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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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  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Air Spring Rolling Lobe Replaces 64315. 910-16P498. 8927. W013588927. W01-358-8927. As0062. AS-0062 For Watson, Chalin Suspension

    Air Spring Rolling Lobe Replaces 64315. 910-16P498. 8927. W013588927. W01-358-8927. As0062. AS-0062 For Watson, Chalin Suspension

    AFTERMARKET

    $224.99
    Rolling Lobe Air Spring For Watson & Chalin Suspension* High Quality Air Spring* Automann Phoenix Brand* Rolling Lobe* Load At 80 PSI - 5500 Lbs* Load At 100 PSI - 7000 Lbs* Natural Frequency 65 CPM...
    29-05100219
    SKU:
    29-05100219
    Style Options:
    Rolling Lobe
    Product Type:
    Frame & Chassis
    Diameter Options:
    9 1/2 Inch
    Material Options:
    Plastic/Poly
    Height Options:
    13 Inch
    Make:
    Universal Items
    $224.99
    Qty in Cart: 0
    Price:
    $224.99
    Subtotal:
  • Air Spring Rolling Lobe Replaces 9504, 1R12-486, 69654, 90557216, 90557348 For Holland/Neway Suspension

    Air Spring Rolling Lobe Replaces 9504, 1R12-486, 69654, 90557216, 90557348 For Holland/Neway Suspension

    AFTERMARKET

    $268.99
    Air Spring Rolling Lobe- 16.00 Inch Design HeightRestore control and load balance to your truck with this Continental Rolling Lobe Air Spring. This premium air spring delivers robust performance with...
    29-05100145
    SKU:
    29-05100145
    Material Options:
    Plastic/Poly
    Height Options:
    16 Inch
    Style Options:
    Rolling Lobe
    Product Type:
    Frame & Chassis
    Diameter Options:
    9 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $268.99
    Qty in Cart: 0
    Price:
    $268.99
    Subtotal:
  • Air Spring Rolling Lobe Replaces 9373, 1R12-403, 64265, AB1DK23M-9373 For Hendrickson, Ford Rear Suspension

    Air Spring Rolling Lobe Replaces 9373, 1R12-403, 64265, AB1DK23M-9373 For Hendrickson, Ford Rear Suspension

    AFTERMARKET

    $171.99
    Rolling Lobe Air Spring For Hendrickson & Ford Rear Suspension* High Quality Air Spring* Econoride Brand* Rolling Lobe* Load At 80 PSI - 5900 Lbs* Load At 100 PSI - 7500 Lbs* Natural Frequency 57 CPM...
    29-05100203
    SKU:
    29-05100203
    Diameter Options:
    9 Inch
    Height Options:
    12 1/2 Inch
    Style Options:
    Rolling Lobe
    Product Type:
    Frame & Chassis
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    $171.99
    Qty in Cart: 0
    Price:
    $171.99
    Subtotal:
  • Air Spring Rolling Lobe Replaces 9472, 1R12-553, 69649, 90557147 For Neway/Holland Suspension

    Air Spring Rolling Lobe Replaces 9472, 1R12-553, 69649, 90557147 For Neway/Holland Suspension

    AFTERMARKET

    $235.99
    Rolling Lobe Air Spring For Neway/ Holland Rear Drive Air Suspension* High Quality Air Spring* Continental Brand* Rolling Lobe* Load At 80 PSI - 5600 Lbs* Load At 100 PSI - 7100 Lbs* Natural...
    29-05100147
    SKU:
    29-05100147
    Diameter Options:
    9 Inch
    Product Type:
    Frame & Chassis
    Style Options:
    Rolling Lobe
    Material Options:
    Plastic/Poly
    Height Options:
    13 1/2 Inch
    Make:
    Universal Items
    $235.99
    Qty in Cart: 0
    Price:
    $235.99
    Subtotal:
  • Air Spring Rolling Lobe Replaces 64314. 910-16P497. 8924. W013588924. W01-358-8924. 1R12436. 1R12-436. 1003588924C For Ridewell Suspension

    Air Spring Rolling Lobe Replaces 64314. 910-16P497. 8924. W013588924. W01-358-8924. 1R12436. 1R12-436. 1003588924C For Ridewell Suspension

