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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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  • Bawer Adjustable Cradle Style Tool Box W/ Material Options

    Bawer Adjustable Cradle Style Tool Box W/ Material Options

    BAWER TOOL BOXES

    $298.99 - $541.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBawer Black Steel Adjustable Cradle Style Tool Box BracketsBlack Steel Adustable Cradle Style Mounting...
    PPR_301386
    SKU:
    PPR_301386
    Material Options:
    Steel
    Finish Options:
    Black Powder Coat
    Height Options:
    29 Inch
    Position:
    Kit Full
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Length Options:
    64 Inch
    Product Type:
    Toolboxes
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $298.99 - $541.99
    Qty in Cart: 0
    Price:
    $298.99 - $541.99
    Subtotal:
  • Roadworks 3.5 Inch Stainless Steel Sleeper Panel W/ Extension & Light Options For Kenworth T2000, T660, T800 & W900L/B

    Roadworks 3.5 Inch Stainless Steel Sleeper Panel W/ Extension & Light Options For Kenworth T2000, T660, T800 & W900L/B

    ROADWORKS

    $350.99 - $371.99
    Choose Option(s) to see description.Fitment* Fits Kenworth T2000 2008 thru 2010* Fits Kenworth T660 2008 thru 2010* Fits Kenworth T800 2008 thru 2010* Fits Kenworth T800 Curved Glass 1993 thru 2010*...
    PPR_301340
    SKU:
    PPR_301340
    Light Options:
    Without Lights
    Type Options:
    With Extensions
    Finish Options:
    Polished
    Length Options:
    86 Inch
    Location:
    Made In USA
    Height Options:
    3 1/2 Inch
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Make:
    Kenworth
    $350.99 - $371.99
    Qty in Cart: 0
    Price:
    $350.99 - $371.99
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  • Rockwood Billet Aluminum Straight Line Threshold Plate W/ Engraved Rockwood Diamond For Kenworth 2006 & Newer

    Rockwood Billet Aluminum Straight Line Threshold Plate W/ Engraved Rockwood Diamond For Kenworth 2006 & Newer

    ROCKWOOD

    $899.99
    Billet Aluminum Straight Line Threshold Plate W/ Engraved Rockwood Diamond Fits Kenworth 2006 & Newer* High Quality Threshold Plate* Made Of Billet Aluminum* Chrome-Plated Finish* Engraved Rockwood...
    KFT540
    SKU:
    KFT540
    Finish Options:
    Chrome-Plated
    Location:
    Made In USA
    Material Options:
    Billet Aluminum
    Product Type:
    Exterior
    Make:
    Kenworth
    $899.99
    Qty in Cart: 0
    Price:
    $899.99
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  • Iowa Customs 96 Inch Stainless Steel Light Bar W/ Light Hole Options

    Iowa Customs 96 Inch Stainless Steel Light Bar W/ Light Hole Options

    IOWA CUSTOMS

    $1,091.99 - $1,138.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks & TrailersIowa Customs 96 Inch 304 Stainless Steel Light Bar W/ 13 Round 4 Inch Light Holes96 Inch 304...
    PPR_301385
    SKU:
    PPR_301385
    Length Options:
    8 1/2 Inch
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Position:
    Rear
    Product Type:
    Bumpers
    Truck Class:
    Heavy Duty
    Width Options:
    96 Inch
    Finish Options:
    Polished
    Make:
    Universal Items
    $1,091.99 - $1,138.99
    Qty in Cart: 0
    Price:
    $1,091.99 - $1,138.99
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  • TPHD Stainless Steel 24 Inch Quarter Fender W/ Triangle Arm Mount Design & 4 Inch Top Flap

    TPHD Stainless Steel 24 Inch Quarter Fender W/ Triangle Arm Mount Design & 4 Inch Top Flap

    TPHD

    $269.99
    24 Inch Quarter Fender Stainless Steel W/ Triangle Arm Mount Design & 4 Inch Top Flap* High Quality Quarter Fender* Made Of 18 Gauge 430 Stainless Steel* Mirror Shine Finish* Includes:  - (2) Quarter...
    09-110306066
    SKU:
    09-110306066
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Type Options:
    Post Mount
    Location:
    Made In USA
    Position:
    Kit Full
    Style Options:
    Quarter Fender
    Height Options:
    24 Inch
    Width Options:
    24 Inch
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $269.99
    Qty in Cart: 0
    Price:
    $269.99
    Subtotal:
  • 1157 & 570 Amber LED Front Side Turn Signal & Marker Light Super Bright

