null

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.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • NOX Sensor W/ Sensor Thread & Interface Module Replaces 2894945, 5293295RX & 2872297 For Cummins ISB

    NOX Sensor W/ Sensor Thread & Interface Module Replaces 2894945, 5293295RX & 2872297 For Cummins ISB

    AFTERMARKET

    $340.99
    NOX Sensor W/ Interface Module & Sensor Thread Fits Cummins ISB Replaces 2894945, 5293295RX & 2872297* High Quality NOX Sensor* Includes:  - Sensor Body  - Make-Specific Connector  - Interface...
    29-08060033
    SKU:
    29-08060033
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Make:
    Universal Items
    $340.99
    Qty in Cart: 0
    Price:
    $340.99
    Subtotal:
  • Roadworks 94 X 4 Inch Stainless Steel Full Bumper Bar W/ 14 Round 2 Inch Amber Beehive LEDs & Amber Lens

    Roadworks 94 X 4 Inch Stainless Steel Full Bumper Bar W/ 14 Round 2 Inch Amber Beehive LEDs & Amber Lens

    ROADWORKS

    $375.99
    94 X 4 Inch Stainless Steel Full Bumper Bar W/ 14 Round 2 Inch Amber Beehive LEDs & Amber Lens By Roadworks* High Quality Full Bumper Bar* Made Of 430 Stainless Steel* Tabbed Top Lip On Ends*...
    09-010600195
    SKU:
    09-010600195
    Height Options:
    4 Inch
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Length Options:
    94 Inch
    Product Type:
    Bumpers
    Light Options:
    Without Lights
    Make:
    Universal Items
    $375.99
    Qty in Cart: 0
    Price:
    $375.99
    Subtotal:
  • Roadworks Stainless Steel Air Breather Light Panel Rear Facing W/ 7 Bulls Eye Light Holes For Kenworth W/ 15 Inch Donaldson Air Breather

    Roadworks Stainless Steel Air Breather Light Panel Rear Facing W/ 7 Bulls Eye Light Holes For Kenworth W/ 15 Inch Donaldson Air Breather

    ROADWORKS

    $138.99
    Rear Facing Stainless Steel Air Breather Light Panel W/ 7 Bulls Eye Light Holes By Roadworks Fits Kenworth W/ 15 Inch Donaldson Air Breather* High Quality Air Breather Light Panel* Made Of 304...
    02-090500416
    SKU:
    02-090500416
    Product Type:
    Exterior
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Kenworth
    $138.99
    Qty in Cart: 0
    Price:
    $138.99
    Subtotal:
  • Roadworks 304 Stainless Steel 11.8 Gallon DEF Tank Covers For Kenworth 2012 & Newer

    Roadworks 304 Stainless Steel 11.8 Gallon DEF Tank Covers For Kenworth 2012 & Newer

    ROADWORKS

    $648.99
    304 Stainless Steel 11.8 Gallon DEF Tank Covers By Roadworks* High Quality DEF Tank Cover* Made Of 304 Stainless Steel* Polished Finish* Small (11.8 Gallon) Size* Will Not Fit Peterbilt Models Older...
    02-0607001
    SKU:
    02-0607001
    Product Type:
    Fuel Tanks
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Finish Options:
    Polished
    Make:
    Kenworth
    $648.99
    Qty in Cart: 0
    Price:
    $648.99
    Subtotal:
  • 13/16 X 1 3/8 Inch Chrome Bullet Push On Lug Nut Covers - Pack Of 10

    13/16 X 1 3/8 Inch Chrome Bullet Push On Lug Nut Covers - Pack Of 10

    GRAND GENERAL

    $16.20
    Chrome Bullet Push On Lug Nut Covers* High Quality Nut Cover* Made Of Chrome-Plated Plastic* Bullet Style* Dimensions:  - 1-3/8 Inch Length  - 13/16 Inch A/F* Push-On* Sold As Pack (10)* Warranty On...
    09-20060015
    SKU:
    09-20060015
    Style Options:
    Push On
    Product Type:
    Wheels
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    Shape Options:
    Bullet
    Length Options:
    1 1/4 Inch
    $16.20
    Qty in Cart: 0
    Price:
    $16.20
    Subtotal:
  • 33mm x 4.25 Inch Chrome Cylinder Push On Lug Nut Cover