    AFTERMARKET

    $232.99
    Air Spring Rolling Lobe With Plastic Base- 13.50 Inch Design Height* High Quality Air Spring* Automann Phoenix Brand* Rolling Lobe* Load At 80 PSI - 5500 Lbs* Load At 100 PSI - 7000 Lbs* Natural...
    29-05100220
    SKU:
    29-05100220
    Product Type:
    Frame & Chassis
    Material Options:
    Plastic/Poly
    Height Options:
    13 1/2 Inch
    Diameter Options:
    9 Inch
    Style Options:
    Rolling Lobe
    Make:
    Universal Items
    $232.99
    Qty in Cart: 0
    Price:
    $232.99
    Subtotal:
  • Air Spring Rolling Lobe For Hendrickson & Ford Suspension For Hendrickson & Ford Suspension

    Air Spring Rolling Lobe For Hendrickson & Ford Suspension For Hendrickson & Ford Suspension

    AFTERMARKET

    $228.99
    Air Spring Rolling Lobe For Hendrickson & Ford Suspension W/ Plastic Base* High Quality Air Spring* Rolling Lobe Type* 5900 Load At 80 PSI* 7500 Load At 100 PSI* 23.10 CPM Natural Frequency* Plastic...
    29-05100112
    SKU:
    29-05100112
    Material Options:
    Plastic/Poly
    Height Options:
    8 Inch
    Style Options:
    Rolling Lobe
    Diameter Options:
    9 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $228.99
    Qty in Cart: 0
    Price:
    $228.99
    Subtotal:
  • Air Spring Rolling Lobe Replaces 9471, 1R12-504, 69648, 90557146, 90557182 For Holland/Neway Suspension

    Air Spring Rolling Lobe Replaces 9471, 1R12-504, 69648, 90557146, 90557182 For Holland/Neway Suspension

    AFTERMARKET

    $268.99
    Air Spring Rolling Lobe For Neway/ Holland Rear Drive Air Suspension* High Quality Air Spring* Continental Brand* Rolling Lobe* Load At 80 PSI - 5600 Lbs* Load At 100 PSI - 7100 Lbs* Natural...
    29-05100146
    SKU:
    29-05100146
    Style Options:
    Rolling Lobe
    Height Options:
    16 Inch
    Diameter Options:
    9 Inch
    Product Type:
    Frame & Chassis
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    $268.99
    Qty in Cart: 0
    Price:
    $268.99
    Subtotal:
  • Air Spring Rolling Lobe Replaces 11105-15A751. 64689. 21100027. 211-00-027

    Air Spring Rolling Lobe Replaces 11105-15A751. 64689. 21100027. 211-00-027

    AFTERMARKET

    $308.99
    Air Spring Rolling Lobe With Aluminum Base* High Quality Air Spring* Automann Phoenix Brand* Rolling Lobe* Load At 80 PSI - 8000 Lbs* Load At 100 PSI - 10,000 Lbs* Natural Frequency 83 CPM (Cycles...
    29-05100121
    SKU:
    29-05100121
    Style Options:
    Rolling Lobe
    Product Type:
    Frame & Chassis
    Diameter Options:
    11 1/2 Inch
    Material Options:
    Aluminum
    Height Options:
    10 Inch
    Make:
    Universal Items
    $308.99
    Qty in Cart: 0
    Price:
    $308.99
    Subtotal:
  • Air Spring Rolling Lobe Replaces 64367. 99-12P479. 9387. W01-358-9387. 1R11-159. 1R11-203. 1003589387C For Ridewell Suspension

    Air Spring Rolling Lobe Replaces 64367. 99-12P479. 9387. W01-358-9387. 1R11-159. 1R11-203. 1003589387C For Ridewell Suspension

    AFTERMARKET

    $194.99
    Air Spring Rolling Lobe For Ridewell Suspension* High Quality Air Spring* Automann Phoenix Brand* Rolling Lobe* Load At 80 PSI - 5100 Lbs* Load At 100 PSI - 6400 Lbs* Natural Frequency 80 CPM (Cycles...
    29-05100159
    SKU:
    29-05100159
    Product Type:
    Frame & Chassis
    Material Options:
    Plastic/Poly
    Height Options:
    14 1/2 Inch
    Diameter Options:
    9 Inch
    Style Options:
    Rolling Lobe
    Make:
    Universal Items
    $194.99
    Qty in Cart: 0
    Price:
    $194.99
    Subtotal:
  • Air Spring Rolling Lobe Replaces 75267. 9 10BS-17 P 1193. 9866. W01-358-9866. W01-455-9866. 67391-002. 67391-2 For Hendrickson

    Air Spring Rolling Lobe Replaces 75267. 9 10BS-17 P 1193. 9866. W01-358-9866. W01-455-9866. 67391-002. 67391-2 For Hendrickson

