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
  • Seat Inc. Duraleather Under Adjust Armrest Kit - Left or Right, Seat Not Included

    Seat Inc. Duraleather Under Adjust Armrest Kit - Left or Right, Seat Not Included

    SEATS INC

    $83.99 - $86.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksSeat Inc. Black Duraleather Pinnacle Under Adjust Arm- Left or RightPinnacle Left or Right Under Adjust...
    PPR_300625
    SKU:
    PPR_300625
    Color:
    Black
    Color:
    Brown
    Product Type:
    Seats
    Material Options:
    DuraLeather
    Position:
    Kit Full
    Make:
    Universal Items
    $83.99 - $86.99
    Qty in Cart: 0
    Price:
    $83.99 - $86.99
    Subtotal:
  • Roadworks 1.5 Inch Stainless Steel Sleeper Panel For Kenworth T660

    Roadworks 1.5 Inch Stainless Steel Sleeper Panel For Kenworth T660

    ROADWORKS

    $143.99 - $331.99
    Choose Option(s) to see description.Fitment* Fits Kenworth T660 2008 thru 20171.5 Inch Blank Stainless Steel Sleeper Panel W/ Extension For Kenworth T660 W/ 38 Inch Aero Sleeper1.5 X 38 Inch Blank...
    PPR_300618
    SKU:
    PPR_300618
    Height Options:
    1 1/2 Inch
    Length Options:
    72 Inch
    Length Options:
    86 Inch
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Length Options:
    38 Inch
    Light Options:
    Without Lights
    Length Options:
    62 Inch
    Style Options:
    Aero Style
    Location:
    Made In USA
    Type Options:
    With Extensions
    Make:
    Kenworth
    $143.99 - $331.99
    Qty in Cart: 0
    Price:
    $143.99 - $331.99
    Subtotal:
  • Replacement Moose Bumper Guard Quick Latch

    Replacement Moose Bumper Guard Quick Latch

    MAGNUM

    $50.99 - $150.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksReplacement Striker Plates For Moose Bumper Guard Quick LatchMoose Bumper Guard Quick Latch Replacement...
    PPR_300627
    SKU:
    PPR_300627
    Product Type:
    Bumpers
    Make:
    Universal Items
    $50.99 - $150.99
    Qty in Cart: 0
    Price:
    $50.99 - $150.99
    Subtotal:
  • Roadworks 1.5 Inch Stainless Steel Sleeper Panel For Kenworth W/ Dual Stacks

    Roadworks 1.5 Inch Stainless Steel Sleeper Panel For Kenworth W/ Dual Stacks

    ROADWORKS

    $178.99 - $813.99
    Choose Option(s) to see description.Fitment* Fits Kenworth T660 2011 thru 2017* Fits Kenworth T680 2013 thru 2021* Fits Kenworth T700 2011 thru 2014* Fits Kenworth T800 2011 thru 2026* Fits Kenworth...
    PPR_300615
    SKU:
    PPR_300615
    Length Options:
    38 Inch
    Light Options:
    Without Lights
    Length Options:
    62 Inch
    Style Options:
    Aero Style
    Color:
    Amber
    Location:
    Made In USA
    Length Options:
    86 Inch
    Type Options:
    With Extensions
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Height Options:
    1 1/2 Inch
    Light Options:
    With Lights
    Make:
    Kenworth
    $178.99 - $813.99
    Qty in Cart: 0
    Price:
    $178.99 - $813.99
    Subtotal:
  • Seat Inc. Black & Burgundy High Back Seat Cover For Legacy Silver Seat

    Seat Inc. Black & Burgundy High Back Seat Cover For Legacy Silver Seat

    SEATS INC

    $346.99
    High Back Seat Cover For Legacy Silver Seat- Black & Burgundy By Seat Inc.* High Quality Seat Cover* Made Of Duraleather* For Legacy Silver High Back Seats* Seat Cover Only (Seat Not Included)* Black...
    310146MN1164
    SKU:
    310146MN1164
    Material Options:
    DuraLeather
    Product Type:
    Seats
    Make:
    Universal Items
    $346.99
    Qty in Cart: 0
    Price:
    $346.99
    Subtotal:
  • Replacement Anti- Rattle Urethane Inserts For Moose Bumper Guard

