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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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  • Chrome Interior Rear View Mirror, Glue On Mount

    Chrome Interior Rear View Mirror, Glue On Mount

    UNITED PACIFIC

    $42.42
    Add a polished touch to your cab with a rectangular or oval shaped chrome interior rear view mirror featuring a glue-on mount for easy installation. This sleek mirror delivers a clean, reflective...
    PPR_299727
    SKU:
    PPR_299727
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    Shape Options:
    Rectangular
    Shape Options:
    Oval
    Material Options:
    Aluminum
    Make:
    Universal Items
    $42.42
    Qty in Cart: 0
    Price:
    $42.42
    Subtotal:
  • Pressure Protection Valve

    Pressure Protection Valve

    VELVAC

    $39.70 - $52.99
    The pressure protection valve available from 4 State Trucks helps maintain air system integrity by allowing air to flow only after system pressure reaches the chosen threshold, protecting critical...
    PPR_299712
    SKU:
    PPR_299712
    Product Type:
    Air, Electrical, & Safety
    Location:
    Made In USA
    Rating:
    55 PSI
    Make:
    Universal Items
    Material Options:
    Steel
    $39.70 - $52.99
    Qty in Cart: 0
    Price:
    $39.70 - $52.99
    Subtotal:
  • Stop/Turn 3rd Brake Light with Swivel Pedestal Base - Red LED / Red Lens

    Stop/Turn 3rd Brake Light with Swivel Pedestal Base - Red LED / Red Lens

    UNITED PACIFIC

    $32.10
    The stop/turn 3rd brake light with an adjustable pedestal base delivers bright, reliable visibility with red LEDs under a red lens, making it an excellent choice for enhanced safety on the road...
    PPR_299713
    SKU:
    PPR_299713
    Product Type:
    Lighting
    Color:
    Red
    Material Options:
    Plastic/Poly
    Style Options:
    LED
    Make:
    Universal Items
    Degree Options:
    180
    Style Options:
    Split Function
    $32.10
    Qty in Cart: 0
    Price:
    $32.10
    Subtotal:
  • On Sale
    Limited Quantity Available
    Full Fender Mounting Kit SS 12 Gauge Triangular End Mounts, Threaded Post Mount

    Full Fender Mounting Kit SS 12 Gauge Triangular End Mounts, Threaded Post Mount

    TRUX ACCESSORIES

    Now: $602.79
    Was: $684.99
    These heavy duty 12 gauge stainless steel mounting kits are designed to support full fenders while offering flexibility through two adjustable mounting styles. Kits include a complete set of...
    PPR_299708
    SKU:
    PPR_299708
    Product Type:
    Rear Fenders
    Size Options:
    12 Gauge
    Make:
    Universal Items
    Position:
    Kit Full
    Style Options:
    Full Fender
    Now: $602.79
    Was: $684.99
    Qty in Cart: 0
    Price:
    Now: $602.79
    Was: $684.99
    Subtotal:
  • Stainless Steel Rear Center Panel With 4- 4 Inch Turbine Light & 6- 2 Inch Lights - Red LED / Red Lens

    Stainless Steel Rear Center Panel With 4- 4 Inch Turbine Light & 6- 2 Inch Lights - Red LED / Red Lens

    UNITED PACIFIC

    $316.99
    Transform your truck's rear lighting with the stainless steel rear center panel featuring four 4-inch round lights and six 2-inch LED lights, all with red lenses for strong visibility. This polished...
    PPR_299714
    SKU:
    PPR_299714
    Product Type:
    Frame & Chassis
    Color:
    Red
    Material Options:
    Stainless Steel
    Width Options:
    34 Inch
    Make:
    Universal Items
    Position:
    Rear
    Finish Options:
    Polished
    $316.99
    Qty in Cart: 0
    Price:
    $316.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Bawer Tool Box Top Tray With 6 Inch Oval Light Hole- 4 X 18 X 48 Inch

