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Kenworth T660 Parts

The Kenworth T660 semi truck model is a good example of Kenworth's commitment to providing great trucks and great value and we can make you stand out even more by customizing your semi truck with quality aftermarket and custom parts and chrome accessories from 4 State Trucks. Whether you want to update your KW exhaust, fenders, or fuel tank, 4 State Trucks has the right aftermarket parts for the job. Hit the highway in safety and style in your Kenworth heavy duty truck or 18 wheeler.
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  • Qty in Cart
  • Quantity
  • Price
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  • 1 Piece Stainless Steel Standard Watermelon Bunk Light Adapter Kit- Red LED/ Red Lens

    1 Piece Stainless Steel Standard Watermelon Bunk Light Adapter Kit- Red LED/ Red Lens

    SHIFT PRODUCTS

    $100.99
    Standard Watermelon Bunk Light Adapter Kit- Red LED/ Red LensExperience superior bunk lighting with the Stainless Steel Watermelon Bunk Light Adapter Kit, combining a bold red LED light with a rugged...
    09-160106598
    SKU:
    09-160106598
    Product Type:
    Lighting
    Style Options:
    Watermelon
    Material Options:
    Stainless Steel
    Color:
    Red
    Make:
    Universal Items
    $100.99
    Qty in Cart: 0
    Price:
    $100.99
    Subtotal:
  • Electrical Junction Box With Cover & Hardware- 7 Terminal

    Electrical Junction Box With Cover & Hardware- 7 Terminal

    AUTOMANN USA

    $15.43
    7 Terminal Electrical Junction BoxThe Electrical Junction Box With Cover & Hardware is your solution for organized, dependable truck wiring. With clearly labeled terminals and included mounting...
    09-160300029
    SKU:
    09-160300029
    Product Type:
    Lighting
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $15.43
    Qty in Cart: 0
    Price:
    $15.43
    Subtotal:
  • Amber Turn Signal & Marker Light

    Amber Turn Signal & Marker Light

    TRUX ACCESSORIES

    $39.89
    Oval Marker Light* High Quality Oval Light* Made Of Polycarbonate Lens* Dual Function, Turn Signal & Marker* With Hump* 3 Prong Wiring Adapter* 12V 130 MA* 6.5 Inch Length* 2.5 Inch Width* 2.12 Inch...
    09-160101043
    SKU:
    09-160101043
    Color:
    Amber
    Material Options:
    Plastic/Poly
    Product Type:
    Lighting
    Length Options:
    6 1/2 Inch
    Height Options:
    2 Inch
    Width Options:
    2 1/2 Inch
    Style Options:
    3 Prong
    Make:
    Universal Items
    $39.89
    Qty in Cart: 0
    Price:
    $39.89
    Subtotal:
  • Stainless Steel 8.5 Inch Convex Mirror- Heated With Amber LED Marker Light

    Stainless Steel 8.5 Inch Convex Mirror- Heated With Amber LED Marker Light

    AFTERMARKET

    $79.99
    8.5 Inch Heated Convex Mirror With Amber LED Marker LightAchieve superior roadside safety with the 8.5-inch stainless steel convex mirror, featuring passenger-side installation and a heating element...
    09-091500011
    SKU:
    09-091500011
    Color:
    Amber
    Product Type:
    Exterior
    Position:
    Passenger Side
    Material Options:
    Stainless Steel
    Diameter Options:
    8 1/2 Inch
    Type Options:
    Heated
    Style Options:
    Convex
    Make:
    Universal Items
    $79.99
    Qty in Cart: 0
    Price:
    $79.99
    Subtotal:
  • 5.5-6.5 Inch Automatic Slack Adjuster For Drive Axle Replaces 818552, 97353, E6924B, 40010121, 40910649, 40910733, M807022, R806022, 0305886

    5.5-6.5 Inch Automatic Slack Adjuster For Drive Axle Replaces 818552, 97353, E6924B, 40010121, 40910649, 40910733, M807022, R806022, 0305886

    AUTOMANN USA

    $86.99
    5.5-6.5 Inch Haldex Type Automatic Slack Adjuster For Drive AxleImprove your Haldex drive axle braking with the 5.5-6.5 Inch Automatic Slack Adjuster. This high-quality automatic adjuster features a...
    09-051700019
    SKU:
    09-051700019
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $86.99
    Qty in Cart: 0
    Price:
    $86.99
    Subtotal:
  • Stainless Steel 7 X 16 Inch West Coast Mirror- Heated & Amber LED Marker Light

