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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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  • Valley Chrome 18 Inch Chrome Tall Wrap Around Bumper For Kenworth T660 SBA

    Valley Chrome 18 Inch Chrome Tall Wrap Around Bumper For Kenworth T660 SBA

    VALLEY CHROME PLATING

    $1,179.99
    This high quality 18 inch 10 GA chrome-plated steel wrap around bumper that fits the Kenworth T660 model has options for tow, fog light, and vent hole cutouts. The bumper is made in the USA and comes...
    PPR_201429
    SKU:
    PPR_201429
    Height Options:
    18 Inch
    Location:
    Made In USA
    Light Options:
    Without Lights
    Truck Class:
    Heavy Duty
    Style Options:
    Set Back Axle
    Material Options:
    Steel
    Make:
    Kenworth
    Finish Options:
    Chrome-Plated
    Type Options:
    Standard Mount
    Size Options:
    10 Gauge
    Product Type:
    Bumpers
    Ready To Ship:
    Yes
    $1,179.99
    Qty in Cart: 0
    Price:
    $1,179.99
    Subtotal:
  • Legendary Extreme Large Glass Watermelon 3 Wire Dual Function W/ Aluminum Base LED Light

    Legendary Extreme Large Glass Watermelon 3 Wire Dual Function W/ Aluminum Base LED Light

    LEGENDARY

    $45.99 - $46.91
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksLegendary Extreme Large Glass Watermelon Cool White-Clear 3 Wire Dual Function W/ Aluminum Base LED...
    PPR_299843
    SKU:
    PPR_299843
    Color:
    Amber
    Color:
    Amber/Clear
    Diameter Options:
    3 1/2 Inch
    Material Options:
    Glass
    Color:
    Red
    Style Options:
    LED
    Style Options:
    Watermelon
    Product Type:
    Lighting
    Color:
    White
    Shape Options:
    Round
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Color:
    Red/Clear
    Color:
    Various
    Material Options:
    Aluminum
    $45.99 - $46.91
    Qty in Cart: 0
    Price:
    $45.99 - $46.91
    Subtotal:
  • FREE SHIPPING OVER $249
    5 Inch Band Clamp Stainless Steel Pre-Formed by TPHD

    5 Inch Band Clamp Stainless Steel Pre-Formed by TPHD

    TPHD

    $11.31
    Pre-Formed Band Clamp, Replaces 11ME229P6Effectively connect exhaust system components with this high quality band clamp. Made of polished stainless steel, it is corrosion and heat resistant. The...
    09-0800010
    SKU:
    09-0800010
    Truck Class:
    Heavy Duty
    Diameter Options:
    5 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Finish Options:
    Polished
    Product Type:
    Exhaust
    Style Options:
    Pre-Formed
    Ready To Ship:
    Yes
    $11.31
    Qty in Cart: 0
    Price:
    $11.31
    Subtotal:
  • FREE SHIPPING OVER $249
    33MM Chrome Top Hat Nut Cover W/ Flange

    33MM Chrome Top Hat Nut Cover W/ Flange

    LIFETIME NUT COVERS

    $2.44
    Top Hat Nut Cover With Flange 33 MMDo you need some chrome for you hub pilot wheels? 4 State Trucks carries chrome-plated round top hat nut covers made in the USA by Lifetime Nut Covers. These covers...
    09-2005033
    SKU:
    09-2005033
    Location:
    Made In USA
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Size Options:
    33 mm
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    $2.44
    Qty in Cart: 0
    Price:
    $2.44
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    4 Inch Round Red Dual Revolution Stop, Tail & Turn LED Light With Auxiliary & Clear Lens

    4 Inch Round Red Dual Revolution Stop, Tail & Turn LED Light With Auxiliary & Clear Lens

    TRUX ACCESSORIES

    $34.99 - $59.99
    Transforming your rig's lighting can be simple when you choose a versatile LED option like the 4 inch round red Dual Revolution stop/tail/turn LED light with auxiliary function. This sealed...
    PPR_201880
    SKU:
    PPR_201880
    Truck Class:
    Universal
    Diameter Options:
    4 Inch
    Style Options:
    Dual Revolution
    Shape Options:
    Round
    Make:
    Universal Items
    Material Options:
    Plastic/Poly
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $34.99 - $59.99
    Qty in Cart: 0
    Price:
    $34.99 - $59.99
    Subtotal:
  • Bostrom Pro Ride Truck Seat Low Base Mid-Back, Armrests, Ultra-Leather