    Bawer Tool Box Top Tray With 6 Inch Oval Light Hole- 4 X 18 X 48 Inch

    BAWER TOOL BOXES

    $92.77 - $147.45
    Upgrade your truck's storage and functionality with the Bawer Tool Box Top Tray featuring a 6-inch oval light hole, measuring 4 x 18 x 48 inches. Available in high-quality stainless steel or a sleek...
    PPR_299709
    SKU:
    PPR_299709
    Length Options:
    48 Inch
    Color:
    Black
    Width Options:
    18 Inch
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Height Options:
    4 Inch
    Product Type:
    Toolboxes
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $92.77 - $147.45
    Qty in Cart: 0
    Price:
    $92.77 - $147.45
    Subtotal:
  • Tractor Maltese Cross Air Valve Knob Candy Color Sticker

    Tractor Maltese Cross Air Valve Knob Candy Color Sticker

    UNITED PACIFIC

    $3.46
    Add a custom touch to your rig with the tractor Maltese cross air valve knob featuring a vibrant candy color of silver, purple or green sticker for bold visual appeal. Designed to fit most standard...
    PPR_299710
    SKU:
    PPR_299710
    Color:
    Purple
    Color:
    Green
    Color:
    Silver
    Make:
    Universal Items
    Product Type:
    Interior
    $3.46
    Qty in Cart: 0
    Price:
    $3.46
    Subtotal:
  • Trailer Maltese Cross Air Valve Knob Candy Color Sticker

    Trailer Maltese Cross Air Valve Knob Candy Color Sticker

    UNITED PACIFIC

    $3.46
    Add a custom accent to your rig with the trailer Maltese cross candy color sticker, designed to bring bold style and classic truck inspiration to trailers, toolboxes, or other flat surfaces...
    PPR_299711
    SKU:
    PPR_299711
    Color:
    Purple
    Color:
    Green
    Color:
    Silver
    Make:
    Universal Items
    Product Type:
    Interior
    $3.46
    Qty in Cart: 0
    Price:
    $3.46
    Subtotal:
  • 2 Wire Pigtail With 2 Prong Right Angle Plug With 12 Inch Lead

    2 Wire Pigtail With 2 Prong Right Angle Plug With 12 Inch Lead

    UNITED PACIFIC

    $12.36 - $55.99
    2-Wire Pigtail with 2-Prong Right-Angle Plug and 12-Inch Lead - a quick, plug-and-play wiring solution for marker, clearance, or small LED lights on trailers and trucks. This 2-prong pigtail...
    PPR_299700
    SKU:
    PPR_299700
    Length Options:
    12 Inch
    Product Type:
    Lighting
    Style Options:
    2 Prong
    Make:
    Universal Items
    $12.36 - $55.99
    Qty in Cart: 0
    Price:
    $12.36 - $55.99
    Subtotal:
  • 18 Gauge 430 Stainless Steel SR Series Half Fenders

    18 Gauge 430 Stainless Steel SR Series Half Fenders

    UNITED PACIFIC

    $399.99 - $431.99
    Upgrade your truck's look and performance with SR Series half fenders, made from durable 18 gauge 430 stainless steel and available in 66 inch length with 27 inch spread or 80 inch length with 41...
    PPR_299696
    SKU:
    PPR_299696
    Material Options:
    Stainless Steel
    Length Options:
    66 Inch
    Width Options:
    27 Inch
    Size Options:
    18 Gauge
    Product Type:
    Rear Fenders
    Width Options:
    41 Inch
    Length Options:
    80 Inch
    Style Options:
    Flat
    Make:
    Universal Items
    Style Options:
    Half Fender
    Location:
    Made In USA
    $399.99 - $431.99
    Qty in Cart: 0
    Price:
    $399.99 - $431.99
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  • 3-7/8 Inch High Power Work Flood Light With 9 LEDs