    1157 & 570 Amber LED Front Side Turn Signal & Marker Light Super Bright

    ROCKWOOD

    $46.99
    1157 & 570 Amber LED Super Bright Marker Light* High Quality LED Bulb* 1157 And 570 Style* Front Side Turn Signal/Marker* Super Bright Amber LEDs* Sold Individually* Warranty On LED Bulbs Against...
    UE7102
    SKU:
    UE7102
    Product Type:
    Lighting
    Location:
    Made In USA
    Color:
    Amber
    Make:
    Universal Items
    $46.99
    Qty in Cart: 0
    Price:
    $46.99
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  • 1157 Amber LED Marker/Flasher Bulb W/ 2 Stage Super Bright

    1157 Amber LED Marker/Flasher Bulb W/ 2 Stage Super Bright

    ROCKWOOD

    $18.17
    1157 Amber LED Marker/Flasher Bulb W/ 20 Diodes* High Quality LED Bulb* 1157 Style* 20 Diode* Marker/Flasher* 2 Stage Super Bright* Amber LEDs* Sold Individually* Warranty On LED Bulbs Against...
    UE7100
    SKU:
    UE7100
    Product Type:
    Lighting
    Color:
    Amber
    Location:
    Made In USA
    Make:
    Universal Items
    $18.17
    Qty in Cart: 0
    Price:
    $18.17
    Subtotal:
  • 570 Magnum Ultra Bright LED Bulb W/ Color Options

    570 Magnum Ultra Bright LED Bulb W/ Color Options

    ROCKWOOD

    $21.20
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks570 Amber Magnum Ultra Bright LED Bulb570 Amber LED Bulb Magnum Ultra Bright* High Quality LED Bulb*...
    PPR_301382
    SKU:
    PPR_301382
    Product Type:
    Lighting
    Location:
    Made In USA
    Make:
    Universal Items
    Color:
    White
    Color:
    Red
    Color:
    Blue
    Color:
    Amber
    $21.20
    Qty in Cart: 0
    Price:
    $21.20
    Subtotal:
  • Blind Mount Fender Bracket Kit Driver/Passenger Side W/ Bolt Kit For Peterbilt Flex Air & Kenworth AG380 Paccar Suspension

    Blind Mount Fender Bracket Kit Driver/Passenger Side W/ Bolt Kit For Peterbilt Flex Air & Kenworth AG380 Paccar Suspension

    AFTERMARKET

    $2,573.99
    Driver/Passenger Side Blind Mount Fender Bracket Kit W/ Bolt Kit* High Quality Fender Bracket Kit* Flex Air Suspension* Fits 24.5 Inch Low Pro Tires and Smaller* Includes:  - (1) Standard Driver Side...
    XBM-FLEXSFKIT
    SKU:
    XBM-FLEXSFKIT
    Type Options:
    Blind Mount
    Product Type:
    Rear Fenders
    Location:
    Made In USA
    Position:
    Kit Full
    Make:
    Kenworth
    Ready To Ship:
    Yes
    $2,573.99
    Qty in Cart: 0
    Price:
    $2,573.99
    Subtotal:
  • Spotlight Installation Kit W/ Driver/Passenger Side Post Mounting Kit For Unity Spotlight With An A-Shaft Length

    Spotlight Installation Kit W/ Driver/Passenger Side Post Mounting Kit For Unity Spotlight With An A-Shaft Length

    UNITY MFG

    $86.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksSpotlight Installation Kit W/ Driver Side Post Mount Mounting Kit For Unity Spotlight With An A-Shaft...
    PPR_301365
    SKU:
    PPR_301365
    Position:
    Kit Full
    Location:
    Made In USA
    Product Type:
    Lighting
    Make:
    Universal Items
    Position:
    Driver Side
    Type Options:
    Post Mount
    Position:
    Passenger Side
    $86.99
    Qty in Cart: 0
    Price:
    $86.99
    Subtotal:
  • Roadworks Stainless Steel Rear Light Bar W/ Light Hole Options