    Replacement Anti- Rattle Urethane Inserts For Moose Bumper Guard

    MAGNUM

    $49.96
    Moose Bumper Guard Anti- Rattle Urethane Replacement Inserts* High Quality Replacement Anti Rattle Insert* For Magnum Moose Guard Quick Latch* Inserts Only (Quick Latch Not Included)* Sold...
    29-0113023
    SKU:
    29-0113023
    Product Type:
    Bumpers
    Make:
    Universal Items
    $49.96
    Qty in Cart: 0
    Price:
    $49.96
    Subtotal:
  • Seat Inc. Black Duraleather Arm Rest Kit For Legacy Lo High Back Seat

    Seat Inc. Black Duraleather Arm Rest Kit For Legacy Lo High Back Seat

    SEATS INC

    $345.99
    Legacy Lo High Back Arm Rest Kit- Black Duraleather By Seat Inc.* High Quality Armrest Kit* Made Of Duraleather* Includes:? - (1) Left Hand Armrest? - (1) Right Hand Armrest* Black* Sold As Pair*...
    181969MN61
    SKU:
    181969MN61
    Product Type:
    Seats
    Make:
    Universal Items
    $345.99
    Qty in Cart: 0
    Price:
    $345.99
    Subtotal:
  • Seat Inc. Black & Gray Duraleather Pinnacle Seat W/ Heat & Massage

    Seat Inc. Black & Gray Duraleather Pinnacle Seat W/ Heat & Massage

    SEATS INC

    $2,645.99
    Pinnacle Seat W/ Heat & Massage- Black & Gray Duraleather By Seat Inc.* High Quality Seat* Made Of Duraleather* Pinnacle Style Seat* Design Features:  - EVC Cushion Comfort System  - D2 Foam...
    187300MWO665
    SKU:
    187300MWO665
    Product Type:
    Seats
    Make:
    Universal Items
    $2,645.99
    Qty in Cart: 0
    Price:
    $2,645.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    CSM End Plate Reinforcement- 24 x 24 Inch For CSM Heavy Duty Aluminum Toolboxes

    CSM End Plate Reinforcement- 24 x 24 Inch For CSM Heavy Duty Aluminum Toolboxes

    CHROME SHOP MAFIA

    Now: $168.34
    Was: $244.99
    24 X 24 Inch End Plate Reinforcement By Chrome Shop MafiaEnhance the strength and durability of your CSM Heavy Duty Aluminum Toolbox with the CSM End Plate Reinforcement - 24 x 24 Inch. Constructed...
    09-0201242401
    SKU:
    09-0201242401
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $168.34
    Was: $244.99
    Qty in Cart: 0
    Price:
    Now: $168.34
    Was: $244.99
    Subtotal:
  • License Plate Kit W/ Magnum Logo For Modular Bumper Guard

    License Plate Kit W/ Magnum Logo For Modular Bumper Guard

    MAGNUM

    $38.98
    Modular Bumper Guard License Plate Kit W/ Magnum LogoImprove your modular bumper guard setup with this high-quality License Plate Kit. Made from durable stainless steel, it offers adjustable height...
    09-01070063
    SKU:
    09-01070063
    Product Type:
    Bumpers
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $38.98
    Qty in Cart: 0
    Price:
    $38.98
    Subtotal:
  • Drop- In Center Pipe Bumper Guard Pipe For Modular Bumper Guard