    Bostrom Pro Ride Truck Seat Low Base Mid-Back, Armrests, Ultra-Leather

    BOSTROM TRUCK SEATS

    $1,134.99 - $1,425.99
    Drive longer and ride better with the Bostrom Pro Ride Low Base Mid-Back Truck Seat with Armrests - Ultra-Leather. Available in Black, Gray, Red, Blue, and Tan Ultra-Leather, this mid-back seat...
    PPR_201842
    SKU:
    PPR_201842
    Truck Class:
    Heavy Duty
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Product Type:
    Seats
    Ready To Ship:
    Yes
    Color:
    Gray
    Color:
    Black
    Color:
    Red
    Color:
    Blue
    Location:
    Made In USA
    Type Options:
    Mid Back
    Style Options:
    LoPro Suspension
    Color:
    Tan
    $1,134.99 - $1,425.99
    Qty in Cart: 0
    Price:
    $1,134.99 - $1,425.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome Plastic Tube Lug Nut Cover With Flange

    Chrome Plastic Tube Lug Nut Cover With Flange

    GRAND GENERAL

    $1.40 - $3.46
    Upgrade the protection and appearance of your truck wheels with the Chrome Plastic Tube Lug Nut Cover With Flange. Available in multiple sizes and attachment styles-including screw-on and push-on...
    PPR_205723
    SKU:
    PPR_205723
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Truck Class:
    Heavy Duty
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    Height Options:
    2 1/2 Inch
    Style Options:
    Thread On
    Height Options:
    3 1/2 Inch
    Style Options:
    Push On
    $1.40 - $3.46
    Qty in Cart: 0
    Price:
    $1.40 - $3.46
    Subtotal:
  • FREE SHIPPING OVER $249
    Crossfire Tire Equalizer Valve W/ Stainless Steel Hoses By Dual Dynamics

    Crossfire Tire Equalizer Valve W/ Stainless Steel Hoses By Dual Dynamics

    DUAL DYNAMICS

    $104.99 - $399.99
    Balance tire pressure effortlessly with the Crossfire Tire Equalizer Valve With Stainless Steel Hoses by Dual Dynamics. Available from 65 to 135 PSI and in single or four-pack options, this system...
    PPR_205687
    SKU:
    PPR_205687
    Truck Class:
    Universal
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    $104.99 - $399.99
    Qty in Cart: 0
    Price:
    $104.99 - $399.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 2 Inch Wide Rubber Fuel Tank Strap Liner W/ Lip - Sold Per Foot

    BESTfit 2 Inch Wide Rubber Fuel Tank Strap Liner W/ Lip - Sold Per Foot

    BESTFIT TRUCK PARTS

    $7.86
    2 Inch Wide Fuel Tank Strap Backing With Lip Sold By The Foot By BESTfitEnsure long-lasting protection for your fuel tank straps with the BESTfit 2 Inch Wide Rubber Strap Liner with Lip. Its 2-inch...
    09-060101
    SKU:
    09-060101
    Truck Class:
    Heavy Duty
    Width Options:
    2 Inch
    Material Options:
    Rubber
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    Color:
    Black
    Ready To Ship:
    Yes
    $7.86
    Qty in Cart: 0
    Price:
    $7.86
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 33MM Sleeved Flange Nut For Drive Axles W/ Dual Aluminum Wheels

    TPHD 33MM Sleeved Flange Nut For Drive Axles W/ Dual Aluminum Wheels

    TPHD

    $14.25
    Sleeved Flange Nut 67 MM Height & 39 MM Sleeve LengthThe sleeved flange nut for hub pilot wheels is designed specifically for drive axles with dual aluminum wheels. With a 33mm hex and a 22mm x 1.5mm...
    09-202045
    SKU:
    09-202045
    Truck Class:
    Universal
    Size Options:
    33 mm
    Make:
    Universal Items
    Product Type:
    Wheels
    Material Options:
    Steel
    Style Options:
    Hub Pilot Wheel
    Position:
    Rear
    Location:
    Made In USA
    $14.25
    Qty in Cart: 0
    Price:
    $14.25
    Subtotal:
  • Kenworth T660 14 Inch Aero Stainless Clad Bumper W/ Tow, Vent & Fog Light Holes By BESTfit