    AFTERMARKET

    $250.99
    Air Spring Rolling Lobe For Hendrickson Rear Primaax & EX / Firemaax & EX* High Quality Air Spring* Rolling Lobe Type* 6320 Load At 80 PSI* 7900 Load At 100 PSI* Plastic Bottom Plate* Dimensions:  -...
    29-05100105
    SKU:
    29-05100105
    Material Options:
    Plastic/Poly
    Height Options:
    12 1/2 Inch
    Style Options:
    Rolling Lobe
    Product Type:
    Frame & Chassis
    Diameter Options:
    9 Inch
    Make:
    Universal Items
    $250.99
    Qty in Cart: 0
    Price:
    $250.99
    Subtotal:
  • Air Spring Rolling Lobe Includes Top Plate Brackets For Hendrickson Suspension

    Air Spring Rolling Lobe Includes Top Plate Brackets For Hendrickson Suspension

    AFTERMARKET

    $291.99
    Air Spring Rolling Lobe Includes Top Plate Brackets With Plastic Base* High Quality Air Spring* Rolling Lobe Type* 5900 Load At 80 PSI* 7500 Load At 100 PSI* 57 CPM Natural Frequency* Plastic Bottom...
    29-05100109
    SKU:
    29-05100109
    Style Options:
    Rolling Lobe
    Product Type:
    Frame & Chassis
    Diameter Options:
    9 Inch
    Material Options:
    Plastic/Poly
    Height Options:
    12 1/2 Inch
    Make:
    Universal Items
    $291.99
    Qty in Cart: 0
    Price:
    $291.99
    Subtotal:
  • Air Spring Rolling Lobe Replaces 9501, 1R12-552, 69662, 90557212, 9055721 For Neway/Holland Suspension

    Air Spring Rolling Lobe Replaces 9501, 1R12-552, 69662, 90557212, 9055721 For Neway/Holland Suspension

    AFTERMARKET

    $284.99
    Air Spring Rolling Lobe For Neway/ Holland Rear Suspension* High Quality Air Spring* Continental Brand* Rolling Lobe* Load At 80 PSI - 5600 Lbs* Load At 100 PSI - 7100 Lbs* Natural Frequency 64 CPM...
    29-05100143
    SKU:
    29-05100143
    Product Type:
    Frame & Chassis
    Material Options:
    Plastic/Poly
    Diameter Options:
    9 Inch
    Height Options:
    16 Inch
    Style Options:
    Rolling Lobe
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $284.99
    Qty in Cart: 0
    Price:
    $284.99
    Subtotal:
  • Air Spring Rolling Lobe Replaces 64414. 910-185P551. 9649. W01-358-9649. W01-675-9649. 90557252 For Holland/Neway Suspension

    Air Spring Rolling Lobe Replaces 64414. 910-185P551. 9649. W01-358-9649. W01-675-9649. 90557252 For Holland/Neway Suspension

    AFTERMARKET

    $223.99
    Air Spring Rolling Lobe- 12.50 Inch Design Height For Holland, Neway Suspensions* High Quality Air Spring* Rolling Lobe Type* 5900 Load At 80 PSI* 7500 Load At 100 PSI* 57 CPM Natural Frequency*...
    29-05100108
    SKU:
    29-05100108
    Diameter Options:
    9 Inch
    Height Options:
    12 1/2 Inch
    Style Options:
    Rolling Lobe
    Material Options:
    Plastic/Poly
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $223.99
    Qty in Cart: 0
    Price:
    $223.99
    Subtotal:
  • Air Spring Rolling Lobe Replaces 68614. 9 10-18.5 P 097. 9654. W01-358-9654. W01-455-9654. 65032-002. 65032-2 For Hendrickson Suspensions

    Air Spring Rolling Lobe Replaces 68614. 9 10-18.5 P 097. 9654. W01-358-9654. W01-455-9654. 65032-002. 65032-2 For Hendrickson Suspensions

    AFTERMARKET

    $287.99
    Air Spring Rolling Lobe For Hendrickson Rear Primaax & EX/ Firemaax & EX* High Quality Air Spring* Rolling Lobe Type* 5900 Load At 80 PSI* 7500 Load At 100 PSI* 57 CPM Natural Frequency* Plastic...
    29-05100110
    SKU:
    29-05100110
    Material Options:
    Plastic/Poly
    Product Type:
    Frame & Chassis
    Diameter Options:
    9 Inch
    Style Options:
    Rolling Lobe
    Height Options:
    12 1/2 Inch
    Make:
    Universal Items
    $287.99
    Qty in Cart: 0
    Price:
    $287.99
    Subtotal:
  • Stainless Steel Vent Door Striker Plate For Trailer