    Stainless Steel 7 X 16 Inch West Coast Mirror- Heated & Amber LED Marker Light

    AUTOMANN USA

    $69.99
    7 X 16 Inch Heated West Coast Mirror With Amber LED Marker LightExperience unmatched safety and clarity with the 7 x 16 Inch Stainless Steel West Coast Mirror, built to withstand harsh trucking...
    09-091500010
    SKU:
    09-091500010
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Height Options:
    16 Inch
    Width Options:
    7 Inch
    Type Options:
    Heated
    Color:
    Amber
    Style Options:
    West Coast Turn
    Make:
    Universal Items
    $69.99
    Qty in Cart: 0
    Price:
    $69.99
    Subtotal:
  • 16.5 X 7 Inch 10 Hole Brake Drum Replaces 3166, 3122607002, 56893F, 66853, 66893, 66893F

    16.5 X 7 Inch 10 Hole Brake Drum Replaces 3166, 3122607002, 56893F, 66853, 66893, 66893F

    AUTOMANN USA

    $320.99
    10 Hole 16.5 X 7 Inch Brake DrumReplace worn-out brake drums with the 16.5 X 7 Inch 10-Hole Brake Drum for precision performance and safety. This high-quality drum features ten 0.810-inch bolt holes,...
    09-051700022
    SKU:
    09-051700022
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $320.99
    Qty in Cart: 0
    Price:
    $320.99
    Subtotal:
  • 7 X 16 Inch West Coast Convex Mirror With LED Marker Light

    7 X 16 Inch West Coast Convex Mirror With LED Marker Light

    AFTERMARKET

    $82.99
    Stainless Steel West Coast Mirror With LED Marker LightDrive with confidence using the 7 x 16 Inch West Coast Convex Mirror with LED Marker Light, designed to improve visibility on both sides of your...
    09-091500009
    SKU:
    09-091500009
    Height Options:
    16 Inch
    Width Options:
    7 Inch
    Style Options:
    Convex
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Make:
    Universal Items
    $82.99
    Qty in Cart: 0
    Price:
    $82.99
    Subtotal:
  • 6.5 Inch Automatic Slack Adjuster Replaces E-11403, E11403, R802512

    6.5 Inch Automatic Slack Adjuster Replaces E-11403, E11403, R802512

    AUTOMANN USA

    $85.99
    6.5 Inch Meritor Type Automatic Slack AdjusterMaintain safe and consistent braking with the 6.5 Inch Automatic Slack Adjuster for Meritor Type A systems. This high-quality automatic adjuster comes...
    09-051700017
    SKU:
    09-051700017
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $85.99
    Qty in Cart: 0
    Price:
    $85.99
    Subtotal:
  • 4 Bay Lock Jaw Clamp Tool Rack

    4 Bay Lock Jaw Clamp Tool Rack

    JONES MFG

    $111.90
    Lock Jaw Clamp Tool Rack- 4 BayProtect and organize your tools with the 4 Bay Lock Jaw Clamp Tool Rack. Each rack includes four bay slots, a lockable anti-theft system, and a sturdy screw-on mount...
    09-020200101
    SKU:
    09-020200101
    Product Type:
    Cargo Control
    Height Options:
    4 1/2 Inch
    Width Options:
    5 Inch
    Length Options:
    16 1/4 Inch
    Make:
    Universal Items
    $111.90
    Qty in Cart: 0
    Price:
    $111.90
    Subtotal:
  • Brass Dust Cap For Wing Type Nipple

    Brass Dust Cap For Wing Type Nipple

    AUTOMANN USA

    $18.72
    1.515 ID X 1.610 Inch Brass Dust CapAdd dependable protection to your fittings with this Brass Dust Cap for Wing Type Nipple. Designed from premium brass, this high-quality dust cap is built to...
    09-02500159
    SKU:
    09-02500159
    Product Type:
    Cargo Control
    Material Options:
    Brass
    Diameter Options:
    1 1/2 Inch
    Length Options:
    3/4 Inch
    Make:
    Universal Items
    $18.72
    Qty in Cart: 0
    Price:
    $18.72
    Subtotal:
  • 4 Bay J-Lock Load Rack- Horizontal Mount

    4 Bay J-Lock Load Rack- Horizontal Mount

    JONES MFG

    $161.90
    Horizontal Mount 4 Bay J-Lock Load RackKeep your equipment safe and accessible with the 4 Bay J-Lock Load Rack - Horizontal Mount. Designed to hold 1.5-inch and 1.675-inch J bars, each rack features...
    09-020200097
    SKU:
    09-020200097
    Material Options:
    Aluminum
    Product Type:
    Cargo Control
    Finish Options:
    Black Powder Coat
    Make:
    Universal Items
    $161.90
    Qty in Cart: 0
    Price:
    $161.90
    Subtotal:
  • 2 Bay Lock Jaw Clamp Tool Rack

