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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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  • FREE SHIPPING OVER $249
    TPHD 4 X 6 Inch Steel Corner Protector With Rubber Lining For Strap Or Chain Use

    TPHD 4 X 6 Inch Steel Corner Protector With Rubber Lining For Strap Or Chain Use

    TPHD

    $11.99
    Steel Corner Protector With Rubber Lining For Straps Or ChainsDo you want to prevent marks on your cargo? Do not worry, 4 State Trucks has you covered. With the ability to extend the life of your...
    09-020732
    SKU:
    09-020732
    Product Type:
    Cargo Control
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $11.99
    Qty in Cart: 0
    Price:
    $11.99
    Subtotal:
  • FREE SHIPPING OVER $249
    4 Inch Steel Corner Protector For Strap Or Chain Use

    4 Inch Steel Corner Protector For Strap Or Chain Use

    TPHD

    $9.50
    4 Inch Steel Wide Corner Protector Without LiningProtect your corners with our sturdy 4-inch wide steel corner protector! Find the best cargo accessories at 4 State Trucks!* High Quality Corner...
    09-020711
    SKU:
    09-020711
    Product Type:
    Cargo Control
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $9.50
    Qty in Cart: 0
    Price:
    $9.50
    Subtotal:
  • FREE SHIPPING
    Chrome Electric, Heated Mirror Assembly With Brackets Passenger Side For Kenworth T600, T660 & T800

    Chrome Electric, Heated Mirror Assembly With Brackets Passenger Side For Kenworth T600, T660 & T800

    BESTFIT TRUCK PARTS

    $367.99
    Electric, Heated Mirror Assembly With Brackets Fits KenworthThis aftermarket Electric, Heated Chrome Mirror Assembly for Kenworth T600, T660, and T800 is designed to replace your OEM 10619 factory...
    02-091521
    SKU:
    02-091521
    Truck Class:
    Heavy Duty
    Product Type:
    Exterior
    Make:
    Kenworth
    Ready To Ship:
    Yes
    $367.99
    Qty in Cart: 0
    Price:
    $367.99
    Subtotal:
  • Chrome Electric, Heated Mirror Assembly With Brackets Driver Side For Kenworth T600, T660 & T800

    Chrome Electric, Heated Mirror Assembly With Brackets Driver Side For Kenworth T600, T660 & T800

    BESTFIT TRUCK PARTS

    $381.99
    Electric, Heated Mirror Assembly With Brackets Fits KenworthThis aftermarket Electric, Heated Chrome Mirror Assembly for Kenworth T600, T660, and T800 is designed to replace your OEM 10618 factory...
    02-091520
    SKU:
    02-091520
    Truck Class:
    Heavy Duty
    Product Type:
    Exterior
    Make:
    Kenworth
    $381.99
    Qty in Cart: 0
    Price:
    $381.99
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  • FREE SHIPPING OVER $249
    BESTfit Chrome Stainless Steel UB- Style Exhaust Clamp- 2 Bolt Bracket

    BESTfit Chrome Stainless Steel UB- Style Exhaust Clamp- 2 Bolt Bracket

    BESTFIT TRUCK PARTS

    $95.99 - $117.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of TrucksBESTfit 6 Inch Chrome Stainless Steel UB- Style Exhaust Clamp- 2 Bolt Bracket6 Inch UB- Style Exhaust...
    PPR_299442
    SKU:
    PPR_299442
    Diameter Options:
    8 Inch
    Diameter Options:
    7 Inch
    Diameter Options:
    6 Inch
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $95.99 - $117.99
    Qty in Cart: 0
    Price:
    $95.99 - $117.99
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  • Bawer Stainless Steel Tool Box With Single Door W/ Height Option 24 X 24 Inch

    Bawer Stainless Steel Tool Box With Single Door W/ Height Option 24 X 24 Inch

    BAWER TOOL BOXES

    $597.99 - $667.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBawer Stainless Steel Tool Box With Single Door-1 Handle- 18 X 24 X 24 Inch18 X 24 X 24 Inch Stainless...
    PPR_299426
    SKU:
    PPR_299426
    Length Options:
    24 Inch
    Height Options:
    24 Inch
    Truck Class:
    Heavy Duty
    Style Options:
    1 Door
    Finish Options:
    Polished
    Material Options:
    Stainless Steel
    Height Options:
    18 Inch
    Width Options:
    24 Inch
    Product Type:
    Toolboxes
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $597.99 - $667.99
    Qty in Cart: 0
    Price:
    $597.99 - $667.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 4.5 - 4 X 6 Inch Hot Side Charge Air Intake Hump Hose

    BESTfit 4.5 - 4 X 6 Inch Hot Side Charge Air Intake Hump Hose

    BESTFIT TRUCK PARTS

    $76.99
    Red Hump Hose Reducer For Hot Side By BESTfitProtect your turbo system with the BESTfit Hot Side Charge Air Intake Hump Hose, made from high-quality silicone for maximum heat resistance and...
    09-070111
    SKU:
    09-070111
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    Subtotal:
  • BESTfit 4.5 ID X 4 ID X 7 Inch Charge Air Intake Hump Hose Reducer Hot Side

