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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.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Frame Bracket Hendrickson 16-Inch And 17-Inch Ride Heights, 10-Inch Winged Bolt, Top To Align Hole 10 Inch For Hendrickson INTRAAX Suspension

    Frame Bracket Hendrickson 16-Inch And 17-Inch Ride Heights, 10-Inch Winged Bolt, Top To Align Hole 10 Inch For Hendrickson INTRAAX Suspension

    AFTERMARKET

    $386.99 - $387.99
    Choose Option(s) to see description.Fitment** Fits Truck Models W/ Hendrickson INTRAAX SuspensionPassenger Side Frame Bracket Replaces S309602R, S365663R For Hendrickson INTRAAX Suspension10.00 X 6...
    PPR_299574
    SKU:
    PPR_299574
    Height Options:
    10 Inch
    Product Type:
    Frame & Chassis
    Position:
    Passenger Side
    Position:
    Driver Side
    Make:
    Universal Items
    $386.99 - $387.99
    Qty in Cart: 0
    Price:
    $386.99 - $387.99
    Subtotal:
  • Driver/Passenger Side Frame Bracket, Top To Align Hole 8 Inch For Hendrickson-Turner Suspension

    Driver/Passenger Side Frame Bracket, Top To Align Hole 8 Inch For Hendrickson-Turner Suspension

    AFTERMARKET

    $156.99
    Choose Option(s) to see description.Fitment** Fits Truck & Trailer Models W/ Hendrickson-Turner SuspensionPassenger Side Frame Bracket Replaces C200472, S200472 For Hendrickson-Turner Suspension8.00...
    PPR_299579
    SKU:
    PPR_299579
    Product Type:
    Frame & Chassis
    Position:
    Passenger Side
    Position:
    Driver Side
    Make:
    Universal Items
    $156.99
    Qty in Cart: 0
    Price:
    $156.99
    Subtotal:
  • 45 Degree V- Band Elbow For Cummins/Detroit Diesel

    45 Degree V- Band Elbow For Cummins/Detroit Diesel

    POWER PLAY PRODUCTS

    $153.99
    Choose Option(s) to see description.Fitment** Fits Models W/ Cummins & Detroit Diesel Turbochargers** Please Verify Fitment Prior To Ordering **Black 45 Degree V- Band Elbow For Cummins/Detroit...
    PPR_299566
    SKU:
    PPR_299566
    Color:
    White
    Style Options:
    Elbow
    Color:
    Black
    Product Type:
    Engine Parts
    Degree Options:
    45
    Make:
    Universal Items
    $153.99
    Qty in Cart: 0
    Price:
    $153.99
    Subtotal:
  • Frame Bracket Hendrickson 13.5-Inch, 14-Inch And 15-Inch Ride Heights, Top To Align Hole 10 Inch For Hendrickson INTRAAX Suspension

    Frame Bracket Hendrickson 13.5-Inch, 14-Inch And 15-Inch Ride Heights, Top To Align Hole 10 Inch For Hendrickson INTRAAX Suspension

    AFTERMARKET

    $383.99
    Choose Option(s) to see description.Fitment** Fits Truck Models W/ Hendrickson INTRAAX SuspensionDriver Side Frame Bracket Replaces S227761, S309603L For Hendrickson INTRAAX Suspension10.00 Inch...
    PPR_299575
    SKU:
    PPR_299575
    Height Options:
    10 Inch
    Product Type:
    Frame & Chassis
    Position:
    Passenger Side
    Position:
    Driver Side
    Make:
    Universal Items
    $383.99
    Qty in Cart: 0
    Price:
    $383.99
    Subtotal:
  • Driver/Passenger Side Beam Assembly For Hendrickson-Turner Suspension

    Driver/Passenger Side Beam Assembly For Hendrickson-Turner Suspension

    AFTERMARKET

    $1,121.99
    Choose Option(s) to see description.Fitment** Fits Truck Models W/ Hendrickson-Turner SuspensionDriver Side Beam Assembly Replaces 0019071, D0019071, D131031, D142041, R0019071, S131031, S142041 For...
    PPR_299580
    SKU:
    PPR_299580
    Position:
    Driver Side
    Product Type:
    Frame & Chassis
    Position:
    Passenger Side
    Make:
    Universal Items
    $1,121.99
    Qty in Cart: 0
    Price:
    $1,121.99
    Subtotal:
  • Straight Out Mount Exhaust Manifold - 1 Piece For Caterpillar 3406E/C15

