null

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
  • Expansion Valve Replaces 4475001482, 31-31218

    Expansion Valve Replaces 4475001482, 31-31218

    AFTERMARKET

    $60.99
    2.895 X 1.00 X 1.390 Inch Block Type Expansion ValveEnsure efficient airflow and temperature regulation with this heavy-duty expansion valve. Designed to replace 4475001482 and 31-31218, this 1 Ton...
    29-07000010
    SKU:
    29-07000010
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $60.99
    Qty in Cart: 0
    Price:
    $60.99
    Subtotal:
  • Expansion Valve Replaces 101107, 140030103, 1601, 31-30956, 329499, 12-2013A

    Expansion Valve Replaces 101107, 140030103, 1601, 31-30956, 329499, 12-2013A

    AFTERMARKET

    $50.99
    8.895 X 1.000 X 1.875 Inch Block Type Expansion ValveKeep your truck's air conditioning system running at peak efficiency with this high-quality expansion valve. Designed to replace 101107,...
    29-07000012
    SKU:
    29-07000012
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • Pivot Bushing Kit Replaces 65352502

    Pivot Bushing Kit Replaces 65352502

    AFTERMARKET

    $457.99
    Pivot Bushing KitEngineered for heavy-duty suspension systems, this pivot bushing kit provides complete service coverage. The kit includes pivot bushing, eccentric and concentric collars, wear pads,...
    29-05250029
    SKU:
    29-05250029
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $457.99
    Qty in Cart: 0
    Price:
    $457.99
    Subtotal:
  • 4.813 X 40.25 Inch Aluminum Fuel Tank Step For Peterbilt, Kenworth

    4.813 X 40.25 Inch Aluminum Fuel Tank Step For Peterbilt, Kenworth

    AFTERMARKET

    $195.99
    4.813 X 40.25 Inch Fuel Tank Step Replaces K229-1169-3, K22911693Upgrade your truck's accessibility with a corrosion-resistant aluminum fuel tank step. This 40.25 x 4.813 x 1.930-inch step fits...
    29-06010002
    SKU:
    29-06010002
    Product Type:
    Fuel Tanks
    Material Options:
    Aluminum
    Length Options:
    40 Inch
    Width Options:
    4 3/4 Inch
    Make:
    Peterbilt
    Make:
    Kenworth
    Ready To Ship:
    Yes
    $195.99
    Qty in Cart: 0
    Price:
    $195.99
    Subtotal:
  • Knuckle Spacer Replaces 005208, R-005208

    Knuckle Spacer Replaces 005208, R-005208

    AFTERMARKET

    $104.99
    2.937 Inch Knuckle Spacer Used On Hendrickson Turner Lift AxleReduce alignment issues and extend component life with a knuckle spacer built for accuracy. This high-quality replacement spacer is...
    29-05200030
    SKU:
    29-05200030
    Product Type:
    Trailer
    Make:
    Universal Items
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • Cabin Mount Replaces R626013, R62-6013 For Kenworth T660, T680, Peterbilt 579

    Cabin Mount Replaces R626013, R62-6013 For Kenworth T660, T680, Peterbilt 579

    AFTERMARKET

    $183.99
    3.45 X 6.102 Inch Cabin MountMaintain cab stability and protect your truck's suspension with a high-quality cabin mount. This replacement part fits Kenworth T660, T680, and Peterbilt 579, offering...
    29-05500001
    SKU:
    29-05500001
    Product Type:
    Exterior
    Make:
    Peterbilt
    Make:
    Kenworth
    $183.99
    Qty in Cart: 0
    Price:
    $183.99
    Subtotal:
  • Cabin Mount Bushing Replaces BABNR21 For Kenworth T660, T680, Peterbilt 579

    Cabin Mount Bushing Replaces BABNR21 For Kenworth T660, T680, Peterbilt 579

    AFTERMARKET

    $110.99
    0.687 Inch ID X 2.565 Inch OD X 4.187 Inch Cabin Mount BushingKeep your truck cab stable and vibration-free with a professional-grade cabin mount bushing. This high-quality replacement fits Kenworth...
    29-05500002
    SKU:
    29-05500002
    Product Type:
    Exterior
    Make:
    Peterbilt
    Make:
    Kenworth
    $110.99
    Qty in Cart: 0
    Price:
    $110.99
    Subtotal:
  • Piston Style Type 18/24 Disc Brake Replaces K025670, MJB1824DT051, 745K025670

    Piston Style Type 18/24 Disc Brake Replaces K025670, MJB1824DT051, 745K025670

    AFTERMARKET

    $317.99
    10.120 Inch Piston Style Type 18/24 Disc Brake W/ 2.5 Inch Stroke LengthAchieve reliable and precise braking with this Piston Style Type 18/24 Disc Brake. Features a 2.5-inch stroke length, two top...
    29-05170029
    SKU:
    29-05170029
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $317.99
    Qty in Cart: 0
    Price:
    $317.99
    Subtotal:
  • Knuckle Spacer Replaces 005881, R-005881 For Hendrickson-Turner Suspension

