:
    Curve Turn
    Diameter Options:
    7 To 5 Inch
    Product Type:
    Exhaust
    Make:
    Universal Items
    $958.99
    Qty in Cart: 0
    Price:
    $958.99
    Subtotal:
  • BESTfit Aluminized Steel Exhaust Reducer 5 OD To 3.5 OD X 8 Inch

    BESTfit Aluminized Steel Exhaust Reducer 5 OD To 3.5 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $40.99
    5 OD To 3.5 OD X 8 Inch Exhaust Reducer By BESTfitKeep your truck's exhaust operating at peak efficiency with the BESTfit Aluminized Steel Exhaust Reducer 5 OD to 3.5 OD x 8 Inch. Made from...
    09-08040020
    SKU:
    09-08040020
    Material Options:
    Aluminized Steel
    Product Type:
    Exhaust
    Make:
    Universal Items
    $40.99
    Qty in Cart: 0
    Price:
    $40.99
    Subtotal:
  • BESTfit 5 X 36 Inch Galvanized Steel Flex Hose

    BESTfit 5 X 36 Inch Galvanized Steel Flex Hose

    BESTFIT TRUCK PARTS

    $44.99
    5 X 36 Inch Flex Hose By BESTfitEnsure reliable airflow and exhaust management with the BESTfit 5 x 36 Inch Galvanized Steel Flex Hose, designed for durability and flexibility. Made from galvanized...
    09-08040019
    SKU:
    09-08040019
    Length Options:
    36 Inch
    Product Type:
    Exhaust
    Finish Options:
    Galvanized
    Diameter Options:
    5 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    $44.99
    Qty in Cart: 0
    Price:
    $44.99
    Subtotal:
  • FREE SHIPPING
    BESTfit 6 X 36 Inch Chrome Curve Turn Exhaust Stack

    BESTfit 6 X 36 Inch Chrome Curve Turn Exhaust Stack

    BESTFIT TRUCK PARTS

    $340.80
    6 X 36 Inch Curve Turn Exhaust Stack By BESTfitAdd both style and reliability to your truck with the BESTfit 6 x 36 Inch Chrome Curve Turn Exhaust Stack. Made from premium chrome-plated steel, this...
    09-086036173
    SKU:
    09-086036173
    Diameter Options:
    6 Inch
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Material Options:
    Steel
    Height Options:
    36 Inch
    Style Options:
    Curve Turn
    Make:
    Universal Items
    $340.80
    Qty in Cart: 0
    Price:
    $340.80
    Subtotal:
  • FREE SHIPPING OVER $249
    12-10 Gauge Yellow Heat Shrink Butt Connector - Single

    12-10 Gauge Yellow Heat Shrink Butt Connector - Single

    SPECTRO WIRE

    $1.01
    Yellow Heat Shrink Butt ConnectorDependable and easy to use, this yellow butt 12-10G connector provides a watertight cover to protect an electrical wire connection. It is made of polyolefin heat...
    09-161302101
    SKU:
    09-161302101
    Truck Class:
    Heavy Duty
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $1.01
    Qty in Cart: 0
    Price:
    $1.01
    Subtotal:
  • On Sale
    Limited Quantity Available
    FREE SHIPPING OVER $249
    12-10 Gauge Yellow Heat Shrink Butt Connector - Pack Of 5

    12-10 Gauge Yellow Heat Shrink Butt Connector - Pack Of 5

    TRUX ACCESSORIES

    Now: $0.85
    Was: $11.21
    Pack Of 5 Yellow Heat Shrink Butt ConnectorDependable and easy to use, these yellow butt 12-10G connectors provide a watertight cover to protect electrical wire connections. They are made of...
    09-161302004
    SKU:
    09-161302004
    Product Type:
    Air, Electrical, & Safety
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $0.85
    Was: $11.21
    Qty in Cart: 0
    Price:
    Now: $0.85
    Was: $11.21
    Subtotal:
  • FREE SHIPPING OVER $249
    1 Inch Black Plastic Wire Loom 50 Feet

    1 Inch Black Plastic Wire Loom 50 Feet

    PARTS DISTRIBUTING

    $50.99
    Black Plastic LoomThis black plastic wire loom is sold as a 50-foot roll and is 1 inch in diameter. It is a great way to protect and organize your wire, cable, and hose applications. The wire loom is...
    09-16040137
    SKU:
    09-16040137
    Product Type:
    Air, Electrical, & Safety
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
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Adding your products to cart

Shop Kenworth T800 Parts & Accessories

Restore or customize your Class 7 or 8 vocational rig with our massive inventory of heavy-duty Kenworth T800 parts and Kenworth T800 accessories. We stock direct-fit aftermarket components from top-tier brands to keep your heavy-hauler running strong and looking sharp.