    Kenworth T660 14 Inch Aero Stainless Clad Bumper W/ Tow, Vent & Fog Light Holes By BESTfit

    BESTFIT TRUCK PARTS

    $935.99
    BESTfit 14 Inch Aero Style Bumper W/ Vent, Tow & Fog Light Holes Fits Kenworth T-660Replace a factory-style two-piece bumper with this one-piece Aero Style Bumper. Featuring tow and fog light holes,...
    02-010101
    SKU:
    02-010101
    Height Options:
    14 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Kenworth
    Finish Options:
    Chrome-Plated
    Product Type:
    Bumpers
    Ready To Ship:
    Yes
    $935.99
    Qty in Cart: 0
    Price:
    $935.99
    Subtotal:
  • 5 Inch Chrome Curve Turn Out Exhaust Stack Top By BESTfit

    5 Inch Chrome Curve Turn Out Exhaust Stack Top By BESTfit

    BESTFIT TRUCK PARTS

    $63.99 - $607.99
    Are you looking to change up your exhaust system? Stop searching, 4 State Trucks have you covered. With the ability to add a sleek and style design to your truck, you also get that dependability and...
    PPR_202124
    SKU:
    PPR_202124
    Truck Class:
    Universal
    Diameter Options:
    5 Inch
    Style Options:
    Curve Turn
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Height Options:
    108 Inch
    Height Options:
    84 Inch
    Height Options:
    120 Inch
    Height Options:
    72 Inch
    Height Options:
    12 Inch
    Height Options:
    48 Inch
    Height Options:
    24 Inch
    Height Options:
    36 Inch
    Height Options:
    60 Inch
    Height Options:
    18 Inch
    Height Options:
    96 Inch
    Height Options:
    53 Inch
    Ready To Ship:
    Yes
    $63.99 - $607.99
    Qty in Cart: 0
    Price:
    $63.99 - $607.99
    Subtotal:
  • FREE SHIPPING OVER $249
    2 Inch Round Rubber Grommet With Open Back, Flush Mount

    2 Inch Round Rubber Grommet With Open Back, Flush Mount

    UNITED PACIFIC

    $1.16
    Black Open Back Rubber GrommetThis black rubber grommet provides additional shock and vibration absorbency for 2 inch round lights. It enables a flush mount that ensures a secure and stable fixture...
    09-160202
    SKU:
    09-160202
    Color:
    Black
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Lighting
    Diameter Options:
    2 1/4 Inch
    Ready To Ship:
    Yes
    $1.16
    Qty in Cart: 0
    Price:
    $1.16
    Subtotal:
  • Hogebuilt 24 Inch Wide 430 Stainless Steel Quarter Fender With Triangle Arm

    Hogebuilt 24 Inch Wide 430 Stainless Steel Quarter Fender With Triangle Arm

    HOGEBUILT FENDERS

    $368.99 - $487.99
    Add a clean custom look while helping reduce road spray with this stainless steel quarter fender pair. Constructed from durable 16 gauge 430 stainless steel with a mirror shine finish, these 24 inch...
    PPR_202012
    SKU:
    PPR_202012
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    24 Inch
    Finish Options:
    Polished
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    Size Options:
    16 Gauge
    Location:
    Made In USA
    Type Options:
    Quarter Fender
    Style Options:
    Rolled Edge
    Height Options:
    34 Inch
    Height Options:
    28 Inch
    Height Options:
    38 Inch
    Height Options:
    31 Inch
    $368.99 - $487.99
    Qty in Cart: 0
    Price:
    $368.99 - $487.99
    Subtotal:
  • FREE SHIPPING OVER $249
    33MM X 3.5 Inch Thread-On Cylinder Nut Covers