    Straight Out Mount Exhaust Manifold - 1 Piece For Caterpillar 3406E/C15

    POWER PLAY PRODUCTS

    $1,326.99 - $1,530.99
    Choose Option(s) to see description.Fitment** Fits Models W/ Caterpillar 3406E/C15 Engines** Please Verify Fitment Prior To Ordering **Bare Finish Straight Out Mount Exhaust Manifold- 1 Piece For...
    PPR_299562
    SKU:
    PPR_299562
    Finish Options:
    Chrome-Plated
    Style Options:
    Caterpillar
    Color:
    Black
    Product Type:
    Engine Parts
    Material Options:
    Ceramic
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $1,326.99 - $1,530.99
    Qty in Cart: 0
    Price:
    $1,326.99 - $1,530.99
    Subtotal:
  • Frame Bracket Hendrickson 16-Inch And 17-Inch Ride Heights, Top To Align Hole 10 Inch, Bolt Size 5/8 Inch For Hendrickson INTRAAX Suspension

    Frame Bracket Hendrickson 16-Inch And 17-Inch Ride Heights, Top To Align Hole 10 Inch, Bolt Size 5/8 Inch For Hendrickson INTRAAX Suspension

    AFTERMARKET

    $395.99
    Choose Option(s) to see description.Fitment** Fits Truck Models W/ Hendrickson INTRAAX SuspensionDriver Side Frame Bracket Replaces S216291, S309605L, S365664L For Hendrickson INTRAAX Suspension10.00...
    PPR_299577
    SKU:
    PPR_299577
    Height Options:
    10 Inch
    Product Type:
    Frame & Chassis
    Position:
    Passenger Side
    Position:
    Driver Side
    Make:
    Universal Items
    $395.99
    Qty in Cart: 0
    Price:
    $395.99
    Subtotal:
  • Frame Bracket Hendrickson 13.5-Inch, 14-Inch And 15-Inch Ride Heights, Top To Align Hole 8 Inch, Bolt Size 5/8 Inch For Hendrickson INTRAAX Suspension

    Frame Bracket Hendrickson 13.5-Inch, 14-Inch And 15-Inch Ride Heights, Top To Align Hole 8 Inch, Bolt Size 5/8 Inch For Hendrickson INTRAAX Suspension

    AFTERMARKET

    $363.99
    Choose Option(s) to see description.Fitment** Fits Truck Models W/ Hendrickson INTRAAX SuspensionDriver Side Frame Bracket Replaces S216281, S309604L For Hendrickson INTRAAX Suspension8.00 Inch Frame...
    PPR_299576
    SKU:
    PPR_299576
    Height Options:
    8 Inch
    Product Type:
    Frame & Chassis
    Position:
    Passenger Side
    Position:
    Driver Side
    Make:
    Universal Items
    $363.99
    Qty in Cart: 0
    Price:
    $363.99
    Subtotal:
  • Frame Bracket Hendrickson 13.5-Inch, 14-Inch And 15-Inch Ride Heights, 8-Inch Winged Bolt, Top To Align Hole 8 Inch For Hendrickson INTRAAX Suspension

    Frame Bracket Hendrickson 13.5-Inch, 14-Inch And 15-Inch Ride Heights, 8-Inch Winged Bolt, Top To Align Hole 8 Inch For Hendrickson INTRAAX Suspension

    AFTERMARKET

    $342.99
    Choose Option(s) to see description.Fitment** Fits Truck Models W/ Hendrickson INTRAAX SuspensionDriver Side Frame Bracket Replaces S210841, S309601L, S365661L For Hendrickson INTRAAX Suspension8.00...
    PPR_299573
    SKU:
    PPR_299573
    Height Options:
    8 Inch
    Product Type:
    Frame & Chassis
    Position:
    Passenger Side
    Position:
    Driver Side
    Make:
    Universal Items
    $342.99
    Qty in Cart: 0
    Price:
    $342.99
    Subtotal:
  • One Piece Exhaust Manifold For Cummins ISX/CM570 Engines