    3-7/8 Inch High Power Work Flood Light With 9 LEDs

    UNITED PACIFIC

    $29.02 - $30.19
    The 3-7/8 inch high power work flood light delivers serious illumination in a compact package, powered by 9 bright LEDs that produce 2380 lumens with a crisp 6000 K color temperature. Its 180-degree...
    PPR_299701
    SKU:
    PPR_299701
    Degree Options:
    180
    Length Options:
    3 7/8 Inch
    Material Options:
    Aluminum
    Shape Options:
    Round
    Style Options:
    LED
    Length Options:
    3 3/4 Inch
    Width Options:
    3 7/8 Inch
    Product Type:
    Lighting
    Width Options:
    3 3/4 Inch
    Location:
    Made In USA
    Shape Options:
    Square
    Make:
    Universal Items
    $29.02 - $30.19
    Qty in Cart: 0
    Price:
    $29.02 - $30.19
    Subtotal:
  • Reflector Double Face Competition Series Turn Signal LED Light Lens

    Reflector Double Face Competition Series Turn Signal LED Light Lens

    UNITED PACIFIC

    $40.64
    The 42-LED Double Face Reflector Competition Series Turn Signal LED Light delivers strong, reliable illumination from both sides thanks to its dual-face design - 21 bright LEDs per side under amber...
    PPR_299702
    SKU:
    PPR_299702
    Color:
    Amber/Red
    Style Options:
    LED
    Product Type:
    Lighting
    Color:
    Amber
    Make:
    Universal Items
    Location:
    Made In USA
    Ready To Ship:
    Yes
    $40.64
    Qty in Cart: 0
    Price:
    $40.64
    Subtotal:
  • 120 Inch 16 Gauge 430 Stainless Steel SR Series Beaded Edge Ribbed Full Fender

    120 Inch 16 Gauge 430 Stainless Steel SR Series Beaded Edge Ribbed Full Fender

    UNITED PACIFIC

    $733.99
    Give your rig a bold, finished look with the SR Series beaded edge ribbed full fender, crafted from strong 16 gauge 430 stainless steel. Available in 120 inches by 54 inches or 120 inches by 60...
    PPR_299697
    SKU:
    PPR_299697
    Length Options:
    120 Inch
    Product Type:
    Rear Fenders
    Width Options:
    54 Inch
    Size Options:
    16 Gauge
    Material Options:
    Stainless Steel
    Width Options:
    60 Inch
    Make:
    Universal Items
    Style Options:
    Full Fender
    Location:
    Made In USA
    $733.99
    Qty in Cart: 0
    Price:
    $733.99
    Subtotal:
  • 8 AWG HD Vinyl Ring Terminals - 4 Pack

    8 AWG HD Vinyl Ring Terminals - 4 Pack

    UNITED PACIFIC

    $4.40
    Finish your wiring projects with confidence using this 4 pack of 8 AWG heavy-duty vinyl ring terminals. Designed for reliable electrical connections, these terminals feature a sturdy metal ring and a...
    PPR_299692
    SKU:
    PPR_299692
    Product Type:
    Air, Electrical, & Safety
    Material Options:
    Vinyl
    Make:
    Universal Items
    $4.40
    Qty in Cart: 0
    Price:
    $4.40
    Subtotal:
  • Glossy Dash Knob Sticker 1.75 Inch Round

    Glossy Dash Knob Sticker 1.75 Inch Round

    UNITED PACIFIC

    $4.75
    Show off where you're from-or where your heart is-with these 1.75-inch round glossy flag stickers. Designed to fit most standard dash knobs, these high-gloss decals bring bold personality to your...
    PPR_299698
    SKU:
    PPR_299698
    Diameter Options:
    1 3/4 Inch
    Product Type:
    Interior
    Shape Options:
    Round
    Location:
    Made In USA
    Make:
    Universal Items
    $4.75
    Qty in Cart: 0
    Price:
    $4.75
    Subtotal:
  • Double Face Housing W/ 2 Watermelon Glass

    Double Face Housing W/ 2 Watermelon Glass

    UNITED PACIFIC

    $61.99
    Upgrade your rig with the Chrome Double Face Watermelon Light with Glass Lens - a heavy-duty, chrome-plated double-face housing designed for head-turning style and lasting performance. This...
    PPR_299699
    SKU:
    PPR_299699
    Color:
    Amber
    Length Options:
    6 Inch
    Material Options:
    Glass
    Style Options:
    Watermelon
    Color:
    Amber/Clear
    Width Options:
    3 5/8 Inch
    Product Type:
    Lighting
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Ready To Ship:
    Yes
    $61.99
    Qty in Cart: 0
    Price:
    $61.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome Die-Cast Acorn Nut Cover - 50 Piece