    Stainless Steel Vent Door Striker Plate For Trailer

    TRAMEC SLOAN

    $1.96
    Vent Door Striker Plate* High Quality Striker Plate* For Vent Door* Built-In Anti Theft Capability* Spring Assisted Pressure Closing Feature* Stainless Steel* Sold Individually* Warranty On Striker...
    19-02700112
    SKU:
    19-02700112
    Material Options:
    Stainless Steel
    Product Type:
    Trailer
    Make:
    Universal Items
    $1.96
    Qty in Cart: 0
    Price:
    $1.96
    Subtotal:
  • Steel Trailer Hub Cap Clip- 3 Clips For Trailer

    Steel Trailer Hub Cap Clip- 3 Clips For Trailer

    GRAND GENERAL

    $3.98
    Steel Trailer Hub Cap Clip- Sold as Set* High Quality Trailer Hub Cap Clip* (3) Clips* Spring Steel* 5/16 Inch Diameter Hole* Sold As Set* Warranty On Trailer Hub Cap Clips Against Defects In...
    19-2004006
    SKU:
    19-2004006
    Material Options:
    Steel
    Product Type:
    Trailer
    Diameter Options:
    5/16 Inch
    Make:
    Universal Items
    $3.98
    Qty in Cart: 0
    Price:
    $3.98
    Subtotal:
  • 24 Inch Stainless Steel Mud Flap Weight- Great Dane Trailers Text For Trailer

    24 Inch Stainless Steel Mud Flap Weight- Great Dane Trailers Text For Trailer

    VALLEY CHROME PLATING

    $192.99
    Great Dane Trailers Text Stainless Steel Mud Flap Weight* High Quality Mud Flap Weight* Great Dane Trailers Text* 11 Gauge Stainless Steel* 24 Inch Width* Made In USA* Sold As Pair* Warranty On Mud...
    19-05070002
    SKU:
    19-05070002
    Product Type:
    Trailer
    Size Options:
    11 Gauge
    Location:
    Made In USA
    Width Options:
    24 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $192.99
    Qty in Cart: 0
    Price:
    $192.99
    Subtotal:
  • Stainless Steel Vent Door Keeper Bracket For Trailer

    Stainless Steel Vent Door Keeper Bracket For Trailer

    TRAMEC SLOAN

    $2.42
    Vent Door Keeper Bracket* High Quality Keeper Bracket* For Vent Door* Built-In Anti Theft Capability* Spring Assisted Pressure Closing Feature* Stainless Steel* Sold Individually* Warranty On Keeper...
    19-02700111
    SKU:
    19-02700111
    Material Options:
    Stainless Steel
    Product Type:
    Trailer
    Make:
    Universal Items
    $2.42
    Qty in Cart: 0
    Price:
    $2.42
    Subtotal:
  • Chrome Plastic Lady Waving Accent

    Chrome Plastic Lady Waving Accent

    GRAND GENERAL

    $9.65
    Chrome Lady Waving Accent* High Quality Waving Accent* Waving Sitting Lady* With Strong 3 Way Suction Cup And Spring* Chrome Plastic* 5-1/4 Inch Height* 3-1/4 Inch Width* Sold As Pair* Warranty On...
    09-220000034
    SKU:
    09-220000034
    Material Options:
    Plastic/Poly
    Finish Options:
    Chrome-Plated
    Product Type:
    Apparel
    Make:
    Universal Items
    Width Options:
    3 1/4 Inch
    Height Options:
    5 Inch
    Ready To Ship:
    Yes
    $9.65
    Qty in Cart: 0
    Price:
    $9.65
    Subtotal:
  • Chrome Front Hubdometer Cap With 4 Notches

    Chrome Front Hubdometer Cap With 4 Notches

    GRAND GENERAL

    $10.01
    4 Notch Front Hubdometer Cap* High Quality Front Hubdometer Cap* 1? Long Lip For Aluminum Wheel* (4) Notches* (4) Clips* For 20?, 22.5? And 24.5? Wheels With 8-23/32? Diameter Center Hole* Chrome...
    09-20200578
    SKU:
    09-20200578
    Product Type:
    Wheels
    Finish Options:
    Chrome-Plated
    Position:
    Front
    Material Options:
    Steel
    Make:
    Universal Items
    Height Options:
    1 3/4 Inch
    $10.01
    Qty in Cart: 0
    Price:
    $10.01
    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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