    33mm x 4.25 Inch Chrome Cylinder Push On Lug Nut Cover

    GRAND GENERAL

    $37.46
    Chrome Plastic Push On 33MM Flat Top Cylinder Lug Nut Cover* High Quality Nut Cover* Made Of Chrome-Plated Plastic* Cylinder Style* Dimensions:  - 4.25 Inch Length  - 33 MM Diameter* Push-On* Sold As...
    09-20050157
    SKU:
    09-20050157
    Length Options:
    4 1/4 Inch
    Shape Options:
    Cylindrical
    Finish Options:
    Chrome-Plated
    Style Options:
    Push On
    Make:
    Universal Items
    Product Type:
    Wheels
    $37.46
    Qty in Cart: 0
    Price:
    $37.46
    Subtotal:
  • 33mm x 4.5 Inch Chrome Spear Push On Lug Nut Cover

    33mm x 4.5 Inch Chrome Spear Push On Lug Nut Cover

    GRAND GENERAL

    $35.29
    Spear Chrome Plastic 33mm Lug Nut Cover* High Quality Nut Cover* Made Of Chrome-Plated Plastic* Spear Style* Dimensions:  - 4.5 Inch Length  - 33 MM Diameter* Push-On* Sold As Pack (10)* Warranty On...
    09-20050156
    SKU:
    09-20050156
    Finish Options:
    Chrome-Plated
    Product Type:
    Wheels
    Style Options:
    Push On
    Make:
    Universal Items
    Length Options:
    4 1/2 Inch
    Shape Options:
    Spherical
    $35.29
    Qty in Cart: 0
    Price:
    $35.29
    Subtotal:
  • 33mm x 5 Inch Chrome Hex Flat Top Screw On Lug Nut Cover - Pack Of 10

    33mm x 5 Inch Chrome Hex Flat Top Screw On Lug Nut Cover - Pack Of 10

    GRAND GENERAL

    $39.61
    33mm Chrome Hex Flat Top Lug Nut Cover - Screw On* High Quality Nut Cover* Made Of Chrome-Plated Plastic* Flat Top Hex Style* Dimensions:  - 5 Inch Length  - 33 MM A/F* Screw-On* Sold As Pack (10)*...
    09-20050152
    SKU:
    09-20050152
    Length Options:
    5 Inch
    Shape Options:
    Hexagon
    Product Type:
    Wheels
    Finish Options:
    Chrome-Plated
    Style Options:
    Thread On
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $39.61
    Qty in Cart: 0
    Price:
    $39.61
    Subtotal:
  • 33mm x 5 Inch Chrome Hex Flat Top Push On Lug Nut Cover - Pack Of 10

    33mm x 5 Inch Chrome Hex Flat Top Push On Lug Nut Cover - Pack Of 10

    GRAND GENERAL

    $39.61
    33mm Chrome Hex Flat Top Lug Nut Cover - Push On* High Quality Nut Cover* Made Of Chrome-Plated Plastic* Flat Top Hex Style* Dimensions:  - 5 Inch Length  - 33 MM A/F* Push-On* Sold As Pack (10)*...
    09-20050151
    SKU:
    09-20050151
    Finish Options:
    Chrome-Plated
    Product Type:
    Wheels
    Style Options:
    Push On
    Make:
    Universal Items
    Shape Options:
    Hexagon
    Length Options:
    5 Inch
    Ready To Ship:
    Yes
    $39.61
    Qty in Cart: 0
    Price:
    $39.61
    Subtotal:
  • 33mm x 3-1/2 Inch Chrome Gear Screw On Lug Nut Cover - Pack Of 10

    33mm x 3-1/2 Inch Chrome Gear Screw On Lug Nut Cover - Pack Of 10

    GRAND GENERAL

    $39.61
    33mm Chrome Plastic Gear Nut Covers - Screw OnThis Chrome plastic gear-style screw-on nut cover is a premium accessory designed for trucks and trailers, featuring a stylish chrome finish and easy...
    09-20050150
    SKU:
    09-20050150
    Finish Options:
    Chrome-Plated
    Product Type:
    Wheels
    Style Options:
    Thread On
    Make:
    Universal Items
    Length Options:
    3 1/2 Inch
    $39.61
    Qty in Cart: 0
    Price:
    $39.61
    Subtotal:
  • Roadworks 13 Inch Blind Mount Stainless Steel Drop Visor W/ Light Hole Options For Kenworth W/ Curved Windshields

    Roadworks 13 Inch Blind Mount Stainless Steel Drop Visor W/ Light Hole Options For Kenworth W/ Curved Windshields