    One Piece Exhaust Manifold For Cummins ISX/CM570 Engines

    POWER PLAY PRODUCTS

    $1,326.99 - $1,530.99
    Choose Option(s) to see description.Fitment** Fits Models W/ Cummins ISX/CM570 Engines** Please Verify Fitment Prior To Ordering **Bare Finish Exhaust Manifold- 1 Piece For Cummins ISX/CM570 Engines1...
    PPR_299567
    SKU:
    PPR_299567
    Color:
    Black
    Style Options:
    Cummins
    Product Type:
    Engine Parts
    Material Options:
    Ceramic
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    $1,326.99 - $1,530.99
    Qty in Cart: 0
    Price:
    $1,326.99 - $1,530.99
    Subtotal:
  • Standard Airway Buffing Wheels

    Standard Airway Buffing Wheels

    ZEPHYR

    $13.96
    Choose Option(s) to see description.10 Inch Orange Cotton Buffing WheelOrange Buffing Wheel- 10 Inch* High Quality Buffing Wheel* Heavy Cut Clear Dipped (Dipped In A Glue Solution That Hardens The...
    PPR_299554
    SKU:
    PPR_299554
    Color:
    Red
    Product Type:
    Polishing
    Color:
    Orange
    Material Options:
    Cotton
    Diameter Options:
    10 Inch
    Color:
    Yellow
    Make:
    Universal Items
    $13.96
    Qty in Cart: 0
    Price:
    $13.96
    Subtotal:
  • 90 Degree Elbow W/ Mounting Hardware For Caterpillar C15 1995-2003

    90 Degree Elbow W/ Mounting Hardware For Caterpillar C15 1995-2003

    POWER PLAY PRODUCTS

    $214.99
    Choose Option(s) to see description.Fitment** Fits Truck Models W/ Caterpillar C15 Engines 1995 thru 2003Black 90 Degree Elbow W/ Mounting Hardware For Caterpillar C15 1995-200390 Degree Elbow W/...
    PPR_299569
    SKU:
    PPR_299569
    Degree Options:
    90
    Color:
    White
    Color:
    Black
    Style Options:
    Caterpillar
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $214.99
    Qty in Cart: 0
    Price:
    $214.99
    Subtotal:
  • One Piece Exhaust Manifold For Caterpillar C11/C13

    One Piece Exhaust Manifold For Caterpillar C11/C13

    POWER PLAY PRODUCTS

    $1,326.99 - $1,530.99
    Choose Option(s) to see description.Fitment** Fits Models W/ Caterpillar C11/C13 Engines** Please Verify Fitment Prior To Ordering **Bare Finish Exhaust Manifold- 1 Piece For Caterpillar C11/C131...
    PPR_299563
    SKU:
    PPR_299563
    Style Options:
    Caterpillar
    Color:
    Black
    Product Type:
    Engine Parts
    Material Options:
    Ceramic
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $1,326.99 - $1,530.99
    Qty in Cart: 0
    Price:
    $1,326.99 - $1,530.99
    Subtotal:
  • One Piece Low Mount Turbo Exhaust Manifold For Caterpillar 3406E/C15 Engines

    One Piece Low Mount Turbo Exhaust Manifold For Caterpillar 3406E/C15 Engines

    POWER PLAY PRODUCTS

    $1,326.99 - $1,530.99
    Choose Option(s) to see description.Fitment** Fits Models W/ Caterpillar 3406E/C15 Engines** Please Verify Fitment Prior To Ordering **Bare Finish Low Mount Turbo Exhaust Manifold- 1 Piece For...
    PPR_299568
    SKU:
    PPR_299568
    Product Type:
    Engine Parts
    Material Options:
    Ceramic
    Finish Options:
    Chrome-Plated
    Color:
    Black
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $1,326.99 - $1,530.99
    Qty in Cart: 0
    Price:
    $1,326.99 - $1,530.99
    Subtotal:
  • 90 Degree V- Band Elbow For Cummins/Detroit Diesel

