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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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  • FREE SHIPPING OVER $249
    Air Dryer Cartridge 6.45 X 5.35 Inch W/ Cartridge & O-Ring

    Air Dryer Cartridge 6.45 X 5.35 Inch W/ Cartridge & O-Ring

    AFTERMARKET

    $41.99
    6.45 X 5.35 Inch Air Dryer Cartridge W/ Cartridge & O-Ring* High Quality Air Dryer Cartridge* SG39 - 1.5 Threads* Desiccant Coalescing* 145 Lbs Max Operating Pressure Per Square Inch* Includes:  -...
    09-05170462
    SKU:
    09-05170462
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $41.99
    Qty in Cart: 0
    Price:
    $41.99
    Subtotal:
  • Stainless Steel Angled Welded 24 Inch Bottom Mud Flap Weight

    Stainless Steel Angled Welded 24 Inch Bottom Mud Flap Weight

    TRUX ACCESSORIES

    $103.99
    24 Inch Angled Stainless Steel Welded Bottom Mud Flap WeightGive your truck's mud flaps a custom, polished appearance with theStainless Steel Angled Welded 24 Inch Bottom Mud Flap Weights. Designed...
    09-05070189
    SKU:
    09-05070189
    Product Type:
    Mud Flaps
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $103.99
    Qty in Cart: 0
    Price:
    $103.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Alcohol Evaporator 9.906 Inch W/ 2.5 C To C Bolt Hole Distance

    Alcohol Evaporator 9.906 Inch W/ 2.5 C To C Bolt Hole Distance

    AFTERMARKET

    $88.99
    Alcohol Evaporator W/ 1/2 Inch NPT Ports Replaces 3507884C, 3507884C91* High Quality Alcohol Evaporator* Alcohol Evaporator Automatic Vaporizing Device For Keeping Air Lines Free of Ice* (2) 1/2 Inch...
    09-05170467
    SKU:
    09-05170467
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $88.99
    Qty in Cart: 0
    Price:
    $88.99
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  • Chrome Steel Mud Flap Hangers 33 X 5.5 Inch W/ 2.5 Inch Bolt Spacing

    Chrome Steel Mud Flap Hangers 33 X 5.5 Inch W/ 2.5 Inch Bolt Spacing

    TRUX ACCESSORIES

    $264.99
    Mud Flap Hangers 33 X 5.5 Inch Chrome Steel W/ 2.5 Inch Bolt SpacingGive your truck a quality rear end upgrade with33 Inch Chrome Steel Mud Flap Hangers. Built from stainless steel, these high...
    09-05070191
    SKU:
    09-05070191
    Product Type:
    Mud Flaps
    Make:
    Universal Items
    $264.99
    Qty in Cart: 0
    Price:
    $264.99
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  • Smooth Aluminum Underbody Toolbox W/ Single Swing Door 60 X 24 X 24 Inch

    Smooth Aluminum Underbody Toolbox W/ Single Swing Door 60 X 24 X 24 Inch

    TPHD

    $919.99
    60 X 24 X 24 Inch Smooth Aluminum Underbody Toolbox W/ Single Swing Door* High Quality Underbody Toolbox* Made Of Aluminum* Smooth Finish* Lightweight Yet Durable Construction* Includes:  - Single...
    09-0201157
    SKU:
    09-0201157
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $919.99
    Qty in Cart: 0
    Price:
    $919.99
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  • FREE SHIPPING
    C Series Direct Mount Hydraulic Pump W/ Left Rotation & 13 Spline

    C Series Direct Mount Hydraulic Pump W/ Left Rotation & 13 Spline

    AFTERMARKET

    $723.99
    Direct Mount C Series Hydraulic Pump 49 GPM & 3000 PSI* High Quality Hydraulic Pump* Left Hand Rotation* Gear Pump With Air Shift* 49 GPM At 1800 RPM* 13 Input Spline* 3000 Max RPM* 2500 Max Working...
    09-02500272
    SKU:
    09-02500272
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $723.99
    Qty in Cart: 0
    Price:
    $723.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Purge Valve Kit W/ WABCO Type Design Replaces 0587-950014P, 170.950014