    2 Bay Lock Jaw Clamp Tool Rack

    JONES MFG

    $68.90
    Lock Jaw Clamp Tool Rack- 2 BayAchieve superior organization with the 2 Bay Lock Jaw Clamp Tool Rack. Designed for long-handled tools, this high-quality rack includes two bay slots and a lockable...
    09-020200100
    SKU:
    09-020200100
    Height Options:
    4 1/2 Inch
    Width Options:
    5 Inch
    Product Type:
    Cargo Control
    Length Options:
    9 Inch
    Make:
    Universal Items
    $68.90
    Qty in Cart: 0
    Price:
    $68.90
    Subtotal:
  • Stainless Steel Carrier Comfort Pro APU Box Cover Kit

    Stainless Steel Carrier Comfort Pro APU Box Cover Kit

    SOARING EAGLE

    $1,070.99
    18.375 X 25 X 28.12 Inch Stainless Steel Carrier Comfort Pro APU Box Cover KitProtect your Carrier Comfort Pro APU in style with this Stainless Steel APU Box Cover Kit. Constructed from premium...
    09-0201031
    SKU:
    09-0201031
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Height Options:
    28 Inch
    Length Options:
    18 1/4 Inch
    Width Options:
    25 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $1,070.99
    Qty in Cart: 0
    Price:
    $1,070.99
    Subtotal:
  • 2 Bay Lock Jaw Clamp Tool Rack With Pocket Bracket

    2 Bay Lock Jaw Clamp Tool Rack With Pocket Bracket

    JONES MFG

    $54.99
    Lock Jaw Clamp Tool Rack With Pocket Bracket- 2 BayMaximize your truck's tool storage with the 2 Bay Lock Jaw Clamp Tool Rack with Pocket Bracket. Featuring two bay slots, a lockable anti-theft...
    09-020200098
    SKU:
    09-020200098
    Length Options:
    9 Inch
    Height Options:
    4 1/2 Inch
    Product Type:
    Cargo Control
    Width Options:
    5 Inch
    Make:
    Universal Items
    $54.99
    Qty in Cart: 0
    Price:
    $54.99
    Subtotal:
  • 4 Bay Lock Jaw Clamp Tool Rack With Pocket Bracket

    4 Bay Lock Jaw Clamp Tool Rack With Pocket Bracket

    JONES MFG

    $67.90
    Lock Jaw Clamp Tool Rack With Pocket Bracket- 4 BayTake control of your tool storage with the 4 Bay Lock Jaw Clamp Tool Rack with Pocket Bracket, designed to keep long-handled tools neat and secure...
    09-020200099
    SKU:
    09-020200099
    Length Options:
    16 1/4 Inch
    Height Options:
    4 1/2 Inch
    Width Options:
    5 Inch
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $67.90
    Qty in Cart: 0
    Price:
    $67.90
    Subtotal:
  • 2 Bay J-Lock Load Rack- Horizontal Mount

    2 Bay J-Lock Load Rack- Horizontal Mount

    JONES MFG

    $122.90
    Horizontal Mount 2 Bay J-Lock Load RackEnsure your J bars remain secure and organized with the 2 Bay J-Lock Load Rack - Horizontal Mount. Designed with two bay slots and a lockable, anti-theft...
    09-020200096
    SKU:
    09-020200096
    Material Options:
    Aluminum
    Product Type:
    Cargo Control
    Finish Options:
    Black Powder Coat
    Make:
    Universal Items
    $122.90
    Qty in Cart: 0
    Price:
    $122.90
    Subtotal:
  • 2 Bay J-Lock Load Lock Rack With Tray- Vertical Mount

    2 Bay J-Lock Load Lock Rack With Tray- Vertical Mount

    JONES MFG

    $91.99
    Vertical Mount 2 Bay J-Lock Load Lock Rack With TrayOrganize and secure your load bars with the 2 Bay J-Lock Load Lock Rack with Tray - Vertical Mount. Designed to accommodate both 1.5-inch and 1...
    09-020200094
    SKU:
    09-020200094
    Material Options:
    Aluminum
    Product Type:
    Cargo Control
    Finish Options:
    Black Powder Coat
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $91.99
    Qty in Cart: 0
    Price:
    $91.99
    Subtotal:
  • Smooth Aluminum Step Box W/ Smooth Lid- 30 X 29.13 X 24 Inch