    Drop- In Center Pipe Bumper Guard Pipe For Modular Bumper Guard

    MAGNUM

    $115.99
    Modular Bumper Guard Drop In Center PipeStrengthen your truck's modular bumper guard with this premium Drop-In Center Pipe. Engineered for non-radar trucks and designed for Magnum Moose Guards, it...
    09-011400013
    SKU:
    09-011400013
    Material Options:
    Stainless Steel
    Product Type:
    Bumpers
    Make:
    Universal Items
    $115.99
    Qty in Cart: 0
    Price:
    $115.99
    Subtotal:
  • Red & Chrome Kenworth Original Style Emblem

    Red & Chrome Kenworth Original Style Emblem

    DELPANN

    $274.99
    Original Style Kenworth Emblem- Red & ChromeRestore your Kenworth's signature style with the Red & Chrome Original Style Emblem, constructed from high-grade aluminum and finished in industrial hard...
    02-12300056
    SKU:
    02-12300056
    Product Type:
    Hood Parts & Acc.
    Material Options:
    Aluminum
    Color:
    Red
    Make:
    Kenworth
    Ready To Ship:
    Yes
    $274.99
    Qty in Cart: 0
    Price:
    $274.99
    Subtotal:
  • 22.5 Inch Gray Wheel Insert For Kenworth

    22.5 Inch Gray Wheel Insert For Kenworth

    CAB FRESH FILTER CO.

    $31.51
    Gray Wheel Insert For 22.5 Inch WheelsImprove the look of your Kenworth wheels with the 22.5-Inch Gray Wheel Insert, made from high-quality plastic. Paintable and designed to fit both front and rear...
    02-200502
    SKU:
    02-200502
    Finish Options:
    Paintable
    Color:
    Gray
    Material Options:
    Plastic/Poly
    Product Type:
    Wheels
    Make:
    Kenworth
    $31.51
    Qty in Cart: 0
    Price:
    $31.51
    Subtotal:
  • 1.5 Inch SS Sleeper Panel W/ Out Extension & W/ 16 Bullseye LED Lights- Amber LED/ Clear Lens For Kenworth T660 W/ 62 Inch Aero Sleeper

    1.5 Inch SS Sleeper Panel W/ Out Extension & W/ 16 Bullseye LED Lights- Amber LED/ Clear Lens For Kenworth T660 W/ 62 Inch Aero Sleeper

    ROADWORKS

    $490.99
    1.5 X 62 Inch SS Sleeper Panel W/ Out Extension & W/ 16 Bullseye Amber- Clear LED Lights By RoadworksAdd lasting style to your Kenworth T660 with the 1.5-Inch Stainless Steel Sleeper Panel without...
    02-1012404
    SKU:
    02-1012404
    Material Options:
    Stainless Steel
    Length Options:
    62 Inch
    Height Options:
    1 1/2 Inch
    Product Type:
    Exterior
    Light Options:
    With Lights
    Color:
    Amber/Clear
    Location:
    Made In USA
    Make:
    Kenworth
    $490.99
    Qty in Cart: 0
    Price:
    $490.99
    Subtotal:
  • Stainless Steel Rear Center Light Panel W/ KW Logo Holes, 7 Rnd 2 Inch & 4 Rnd 4 Inch Light Holes For Kenworth

    Stainless Steel Rear Center Light Panel W/ KW Logo Holes, 7 Rnd 2 Inch & 4 Rnd 4 Inch Light Holes For Kenworth

    ROADWORKS

    $137.99
    SS Rear Center Light Panel With KW Logo Holes, 7 Rnd 2 Inch & 4 Rnd 4 Inch Light Holes By RoadworksGive your Kenworth a standout look with this stainless steel rear light panel. Featuring multiple...
    02-01110122
    SKU:
    02-01110122
    Height Options:
    14 Inch
    Product Type:
    Bumpers
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Position:
    Rear
    Make:
    Universal Items
    $137.99
    Qty in Cart: 0
    Price:
    $137.99
    Subtotal:
  • Roadworks 304 Stainless Steel Rear Cross Member Cover For Kenworth T600, T660, T800 & W900L/B

    Roadworks 304 Stainless Steel Rear Cross Member Cover For Kenworth T600, T660, T800 & W900L/B