    Purge Valve Kit W/ WABCO Type Design Replaces 0587-950014P, 170.950014

    AFTERMARKET

    $9.99
    Purge Valve Kit W/ O-Rings, Washer, Shims & Spring* High Quality Purge Valve Kit* WABCO Type Design* Compatible With SS1200/1800, SS1200 Plus Type Air Dryers (Not Included)* Includes:  - O-Rings  -...
    09-05170463
    SKU:
    09-05170463
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $9.99
    Qty in Cart: 0
    Price:
    $9.99
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  • 3/4 X 1 1/2 Inch Push On Pointed Nut Covers Chrome Plastic 100 Pack

    3/4 X 1 1/2 Inch Push On Pointed Nut Covers Chrome Plastic 100 Pack

    UNITED PACIFIC

    $62.99
    100 Pack Chrome Plastic Push On Pointed Nut Covers* High Quality Nut Cover* Made Of Injection Molded Plastic* Triple Chrome Plated Finish* Pointed Design* With Flange* Dimensions:  - 1.50 Inch...
    09-05060105
    SKU:
    09-05060105
    Product Type:
    Wheels
    Make:
    Universal Items
    $62.99
    Qty in Cart: 0
    Price:
    $62.99
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  • Smooth Aluminum Underbody Toolbox W/ Single Swing Door 24 X 24 X 24 Inch

    Smooth Aluminum Underbody Toolbox W/ Single Swing Door 24 X 24 X 24 Inch

    TPHD

    $659.99
    24 X 24 X 24 Inch Smooth Aluminum Underbody Toolbox W/ Single Swing Door* High Quality Underbody Toolbox* Made Of Aluminum* Smooth Finish* Lightweight Yet Durable Construction* Includes:  - Single...
    09-0201154
    SKU:
    09-0201154
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $659.99
    Qty in Cart: 0
    Price:
    $659.99
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  • Smooth Aluminum Underbody Toolbox W/ Single Swing Door 36 X 24 X 24 Inch

    Smooth Aluminum Underbody Toolbox W/ Single Swing Door 36 X 24 X 24 Inch

    TPHD

    $799.99
    36 X 24 X 24 Inch Smooth Aluminum Underbody Toolbox W/ Single Swing Door* High Quality Underbody Toolbox* Made Of Aluminum* Smooth Finish* Lightweight Yet Durable Construction* Includes:  - Single...
    09-0201155
    SKU:
    09-0201155
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $799.99
    Qty in Cart: 0
    Price:
    $799.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 5 Round 4 Inch Red LEDs, Clear Lens & Round Corners

    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 5 Round 4 Inch Red LEDs, Clear Lens & Round Corners

    TRUX ACCESSORIES

    $979.99
    Rear Center Panel 33.625 X 20 X 3.24 Inch Stainless Steel W/ 5 Round 4 Inch Red LEDs, Clear Lens & Round CornersEnhance your truck's rear lighting setup with theStainless Steel Rear Center Panel 33...
    09-01110124
    SKU:
    09-01110124
    Product Type:
    Bumpers
    Make:
    Universal Items
    $979.99
    Qty in Cart: 0
    Price:
    $979.99
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  • Chrome Angled Welded 24 Inch Bottom Mud Flap Weight

    Chrome Angled Welded 24 Inch Bottom Mud Flap Weight

    TRUX ACCESSORIES

    $28.71
    24 Inch Angled Chrome Welded Bottom Mud Flap WeightAdd a polished custom touch to your truck with theChrome Angled Welded 24 Inch Bottom Mud Flap Weight. Featuring durablechrome plated steel build,...
    09-05070188
    SKU:
    09-05070188
    Product Type:
    Mud Flaps
    Make:
    Universal Items
    $28.71
    Qty in Cart: 0
    Price:
    $28.71
    Subtotal:
  • Smooth Aluminum Underbody Toolbox W/ Single Swing Door 48 X 24 X 24 Inch

    Smooth Aluminum Underbody Toolbox W/ Single Swing Door 48 X 24 X 24 Inch

    TPHD

    $869.99
    48 X 24 X 24 Inch Smooth Aluminum Underbody Toolbox W/ Single Swing Door* High Quality Underbody Toolbox* Made Of Aluminum* Smooth Finish* Lightweight Yet Durable Construction* Includes:  - Single...
    09-0201156
    SKU:
    09-0201156
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $869.99
    Qty in Cart: 0
    Price:
    $869.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Rear Center Panel W/ 4 Round 4 Inch & 6 Round 2 Inch LEDs