    ROADWORKS

    $489.99 - $509.99
    Choose Option(s) to see description.Fitment* Fits Kenworth Cabover 1961 thru 2002* Fits Kenworth K100 1963 thru 1967* Fits Kenworth K100C 1968 thru 1983* Fits Kenworth K100E 1984 thru 2002* Fits...
    PPR_301333
    SKU:
    PPR_301333
    Product Type:
    Exterior
    $489.99 - $509.99
    Qty in Cart: 0
    Price:
    $489.99 - $509.99
    Subtotal:
  • Roadworks 10 Inch Stianless Steel Drop Visor W/ Light Options For Kenworth W/ Curved Windshields

    Roadworks 10 Inch Stianless Steel Drop Visor W/ Light Options For Kenworth W/ Curved Windshields

    ROADWORKS

    $433.99 - $441.99
    Choose Option(s) to see description.Fitment* Fits Kenworth Cabover 1961 thru 2002* Fits Kenworth K100 1963 thru 1967* Fits Kenworth K100C 1968 thru 1983* Fits Kenworth K100E 1984 thru 2002* Fits...
    PPR_301329
    SKU:
    PPR_301329
    Product Type:
    Exterior
    $433.99 - $441.99
    Qty in Cart: 0
    Price:
    $433.99 - $441.99
    Subtotal:
  • Roadworks 10 Inch Blind Mount Stainless Steel Drop Visor W/ Light Hole Options For Kenworth W/ Curved Windshield

    Roadworks 10 Inch Blind Mount Stainless Steel Drop Visor W/ Light Hole Options For Kenworth W/ Curved Windshield

    ROADWORKS

    $475.99 - $487.99
    Choose Option(s) to see description.Fitment* Fits Kenworth Cabover 1961 thru 2002* Fits Kenworth K100 1963 thru 1967* Fits Kenworth K100C 1968 thru 1983* Fits Kenworth K100E 1984 thru 2002* Fits...
    PPR_301332
    SKU:
    PPR_301332
    Product Type:
    Exterior
    $475.99 - $487.99
    Qty in Cart: 0
    Price:
    $475.99 - $487.99
    Subtotal:
  • Roadworks 10 Inch Stainless Steel Blind Mount Drop Visor W/ Light Hole Options For Kenworth W/ Curved Windshield

    Roadworks 10 Inch Stainless Steel Blind Mount Drop Visor W/ Light Hole Options For Kenworth W/ Curved Windshield

    ROADWORKS

    $438.99 - $487.99
    Choose Option(s) to see description.Fitment* Fits Kenworth Cabover 1961 thru 2002* Fits Kenworth K100 1963 thru 1967* Fits Kenworth K100C 1968 thru 1983* Fits Kenworth K100E 1984 thru 2002* Fits...
    PPR_301331
    SKU:
    PPR_301331
    Product Type:
    Exterior
    $438.99 - $487.99
    Qty in Cart: 0
    Price:
    $438.99 - $487.99
    Subtotal:
  • Roadworks 13 Inch Stainless Steel Blind Mount Drop Visor W/ Light Hole Options For Kenworth W/ Curved Windshield

    Roadworks 13 Inch Stainless Steel Blind Mount Drop Visor W/ Light Hole Options For Kenworth W/ Curved Windshield

    ROADWORKS

    $456.99 - $500.99
    Choose Option(s) to see description.Fitment* Fits Kenworth Cabover 1961 thru 2002* Fits Kenworth K100 1963 thru 1967* Fits Kenworth K100C 1968 thru 1983* Fits Kenworth K100E 1984 thru 2002* Fits...
    PPR_301330
    SKU:
    PPR_301330
    Product Type:
    Exterior
    $456.99 - $500.99
    Qty in Cart: 0
    Price:
    $456.99 - $500.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    LC 96 Inch Chrome Mitered Exhaust Top Stack W/ 8 Inch ID

    LC 96 Inch Chrome Mitered Exhaust Top Stack W/ 8 Inch ID

    LINCOLN CHROME

    Now: $290.61
    Was: $873.99
    Chrome Mitered Exhaust Top Stack 96 Inch W/ 8 Inch ID By Lincoln Chrome* High Quality Exhaust Top Stack* Made Of Chrome Plated Carbon Steel* Mitered Style* Slides Over Elbow (Elbow Not Included)*...
    09-08010786
    SKU:
    09-08010786
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    Height Options:
    96 Inch
    Finish Options:
    Chrome-Plated
    Material Options:
    Carbon Steel
    Style Options:
    Miter Cut
    Diameter Options:
    8 Inch
    Location:
    Made In USA
    Make:
    Universal Items
    Now: $290.61
    Was: $873.99
    Qty in Cart: 0
    Price:
    Now: $290.61
    Was: $873.99
    Subtotal:
  • Total: items /

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).


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!