Direct-Fit Kenworth T800 Replacement Parts

Reduce downtime with our selection of commercial-grade repair components. Find durable replacement parts for every area of your rig, including drivetrain components, HVAC systems, engine cooling (CACs and radiators), brake parts, and steering U-joints.

Exterior Chrome & Custom Lighting

Build a custom show rig or upgrade your daily driver with exact-fit exterior accessories:

Kenworth T800 Interior Accessories

Improve sleeper bunk comfort, in-cab organization, and dashboard appeal. Refresh your cabin with direct-fit Kenworth T800 interior dash panels and heavy-duty Kenworth T800 cab flooring upgrades.

Why Buy Kenworth T800 Parts From 4 State Trucks?

Dealership OEM parts are often expensive and backordered. Our aftermarket and OEM-equivalent parts deliver the reliability you need to stay on the road, alongside several key advantages:

Better Value: Significant cost savings and faster shipping replacement times than OEM.

Guaranteed Fitment: Commercial-grade parts engineered exactly for your truck's year and model.

Maximum Customization: A broader array of styles, finishes, and designs than the factory offers.

For 45 years, owner-operators, diesel repair shops, and fleet managers have trusted 4 State Trucks. Get fast shipping and real-time support from a team that knows and loves big rigs.

Frequently Asked Questions About Kenworth T800 Parts

What years are your Kenworth T800 parts compatible with, and how do I verify fitment for my specific truck?

Our Kenworth T800 parts are designed to fit models from 1987 through 2014, though specific compatibility varies by part. To verify fitment, check your truck's OEM plate located on the driver's side door jamb and note your exact model year and configuration (hood length, axle configuration). For bumpers and exterior parts, also note whether you have a set-forward or set-back front axle. When in doubt, contact our support team with your OEM and we'll confirm compatibility before you order.

Are your T800 bumpers made from chrome-plated steel or stainless steel, and what's the difference in durability?

We offer both chrome-plated steel and polished stainless steel bumpers for the T800. Chrome-plated bumpers provide an excellent mirror finish at a lower price point but require regular maintenance to prevent rust, especially in areas with road salt. Stainless steel bumpers cost more initially but resist corrosion without special care and maintain their appearance longer. For trucks operating in harsh weather conditions or coastal areas, we recommend stainless steel for its superior longevity.

Do I need to drill new holes or make modifications to install replacement bumpers and grilles on my T800?

Most of our T800 replacement bumpers and grilles are designed as direct bolt-on replacements using existing mounting points. However, if you're upgrading from a standard bumper to a heavy-duty or custom style, some drilling may be required. Each product page specifies whether modifications are needed. Basic installation typically requires standard hand tools and takes 2-4 hours. We include detailed instructions with each part, and mounting hardware is included unless otherwise noted.

What's the difference between OEM-style and aftermarket T800 parts in terms of fit and quality?

OEM-style parts are manufactured to match original Kenworth specifications exactly, ensuring precise fit and finish. Aftermarket options often provide enhanced features like heavier gauge steel, additional chrome plating layers, or improved mounting systems. Both meet DOT requirements where applicable. Aftermarket parts typically offer better value and may include upgrades like pre-drilled light holes or reinforced mounting brackets that weren't available on original equipment.

Can I install T800 parts myself, or should I have a shop do it? What special tools are required?

Many T800 parts like mirror brackets, grab handles, and smaller accessories can be installed with basic tools in your own shop. Larger components like bumpers, hoods, and fenders are manageable with two people and standard tools including socket sets, wrenches, and a drill. You'll need a torque wrench for critical fasteners. Professional installation is recommended for air ride suspensions, complete exhaust systems, or if you're uncomfortable working with heavy components. Always support heavy parts properly during installation to prevent injury or damage.


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