    Smooth Aluminum Step Box W/ Smooth Lid- 30 X 29.13 X 24 Inch

    ICONIC

    $879.99
    30 X 29.13 X 24 Inch Smooth Aluminum Step Box W/ Smooth LidOptimize your truck storage with this 30 x 29.13 x 24 Inch Smooth Aluminum Step Box. Featuring a smooth aluminum lid, step tread, and...
    09-020100555
    SKU:
    09-020100555
    Height Options:
    24 Inch
    Finish Options:
    Smooth
    Width Options:
    29 Inch
    Product Type:
    Toolboxes
    Length Options:
    30 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $879.99
    Qty in Cart: 0
    Price:
    $879.99
    Subtotal:
  • WAB Aluminum Cleaner- 5 Gallon

    WAB Aluminum Cleaner- 5 Gallon

    WAB

    $122.99
    5 Gallon Aluminum Cleaner* High Quality Aluminum Trailer Cleaner Concentrate* Wab Chemicals Brand* Mixed To Be Biodegradable And Environmentally Friendly* 5 Gallons* Sold Individually* Warranty On...
    508
    SKU:
    508
    Capacity:
    5 Gallons
    Product Type:
    Polishing
    Make:
    Universal Items
    $122.99
    Qty in Cart: 0
    Price:
    $122.99
    Subtotal:
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Adding your products to cart

Keeping your Kenworth T660 in top shape? This parts lineup has everything you need whether you're doing regular maintenance, repairs, or adding some personal style. The T660 is known for its power, efficiency, and driver comfort, and this collection of parts helps you keep it all running smooth. you'll find engine and drivetrain components, performance parts, and all the essentials to stay road-ready. Want to upgrade your rig's appearance? Check out the bumpers, grilles, lights, and mud flaps made to fit the T660 just right. Inside the cab, you'll find comfort-focused upgrades like new seats, storage solutions, and electrical components that make long hauls a little easier. From filters and hoses to full chrome trim kits, this lineup covers every corner of your truck front to back, inside and out. Whether you're swapping out worn parts or customizing your ride, this is your one-stop shop for Kenworth T660 parts and accessories. Built for durability. Designed for comfort. Backed by quality. Ready when you are.

Frequently Asked Questions About Kenworth T660 Parts

What years are Kenworth T660 parts compatible with, and are they interchangeable between model years?

Kenworth T660 parts are designed for trucks manufactured from 2008 to 2016. While many parts are interchangeable across these years, some components underwent updates. For example, bumpers from 2008-2012 models may have different mounting points than 2013-2016 versions. Always verify your specific OEM and model year before ordering to ensure proper fitment, especially for body panels, electrical components, and emission-related parts.

Are aftermarket bumpers as durable as OEM Kenworth bumpers, and what materials should I look for?

Quality aftermarket bumpers can match or exceed OEM durability when made from the right materials. Look for bumpers constructed from 16-gauge steel or thicker, with proper chrome plating or powder coating. Stainless steel options offer superior corrosion resistance. Avoid bumpers made from thin gauge steel (18-20 gauge) as they tend to bend easily and show wear quickly. Chrome should be triple-plated for longevity, and welds should be continuous rather than spot-welded.

What tools and skills are needed to install T660 bumpers and body parts myself?

Basic bumper installation requires a socket set (typically 3/4" and 7/8"), torque wrench, and potentially a helper due to weight. Most bumpers weigh 80-150 pounds. You'll need to disconnect fog lights and any sensors. Installation typically takes 2-4 hours. For hood and fender replacements, add panel alignment tools and expect 4-6 hours. If your truck has collision avoidance sensors or adaptive cruise control, professional calibration may be required after installation.

What's the difference between chrome, stainless steel, and painted finish options for T660 parts?

Chrome bumpers offer the classic shiny appearance but require regular polishing and can pit in harsh climates. Stainless steel provides excellent corrosion resistance with less maintenance but costs 20-30% more. Painted finishes are the most economical and can be color-matched to your truck, but may chip and require touch-ups. For winter operations or coastal areas, stainless steel offers the best long-term value despite higher initial cost.

How do I identify the correct replacement parts for my specific T660 configuration?

Start with your OEM number to determine exact model year and factory specifications. Key variations include standard vs. extended hood, day cab vs. sleeper configuration, and whether you have the aerodynamic package. Bumper widths vary from 18" to 20" depending on these factors. Check for additional features like fog light cutouts, tow hook provisions, and sensor mounting points. When ordering electrical components like headlights, verify if you have the multiplexed electrical system (common in 2013+ models).


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