    Chrome Die-Cast Acorn Nut Cover - 50 Piece

    UNITED PACIFIC

    $44.24 - $53.99
    Add a sleek, custom touch to your wheels with this 50-piece set of chrome die-cast acorn nut covers. Made from durable die-cast metal with a bright chrome finish, these covers are built to last while...
    PPR_299694
    SKU:
    PPR_299694
    Finish Options:
    Chrome-Plated
    Diameter Options:
    3/4 Inch
    Style Options:
    Acorn
    Make:
    Universal Items
    Material Options:
    Zinc
    Height Options:
    5/8 Inch
    Diameter Options:
    7/16 Inch
    Type Options:
    Push On
    Finish Options:
    Zinc-Plated
    Diameter Options:
    3/8 Inch
    Material Options:
    Diecast
    Product Type:
    Frame & Chassis
    $44.24 - $53.99
    Qty in Cart: 0
    Price:
    $44.24 - $53.99
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  • 33MM x 2 Inch Chrome Steel Reflector Nut Cover With Flange - 50 Pack

    33MM x 2 Inch Chrome Steel Reflector Nut Cover With Flange - 50 Pack

    UNITED PACIFIC

    $52.99 - $53.99
    Give your wheels a standout finish with this 50-pack of 33mm x 2 inch chrome steel reflector nut covers with flange. Designed to fit snugly over standard 33mm lug nuts, each cover features a built-in...
    PPR_299695
    SKU:
    PPR_299695
    Color:
    Amber
    Color:
    Red
    Length Options:
    2 Inch
    Material Options:
    Steel
    Size Options:
    33 mm
    Color:
    Blue
    Finish Options:
    Chrome-Plated
    Product Type:
    Wheels
    Style Options:
    Flanged
    Make:
    Universal Items
    $52.99 - $53.99
    Qty in Cart: 0
    Price:
    $52.99 - $53.99
    Subtotal:
  • Mini Watermelon Double Fury Clearance/Marker Color Changing Light

    Mini Watermelon Double Fury Clearance/Marker Color Changing Light

    UNITED PACIFIC

    $13.74 - $15.24
    Turn heads and light up your rig with this mini watermelon-style Double Fury clearance marker light featuring vibrant color-changing LEDs. Designed for maximum visual impact in a compact package,...
    PPR_299689
    SKU:
    PPR_299689
    Material Options:
    Plastic/Poly
    Color:
    Amber/Purple
    Color:
    Amber/Blue
    Color:
    Red/Purple
    Color:
    Red/Blue
    Color:
    Amber/Green
    Color:
    Amber/White
    Color:
    Red/Green
    Color:
    Red/White
    Product Type:
    Lighting
    Make:
    Universal Items
    Location:
    Made In USA
    Ready To Ship:
    Yes
    Style Options:
    Watermelon
    Color:
    Amber/Red
    Shape Options:
    Round
    Diameter Options:
    3/4 Inch
    $13.74 - $15.24
    Qty in Cart: 0
    Price:
    $13.74 - $15.24
    Subtotal:
  • Stress Ballz Novelty Key Chain Squishy Foam

    Stress Ballz Novelty Key Chain Squishy Foam

    UNITED PACIFIC

    $7.23
    Choose Option(s) to see description.Black Stress Ballz Novelty Key ChainStress Ballz Novelty Key ChainThe 4.25 Inch Stress Ballz Novelty key chain is a fun, squishy foam keychain that helps relieve...
    PPR_299691
    SKU:
    PPR_299691
    Product Type:
    Apparel
    Color:
    Black
    Color:
    Red
    Make:
    Universal Items
    Material Options:
    Foam
    $7.23
    Qty in Cart: 0
    Price:
    $7.23
    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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