    33MM X 3.5 Inch Thread-On Cylinder Nut Covers

    UNITED PACIFIC

    $1.99 - $89.99
    Make your wheels shine with the 33MM x 3.5 Inch Thread-On Cylinder Nut Cover. Designed for hub-piloted wheels with standard 33 mm lug nuts, this aftermarket nut cover features a classic cylinder...
    PPR_204439
    SKU:
    PPR_204439
    Height Options:
    3 1/2 Inch
    Truck Class:
    Universal
    Size Options:
    33 mm
    Material Options:
    Plastic/Poly
    Shape Options:
    Cylindrical
    Make:
    Universal Items
    Style Options:
    Thread On
    Finish Options:
    Chrome-Plated
    Truck Class:
    Heavy Duty
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    $1.99 - $89.99
    Qty in Cart: 0
    Price:
    $1.99 - $89.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome Light Guard Bezel For Double Bubble Bullseye And Tiger Eye Style Lights

    Chrome Light Guard Bezel For Double Bubble Bullseye And Tiger Eye Style Lights

    UNITED PACIFIC

    $6.99
    Chrome Light Guard Bezel For Double Bubble & Tiger Eye Style Marker Clearance LightsDo you need a tiger eye style lens guard for your bullseye lights? 4 State Trucks offers chrome die cast metal...
    09-1605015
    SKU:
    09-1605015
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $6.99
    Qty in Cart: 0
    Price:
    $6.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Seats Inc. 6 Pocket Coverall Seat Covers

    Seats Inc. 6 Pocket Coverall Seat Covers

    SEATS INC

    $66.99
    Keep your seats looking new with Seats Inc. 6 Pocket Coverall Seat Covers, crafted for durability and practical storage. Offered in solid Black/Black or Black/Gray two-tone, these covers include six...
    PPR_681
    SKU:
    PPR_681
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Material Options:
    Polyester
    Product Type:
    Seats
    Ready To Ship:
    Yes
    Color:
    Black
    Style Options:
    High Back
    Location:
    Made In USA
    $66.99
    Qty in Cart: 0
    Price:
    $66.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Kink-Repairing Coiled Tractor-Trailer Air Hoses With Blue/Red Grips

    Kink-Repairing Coiled Tractor-Trailer Air Hoses With Blue/Red Grips

    REFLEXALLEN USA

    $76.99 - $89.99
    Keep your tractor-trailer air system reliable with these kink-repairing coiled air hoses featuring blue and red grips. A universal aftermarket replacement for commercial truck air brake setups, these...
    PPR_203489
    SKU:
    PPR_203489
    Location:
    Made In USA
    Truck Class:
    Universal
    Color:
    Red/Blue
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Air, Electrical, & Safety
    Length Options:
    144 Inch
    Diameter Options:
    4 Inch
    Diameter Options:
    2 Inch
    Length Options:
    180 Inch
    Ready To Ship:
    Yes
    $76.99 - $89.99
    Qty in Cart: 0
    Price:
    $76.99 - $89.99
    Subtotal:
  • FREE SHIPPING OVER $249
    1 1/2 Chrome Plastic Push-On Top Hat Lug Nut Cover

    1 1/2 Chrome Plastic Push-On Top Hat Lug Nut Cover

    LIFETIME NUT COVERS

    $2.44
    Chrome 1.5 Inch Tall Chrome Top Hat Lug Nut CoverDo You Want To Add Some Shine To Your Budd Wheel Nuts? 4 State Trucks Stocks These Chrome Nut Covers From Lifetime Nut Covers Including A 1.5 Inch...
    09-0506091
    SKU:
    09-0506091
    Location:
    Made In USA
    Height Options:
    2 Inch
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    $2.44
    Qty in Cart: 0
    Price:
    $2.44
    Subtotal:
  • FREE SHIPPING OVER $249
    2 X 4 Inch 16 Diode Double Bubble Bullseye LED Marker Light

    2 X 4 Inch 16 Diode Double Bubble Bullseye LED Marker Light

    UNITED PACIFIC

    $8.42 - $10.31
    Illuminate your ride with the 2 x 4 Inch 16 Diode Double Bubble Bullseye LED Marker Light, a practical lighting upgrade. This rectangular marker and clearance light features 16 LEDs housed in a...
    PPR_202258
    SKU:
    PPR_202258
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Plastic/Poly
    Length Options:
    4 Inch
    Product Type:
    Lighting
    Ready To Ship:
    Yes
    $8.42 - $10.31
    Qty in Cart: 0
    Price:
    $8.42 - $10.31
    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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