    90 Degree V- Band Elbow For Cummins/Detroit Diesel

    POWER PLAY PRODUCTS

    $112.99
    Choose Option(s) to see description.Fitment** Fits Models W/ Cummins & Detroit Diesel Turbochargers** Please Verify Fitment Prior To Ordering **Black 90 Degree V- Band Elbow For Cummins/Detroit...
    PPR_299565
    SKU:
    PPR_299565
    Degree Options:
    90
    Color:
    White
    Color:
    Black
    Style Options:
    Elbow
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $112.99
    Qty in Cart: 0
    Price:
    $112.99
    Subtotal:
  • Adhesive Sanding Disks W/ Grit Options

    Adhesive Sanding Disks W/ Grit Options

    ZEPHYR

    $40.79 - $41.80
    Choose Option(s) to see description.5 Inch 120 Grit Adhesive Sanding Disc- 100 Pack100 Pack Adhesive Sanding Disc- 120 Grit* High Quality Adhesive Sanding Disc* 120 Grit* PSA Tabbed Non-Vacuum Discs*...
    PPR_299550
    SKU:
    PPR_299550
    Product Type:
    Polishing
    Diameter Options:
    5 Inch
    Color:
    Yellow
    Make:
    Universal Items
    $40.79 - $41.80
    Qty in Cart: 0
    Price:
    $40.79 - $41.80
    Subtotal:
  • Exhaust Manifold - 1 Piece For Detroit Diesel 60 Series

    Exhaust Manifold - 1 Piece For Detroit Diesel 60 Series

    POWER PLAY PRODUCTS

    $1,326.99 - $1,530.99
    Choose Option(s) to see description.Fitment** Fits Models W/ Detroit Diesel 60 Series 12.7L Engines** Please Verify Fitment Prior To Ordering **Bare Finish Exhaust Manifold- 1 Piece For Detroit...
    PPR_299564
    SKU:
    PPR_299564
    Product Type:
    Engine Parts
    Material Options:
    Ceramic
    Finish Options:
    Chrome-Plated
    Color:
    Black
    Style Options:
    Detroit
    Make:
    Universal Items
    $1,326.99 - $1,530.99
    Qty in Cart: 0
    Price:
    $1,326.99 - $1,530.99
    Subtotal:
  • Driver/Passenger Side Door Handle Cover LED

    Driver/Passenger Side Door Handle Cover LED

    AUTOMANN USA

    $25.44
    Choose Option(s) to see description.Fitment* Fits Kenworth T270 2009 thru 2011* Fits Kenworth T300 2001 thru 2007* Fits Kenworth T370 2009 thru 2021* Fits Kenworth T660 2008 thru 2011* Fits Peterbilt...
    PPR_299555
    SKU:
    PPR_299555
    Position:
    Passenger Side
    Position:
    Driver Side
    Light Options:
    With Lights
    Color:
    Amber/Clear
    Product Type:
    Exterior
    Make:
    Peterbilt
    Make:
    Kenworth
    $25.44
    Qty in Cart: 0
    Price:
    $25.44
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    WABAM Vanish Salt Neutralizer

    WABAM Vanish Salt Neutralizer

    AFTERMARKET

    $12.13 - $132.08
    Choose Option(s) to see description.WABAM Vanish Salt Neutralizer- 16 Oz16 Ounce WABAM Vanish Salt Neutralizer* High Quality Salt Neutralizer* WABAM Vanish* Salt Neutralizer* Works Great In Floor...
    PPR_299551
    SKU:
    PPR_299551
    Product Type:
    Polishing
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $12.13 - $132.08
    Qty in Cart: 0
    Price:
    $12.13 - $132.08
    Subtotal:
  • Memory Foam Replacement Mattress, Topper And Cover W/ Length Options

    Memory Foam Replacement Mattress, Topper And Cover W/ Length Options

    AUTOMANN USA

    $238.99 - $415.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks42 X 80 Inch Memory Foam TransPlush MattressMemory Foam TransPlush Mattress- 42 X 80 X 7.5 Inch* High...
    PPR_299556
    SKU:
    PPR_299556
    Width Options:
    80 Inch
    Length Options:
    29 Inch
    Length Options:
    42 Inch
    Height Options:
    7 1/2 Inch
    Height Options:
    6 Inch
    Length Options:
    39 Inch
    Length Options:
    36 Inch
    Width Options:
    79 Inch
    Product Type:
    Interior
    Length Options:
    34 Inch
    Material Options:
    Foam
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $238.99 - $415.99
    Qty in Cart: 0
    Price:
    $238.99 - $415.99
    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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