    BESTfit 4.5 ID X 4 ID X 7 Inch Charge Air Intake Hump Hose Reducer Hot Side

    BESTFIT TRUCK PARTS

    $66.99
    Hot Side 4.5 ID X 4 ID X 7 Inch Charge Air Intake Hump Hose Reducer By BESTfit* High Quality Hump Hose* Made Of Silicone Hose* 4 Inch ID x 4.5 Inch ID x 7 Inch Length* For Hot Side Hook Up To Charge...
    09-070117
    SKU:
    09-070117
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $66.99
    Qty in Cart: 0
    Price:
    $66.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 3.5 X 3 X 5 Inch Charge Air Intake Hump Hose Reducer

    BESTfit 3.5 X 3 X 5 Inch Charge Air Intake Hump Hose Reducer

    BESTFIT TRUCK PARTS

    $47.85
    3.5 X 3 X 5 Inch Charge Air Intake Hump Hose Reducer By BESTfitThis 4-layer silicone-coated fabric, reinforced with stainless steel rings, is designed for tough diesel truck engines. It works in...
    09-070131
    SKU:
    09-070131
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $47.85
    Qty in Cart: 0
    Price:
    $47.85
    Subtotal:
  • 22.5 X 8.25 Inch Haulin’ Satin Black Aluminum Wheel W/ Milled Lip

    22.5 X 8.25 Inch Haulin’ Satin Black Aluminum Wheel W/ Milled Lip

    TORQUE WHEELS HD

    $994.00
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of Trucks22.5 X 8.25 Inch Haulin’ Satin Black Aluminum Steer/ Inside Drive Wheel W/ Milled LipHaulin' 10 Bolt 1...
    PPR_299396
    SKU:
    PPR_299396
    Position:
    Rear
    Product Type:
    Wheels
    Material Options:
    Aluminum
    Color:
    Black
    Shape Options:
    Round
    Position:
    Front
    Make:
    Universal Items
    $994.00
    Qty in Cart: 0
    Price:
    $994.00
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  • 22.5 X 12.25 Inch Haulin’ Gloss Black Aluminum W/ Milled Lip

    22.5 X 12.25 Inch Haulin’ Gloss Black Aluminum W/ Milled Lip

    TORQUE WHEELS HD

    $994.00 - $1,270.00
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of Trucks22.5 X 10.5 Inch Haulin’ Gloss Black Aluminum Steer/ Tag Axle Wheel W/ Milled LipHaulin' 10 Bolt 1...
    PPR_299395
    SKU:
    PPR_299395
    Material Options:
    Aluminum
    Shape Options:
    Round
    Position:
    Front
    Material Options:
    Aluminized Steel
    Color:
    Black
    Product Type:
    Wheels
    Position:
    Rear
    Make:
    Universal Items
    $994.00 - $1,270.00
    Qty in Cart: 0
    Price:
    $994.00 - $1,270.00
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  • 24.5 X 8.25 Inch Haulin’ Gloss Black Aluminum Wheel W/ Milled Lip

    24.5 X 8.25 Inch Haulin’ Gloss Black Aluminum Wheel W/ Milled Lip

    TORQUE WHEELS HD

    $1,155.00
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of Trucks24.5 X 8.25 Inch Haulin’ Gloss Black Aluminum Steer/ Inside Drive Wheel W/ Milled LipHaulin' 10 Bolt 1...
    PPR_299397
    SKU:
    PPR_299397
    Material Options:
    Aluminum
    Shape Options:
    Round
    Color:
    Black
    Position:
    Front
    Product Type:
    Wheels
    Position:
    Rear
    Make:
    Universal Items
    $1,155.00
    Qty in Cart: 0
    Price:
    $1,155.00
    Subtotal:
  • On Sale
    20 Inch Stainless Steel Wrap Around Set Back Axle Bumper For Kenworth T660

    20 Inch Stainless Steel Wrap Around Set Back Axle Bumper For Kenworth T660

    VALLEY CHROME PLATING

    $1,409.29 - $1,454.34
    Choose Option(s) to see description.Fitment* Fits Kenworth T660 2008 thru 2017** Fits SBA Models Only20 Inch Stainless Steel Wrap Around Set Back Axle, 11 Gauge W/ Tow Hole For Kenworth T660Valley...
    PPR_299410
    SKU:
    PPR_299410
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Height Options:
    20 Inch
    Location:
    Made In USA
    Product Type:
    Bumpers
    Style Options:
    Set Back Axle
    Light Options:
    Without Lights
    Type Options:
    Standard Mount
    Size Options:
    11 Gauge
    Make:
    Kenworth
    Finish Options:
    Chrome-Plated
    Size Options:
    10 Gauge
    $1,409.29 - $1,454.34
    Qty in Cart: 0
    Price:
    $1,409.29 - $1,454.34
    Subtotal:
  • 22.5 X 8.25 Inch Luxe Polished Aluminum Wheel