    ROADWORKS

    $111.99
    304 SS Rear Cross Member Cover By Roadworks Fits Kenworth* High Quality Rear Cross Member Cover* Made Of 304 Stainless Steel* Sold Individually* Warranty On Rear Cross Member Covers Against Defects...
    02-0516001
    SKU:
    02-0516001
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    Position:
    Rear
    Make:
    Kenworth
    $111.99
    Qty in Cart: 0
    Price:
    $111.99
    Subtotal:
  • Paintable Gray Plastic Wheel Inserts For Peterbilt 357 W/ 22.5 inch Wheels

    Paintable Gray Plastic Wheel Inserts For Peterbilt 357 W/ 22.5 inch Wheels

    CAB FRESH FILTER CO.

    $32.87
    Gray Plastic Wheel Inserts For 22.5 inch WheelsRefresh your Peterbilt 357's wheels with these Paintable Gray Plastic Inserts, compatible with 22.5- and 24.5-inch wheels. High-quality plastic...
    01-200502
    SKU:
    01-200502
    Finish Options:
    Paintable
    Material Options:
    Plastic/Poly
    Color:
    Gray
    Truck Class:
    Heavy Duty
    Product Type:
    Wheels
    Make:
    Peterbilt
    Make:
    Universal Items
    $32.87
    Qty in Cart: 0
    Price:
    $32.87
    Subtotal:
  • 4.3 Inch Round 19 Diode Red LED Stop, Tail, Turn Light W/ Reflectors

    4.3 Inch Round 19 Diode Red LED Stop, Tail, Turn Light W/ Reflectors

    TRUX ACCESSORIES

    $36.74
    Red Reflector Stop, Tail & Turn LightThis 4 inch round red standard LED stop, turn, and tail light resembles Trux dual Revolution LEDs for a uniformed look. It features 19 Diodes with a damage...
    09-1601060228
    SKU:
    09-1601060228
    Material Options:
    Plastic/Poly
    Color:
    Red
    Truck Class:
    Universal
    Shape Options:
    Round
    Diameter Options:
    4 Inch
    Make:
    Universal Items
    Product Type:
    Lighting
    $36.74
    Qty in Cart: 0
    Price:
    $36.74
    Subtotal:
  • Black Genuine High Back Leather Air Seat With Standard Base & Dual Arm Rest, By Vendetta

    Black Genuine High Back Leather Air Seat With Standard Base & Dual Arm Rest, By Vendetta

    VENDETTA

    $1,721.99 - $1,939.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBlack Genuine High Back Leather Air Seat With Standard Base & Dual Arm Rest, By VendettaVendetta...
    PPR_300613
    SKU:
    PPR_300613
    Style Options:
    High Back
    Color:
    Black
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Material Options:
    Leather
    Type Options:
    Standard Base
    Product Type:
    Seats
    Ready To Ship:
    Yes
    $1,721.99 - $1,939.99
    Qty in Cart: 0
    Price:
    $1,721.99 - $1,939.99
    Subtotal:
  • Watermelon Style LED Hero Light W/ Chrome Bezel

    Watermelon Style LED Hero Light W/ Chrome Bezel

    ROADWORKS

    $39.89 - $46.90
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksWatermelon Style Amber/Amber LED Hero Light W/ Chrome BezelWatermelon Style Amber & Amber LED Hero...
    PPR_300599
    SKU:
    PPR_300599
    Color:
    Red/Clear
    Color:
    Amber
    Location:
    Made In USA
    Color:
    Various
    Color:
    Amber/Clear
    Style Options:
    Watermelon
    Truck Class:
    Universal
    Material Options:
    Stainless Steel
    Diameter Options:
    3 1/2 Inch
    Product Type:
    Lighting
    Color:
    Red
    Finish Options:
    Polished
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $39.89 - $46.90
    Qty in Cart: 0
    Price:
    $39.89 - $46.90
    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!