    Roadworks Stainless Steel Rear Light Bar W/ Light Hole Options

    ROADWORKS

    $565.99 - $605.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksRoadworks Stainless Steel Rear Light Bar W/ 10 Horizontal Oval Light HolesStainless Steel Rear Light...
    PPR_301357
    SKU:
    PPR_301357
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Product Type:
    Bumpers
    Light Options:
    Without Lights
    Make:
    Universal Items
    $565.99 - $605.99
    Qty in Cart: 0
    Price:
    $565.99 - $605.99
    Subtotal:
  • Steering Creations Smart Gen 5 Kit W/ 3 Bolt Pattern & Color Options For 4 Spoke Steering Wheel

    Steering Creations Smart Gen 5 Kit W/ 3 Bolt Pattern & Color Options For 4 Spoke Steering Wheel

    STEERING CREATIONS

    $345.99 - $349.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksSteering Creations Smart Gen 5 Kit White W/ 3 Bolt Pattern For 4 Spoke Steering WheelWhite Smart Gen 5...
    PPR_301376
    SKU:
    PPR_301376
    Product Type:
    Interior
    Position:
    Kit Full
    Color:
    Red
    Material Options:
    Steel
    Make:
    Peterbilt
    Make:
    Kenworth
    Make:
    Universal Items
    Color:
    White
    Color:
    Blue
    $345.99 - $349.99
    Qty in Cart: 0
    Price:
    $345.99 - $349.99
    Subtotal:
  • Roadworks Stainless Steel Channel W/ Length & Super 21 Light Hole Options

    Roadworks Stainless Steel Channel W/ Length & Super 21 Light Hole Options

    ROADWORKS

    $20.76 - $174.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksRoadworks 9 Inch Stainless Steel Channel W/ 1 Super 21 Light Hole9 Inch Stainless Steel Channel W/ 1...
    PPR_301354
    SKU:
    PPR_301354
    Length Options:
    86 Inch
    Length Options:
    18 Inch
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Length Options:
    9 Inch
    Product Type:
    Lighting
    Height Options:
    4 Inch
    Light Options:
    Without Lights
    Make:
    Universal Items
    $20.76 - $174.99
    Qty in Cart: 0
    Price:
    $20.76 - $174.99
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  • Roadworks Stainless Steel Channel W/ Length & Oval Light Hole Options

    Roadworks Stainless Steel Channel W/ Length & Oval Light Hole Options

    ROADWORKS

    $20.76 - $190.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksRoadworks 9 Inch Stainless Steel Channel W/ 1 Oval Light Hole9 Inch Stainless Steel Channel W/ 1 Oval...
    PPR_301353
    SKU:
    PPR_301353
    Length Options:
    30 Inch
    Length Options:
    18 Inch
    Length Options:
    9 Inch
    Length Options:
    86 Inch
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Length Options:
    36 Inch
    Length Options:
    94 Inch
    Height Options:
    4 Inch
    Product Type:
    Lighting
    Length Options:
    60 Inch
    Light Options:
    Without Lights
    Make:
    Universal Items
    $20.76 - $190.99
    Qty in Cart: 0
    Price:
    $20.76 - $190.99
    Subtotal:
  • Roadworks Stainless Steel Channel W/ Round Light Hole & Length Options

    Roadworks Stainless Steel Channel W/ Round Light Hole & Length Options

    ROADWORKS

    $10.08 - $190.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksRoadworks 4 Inch Stainless Steel Channel W/ 1 Round 2 Inch Light Holes4 Inch Stainless Steel Channel W/...
    PPR_301350
    SKU:
    PPR_301350
    Length Options:
    32 Inch
    Length Options:
    94 Inch
    Height Options:
    4 Inch
    Product Type:
    Lighting
    Length Options:
    4 Inch
    Light Options:
    Without Lights
    Length Options:
    24 Inch
    Length Options:
    16 Inch
    Length Options:
    86 Inch
    Length Options:
    8 Inch
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $10.08 - $190.99
    Qty in Cart: 0
    Price:
    $10.08 - $190.99
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  • Roadworks Stainless Steel Channel W/ Bullet Plug, Supernova Light Hole & Length Options