    22.5 X 8.25 Inch Luxe Polished Aluminum Wheel

    TORQUE WHEELS HD

    $805.00
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of Trucks22.5 X 8.25 Inch Luxe Polished Aluminum Steer/ Inside Drive WheelLuxe 10 Bolt 1 Piece Aluminum Steer/...
    PPR_299393
    SKU:
    PPR_299393
    Position:
    Front
    Material Options:
    Aluminum
    Position:
    Rear
    Shape Options:
    Round
    Product Type:
    Wheels
    Finish Options:
    Polished
    Make:
    Universal Items
    $805.00
    Qty in Cart: 0
    Price:
    $805.00
    Subtotal:
  • 22.5 X 8.25 Inch Luxe Gloss Black Aluminum Wheel W/ Milled Lip

    22.5 X 8.25 Inch Luxe Gloss Black Aluminum Wheel W/ Milled Lip

    TORQUE WHEELS HD

    $939.00 - $967.00
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of Trucks22.5 X 8.25 Inch Luxe Gloss Black Aluminum Steer/ Inside Drive Wheel W/ Milled LipLuxe 10 Bolt 1 Piece...
    PPR_299394
    SKU:
    PPR_299394
    Color:
    Black
    Product Type:
    Wheels
    Material Options:
    Aluminum
    Position:
    Rear
    Shape Options:
    Round
    Position:
    Front
    Make:
    Universal Items
    $939.00 - $967.00
    Qty in Cart: 0
    Price:
    $939.00 - $967.00
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  • 22.5 X 9 Inch Luxe Polished Aluminum Steer RV Wheel

    22.5 X 9 Inch Luxe Polished Aluminum Steer RV Wheel

    TORQUE WHEELS HD

    $902.00
    Luxe 10 Bolt 1 Piece Aluminum Steer RV WheelTake your RV's front-end performance and curb appeal to the next level with this 22.5 x 9 Inch Luxe Polished Aluminum Steer Wheel. Made from high-quality...
    09-201300011
    SKU:
    09-201300011
    Position:
    Front
    Material Options:
    Aluminum
    Product Type:
    Wheels
    Finish Options:
    Polished
    Shape Options:
    Round
    Make:
    Universal Items
    $902.00
    Qty in Cart: 0
    Price:
    $902.00
    Subtotal:
  • 22.5 X 10.5 Inch Luxe Polished Aluminum Steer/ Tag Axle Wheel

    22.5 X 10.5 Inch Luxe Polished Aluminum Steer/ Tag Axle Wheel

    TORQUE WHEELS HD

    $1,027.00
    Luxe 10 Bolt 1 Piece Aluminum Steer/ Tag Axle WheelBring a superior blend of strength and shine to your RV with this 22.5 x 10.5 Inch Luxe Polished Aluminum Steer/Tag Axle Wheel, crafted to handle...
    09-201300013
    SKU:
    09-201300013
    Finish Options:
    Polished
    Material Options:
    Aluminum
    Shape Options:
    Round
    Position:
    Front
    Product Type:
    Wheels
    Make:
    Universal Items
    $1,027.00
    Qty in Cart: 0
    Price:
    $1,027.00
    Subtotal:
  • Black Aluminum Four Bell Train Horn

    Black Aluminum Four Bell Train Horn

    AFTERMARKET

    $971.99
    Black Four Bell Train HornTurn heads and demand attention with this Black Aluminum Four Bell Train Horn engineered for performance-driven drivers. Built from solid cast aluminum, the four trumpets...
    09-05130022
    SKU:
    09-05130022
    Color:
    Black
    Product Type:
    Frame & Chassis
    Style Options:
    4 Bell
    Material Options:
    Aluminum
    Make:
    Universal Items
    $971.99
    Qty in Cart: 0
    Price:
    $971.99
    Subtotal:
  • FREE SHIPPING
    Legacy Seat Base Adapter Mounting Plate

    Legacy Seat Base Adapter Mounting Plate

    ROCKWOOD

    $378.99
    Polished Aluminum Seat Base Adapter Mounting PlateNeed more leg room when driving? 4 State Trucks offers this quality seat base adapter by Rockwood. It provides up to 4 inches of additional leg room...
    USB626
    SKU:
    USB626
    Material Options:
    Billet Aluminum
    Product Type:
    Seats
    Truck Class:
    Universal
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $378.99
    Qty in Cart: 0
    Price:
    $378.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Diesel Life White & Black Visor

    Diesel Life White & Black Visor

    DIESEL LIFE

    $51.60
    Diesel Life VisorThis high quality black visor has the Diesel Life logo on the front. The visor has a green and white color option for the logo.* High Quality Visor* Black * With White Diesel Life...
    DLAH18
    SKU:
    DLAH18
    Color:
    Black
    Product Type:
    Apparel
    Truck Class:
    Universal
    Make:
    Universal Items
    $51.60
    Qty in Cart: 0
    Price:
    $51.60
    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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