    Stainless Steel Rear Center Panel W/ 4 Round 4 Inch & 6 Round 2 Inch LEDs

    TRUX ACCESSORIES

    $430.99
    Rear Center Panel Stainless Steel W/ 4 Round 4 Inch & 6 Round 2 Inch LEDsGive your truck's rear end a bold, polished upgrade with the33.625-Inch Stainless Steel Rear Center Panel with 5 Round 4 Inch...
    09-01110121
    SKU:
    09-01110121
    Product Type:
    Bumpers
    Make:
    Universal Items
    $430.99
    Qty in Cart: 0
    Price:
    $430.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 4 Round 4 Inch Light Holes & Rounded Corners

    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 4 Round 4 Inch Light Holes & Rounded Corners

    TRUX ACCESSORIES

    $647.99
    Rear Center Panel 33.625 X 20 X 3.24 Inch Stainless Steel W/ 4 Round 4 Inch Light Holes & Rounded CornersComplete your truck's rear lighting setup with theStainless Steel Rear Center Panel with 5...
    09-01110120
    SKU:
    09-01110120
    Product Type:
    Bumpers
    Make:
    Universal Items
    $647.99
    Qty in Cart: 0
    Price:
    $647.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 3 Star Burst Watermelon Red/White LEDs 2 Star Burst Watermelon Red & 6 Round 3/4 Inch Red LEDs

    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 3 Star Burst Watermelon Red/White LEDs 2 Star Burst Watermelon Red & 6 Round 3/4 Inch Red LEDs

    TRUX ACCESSORIES

    $1,268.99
    Rear Center Panel 33.625 X 20 X 3.24 Inch Stainless Steel W/ 3 Star Burst Watermelon Red/White LEDs 2 Star Burst Watermelon Red & 6 Round 3/4 Inch Red LEDsCreate a standout rear lighting setup with...
    09-011100163
    SKU:
    09-011100163
    Product Type:
    Bumpers
    Make:
    Universal Items
    $1,268.99
    Qty in Cart: 0
    Price:
    $1,268.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Mud Flap Hanger 30 X 7.25 Inch W/ 3.75 Inch Bolt Spacing, 1 Round 4 Inch Red LED, 2 Round 4 Inch Red/White LEDs & Clear Lens

    Stainless Steel Mud Flap Hanger 30 X 7.25 Inch W/ 3.75 Inch Bolt Spacing, 1 Round 4 Inch Red LED, 2 Round 4 Inch Red/White LEDs & Clear Lens

    TRUX ACCESSORIES

    $542.99
    Mud Flap Hanger 30 X 7.25 Inch Stainless Steel W/ 3.75 Inch Bolt Spacing, 1 Round 4 Inch Red LED, 2 Round 4 Inch Red/White LEDs & Clear LensEnhance your truck's rear-end appearance and lighting...
    09-011200069
    SKU:
    09-011200069
    Product Type:
    Mud Flaps
    Make:
    Universal Items
    $542.99
    Qty in Cart: 0
    Price:
    $542.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Rear Center Panel W/ 12 Inch Drop, 4 Star Burst Watermelon Red LEDs & Red Lens

    Stainless Steel Rear Center Panel W/ 12 Inch Drop, 4 Star Burst Watermelon Red LEDs & Red Lens

    TRUX ACCESSORIES

    $437.99
    Rear Center Panel Stainless Steel W/ 12 Inch Drop, 4 Star Burst Watermelon Red LEDs & Red LensEnhance your truck's rear lighting and appearance with theStainless Steel Rear Center Panel with 4 Star...
    09-011100164
    SKU:
    09-011100164
    Product Type:
    Bumpers
    Make:
    Universal Items
    $437.99
    Qty in Cart: 0
    Price:
    $437.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 5 Round 4 Inch Red LEDs, Clear Lens & Rounded Corners

    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 5 Round 4 Inch Red LEDs, Clear Lens & Rounded Corners

    TRUX ACCESSORIES

    $979.99
    Rear Center Panel 33.625 X 20 X 3.24 Inch Stainless Steel W/ 5 Round 4 Inch Red LEDs, Clear Lens & Rounded CornersGive your truck a bold, polished rear end upgrade with theStainless Steel Rear Center...
    09-01110122
    SKU:
    09-01110122
    Product Type:
    Bumpers
    Make:
    Universal Items
    $979.99
    Qty in Cart: 0
    Price:
    $979.99
    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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