    Roadworks Stainless Steel Channel W/ Bullet Plug, Supernova Light Hole & Length Options

    ROADWORKS

    $31.60 - $148.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksRoadworks 18 Inch Stainless Steel Channel W/ 2 Supernova Light Holes & Bullet Plugs18 Inch Stainless...
    PPR_301349
    SKU:
    PPR_301349
    Length Options:
    18 Inch
    Length Options:
    60 Inch
    Light Options:
    Without Lights
    Length Options:
    30 Inch
    Style Options:
    Supernova
    Length Options:
    86 Inch
    Location:
    Made In USA
    Height Options:
    3 1/2 Inch
    Length Options:
    36 Inch
    Length Options:
    42 Inch
    Length Options:
    88 Inch
    Length Options:
    94 Inch
    Product Type:
    Lighting
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $31.60 - $148.99
    Qty in Cart: 0
    Price:
    $31.60 - $148.99
    Subtotal:
  • Roadworks Stainless Steel License Plate Holder Gullwing Style W/ Supernova Horizontal Light Hole, Plate Quantity & Width Options

    Roadworks Stainless Steel License Plate Holder Gullwing Style W/ Supernova Horizontal Light Hole, Plate Quantity & Width Options

    ROADWORKS

    $36.53 - $230.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksRoadworks 13.5 Inch Stainless Steel License Plate Holder Gull Wing Style W/ Supernova Horizontal Light...
    PPR_301346
    SKU:
    PPR_301346
    Product Type:
    Bumpers
    Width Options:
    56 Inch
    Light Options:
    Without Lights
    Style Options:
    Gullwing
    Material Options:
    Stainless Steel
    Width Options:
    27 1/2 Inch
    Location:
    Made In USA
    Width Options:
    13 1/2 Inch
    Make:
    Universal Items
    $36.53 - $230.99
    Qty in Cart: 0
    Price:
    $36.53 - $230.99
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  • Roadworks 94 X 4 Inch Stainless Steel Full Bumper Bar W/ Oval Light Hole Options

    Roadworks 94 X 4 Inch Stainless Steel Full Bumper Bar W/ Oval Light Hole Options

    ROADWORKS

    $161.99 - $178.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksRoadworks 94 X 4 Inch Stainless Steel Full Bumper Bar W/ 5 Oval Light Holes94 X 4 Inch Stainless Steel...
    PPR_301355
    SKU:
    PPR_301355
    Length Options:
    94 Inch
    Product Type:
    Bumpers
    Width Options:
    94 Inch
    Light Options:
    Without Lights
    Height Options:
    4 Inch
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $161.99 - $178.99
    Qty in Cart: 0
    Price:
    $161.99 - $178.99
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  • Roadworks Stainless Steel Channel W/ Length & Rectangular Light Hole Options

    Roadworks Stainless Steel Channel W/ Length & Rectangular Light Hole Options

    ROADWORKS

    $22.73 - $41.48
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksRoadworks 8 Inch Stainless Steel Channel W/ 1 Rectangular Light Hole8 Inch Stainless Steel Channel W/ 1...
    PPR_301351
    SKU:
    PPR_301351
    Light Options:
    Without Lights
    Height Options:
    6 Inch
    Location:
    Made In USA
    Length Options:
    8 Inch
    Product Type:
    Lighting
    Length Options:
    16 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $22.73 - $41.48
    Qty in Cart: 0
    Price:
    $22.73 - $41.48
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  • Hogebuilt Stainless Steel Half Tandem Fender W/ 3 Inch Flange & Length Options For Kenworth

    Hogebuilt Stainless Steel Half Tandem Fender W/ 3 Inch Flange & Length Options For Kenworth

    HOGEBUILT FENDERS

    $1,759.99 - $1,793.99
    Choose Option(s) to see description.Fitment* Fits Kenworth C500 1972 thru Current* Fits Kenworth Cabover 1961 thru 2002* Fits Kenworth K100 Cabover 1961 thru 1967* Fits Kenworth K100C 1968 thru 1983*...
    PPR_301234
    SKU:
    PPR_301234
    Product Type:
    Rear Fenders
    $1,759.99 - $1,793.99
    Qty in Cart: 0
    Price:
    $1,759.99 - $1,793.99
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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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