    Knuckle Spacer Replaces 005881, R-005881 For Hendrickson-Turner Suspension

    AFTERMARKET

    $104.99
    2.562 Inch Knuckle Spacer Used On Hendrickson Turner Lift AxleUpgrade your suspension service with a knuckle spacer built for heavy-duty reliability. Replacement for 005881 and R-005881, this...
    29-05250040
    SKU:
    29-05250040
    Product Type:
    Exterior
    Make:
    Universal Items
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • Radius Arm Bushing Replaces K201635

    Radius Arm Bushing Replaces K201635

    AFTERMARKET

    $58.99
    Radius Arm Bushing Fits Rear Wheel Drive Models OnlyMinimize suspension wear and improve ride quality with a high-quality radius arm bushing. Designed to replace K201635, this bushing is engineered...
    29-05250030
    SKU:
    29-05250030
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $58.99
    Qty in Cart: 0
    Price:
    $58.99
    Subtotal:
  • Upper Rear Shock Bracket Replaces 57322003, 57322-003 For Hendrickson Suspension

    Upper Rear Shock Bracket Replaces 57322003, 57322-003 For Hendrickson Suspension

    AFTERMARKET

    $39.57
    Hendrickson Suspension Upper Rear Shock BracketSecure your rear suspension with a shock bracket engineered for strength and reliability. This high-quality Upper Rear Shock Bracket for Hendrickson...
    29-05250039
    SKU:
    29-05250039
    Position:
    Upper
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $39.57
    Qty in Cart: 0
    Price:
    $39.57
    Subtotal:
  • 15 X 4 Inch Brake Kit Replaces E4702KITB, E4702KT, E9064, E9064SHD, CQ65642, KIT8824HD, MKT4702KT, R508824, 66A

    15 X 4 Inch Brake Kit Replaces E4702KITB, E4702KT, E9064, E9064SHD, CQ65642, KIT8824HD, MKT4702KT, R508824, 66A

    AUTOMANN USA

    $17.81
    Brake Kit For 15 Inch x 4 Inch Unlined Brake ShoesKeep your brakes operating at peak efficiency with this 15 X 4 Inch Brake Kit. Complete kit includes rollers, anchor pins, bushings, coil springs,...
    29-05170021
    SKU:
    29-05170021
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $17.81
    Qty in Cart: 0
    Price:
    $17.81
    Subtotal:
  • Spigot Cap Replaces 260002, E4680, R304680 For Chalmers Suspension

    Spigot Cap Replaces 260002, E4680, R304680 For Chalmers Suspension

    AFTERMARKET

    $81.99
    0.75 Inch ID X 3.75 Inch OD Spigot CapMaintain proper alignment and prevent premature wear with a premium spigot cap. Designed for Chalmers suspension systems, this replacement part fits 260002,...
    29-05250028
    SKU:
    29-05250028
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $81.99
    Qty in Cart: 0
    Price:
    $81.99
    Subtotal:
  • Pivot Bushing Kit Replaces 0095061, R0095061

    Pivot Bushing Kit Replaces 0095061, R0095061

    AUTOMANN USA

    $758.99
    Pivot Bushing Used On Hendrickson Turner Lift AxleBring worn pivot points back to proper working condition with a complete bushing kit. This high-quality replacement kit includes all required...
    29-05200033
    SKU:
    29-05200033
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $758.99
    Qty in Cart: 0
    Price:
    $758.99
    Subtotal:
  • 2.25 Inch U- Joint Replaces 150635R91, 150635R92, 5092X, 592X, 5-92X

    2.25 Inch U- Joint Replaces 150635R91, 150635R92, 5092X, 592X, 5-92X

    AUTOMANN USA

    $21.61
    2.25 Inch U- Joint- L6N SeriesEnsure smooth and efficient driveline operation with a U-joint engineered for heavy-duty use. This 2.25 Inch U-Joint, L6N series with inside snap ring design, includes a...
    29-05210000
    SKU:
    29-05210000
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $21.61
    Qty in Cart: 0
    Price:
    $21.61
    Subtotal:
  • 16.5 X 7 Inch Brake Kit Replaces E10244, E4709EX, CQ65477, MKT4709ES2, R507064

    16.5 X 7 Inch Brake Kit Replaces E10244, E4709EX, CQ65477, MKT4709ES2, R507064

    AUTOMANN USA

    $8.55
    Brake Kit For Eaton 16.5 Inch x 7 Inch BrakesEnsure smooth and reliable brake operation with this 16.5 X 7 Inch Brake Kit for Eaton brakes. Featuring two rollers, two springs, a larger spring, and...
    29-051700026
    SKU:
    29-051700026
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $8.55
    Qty in Cart: 0
    Price:
    $8.55
    Subtotal:
  • King Pin Kit Replaces 15585841, 370904088, 370905022, 597258C91, 85125838, KIT1312, KP2748, KPK1116, R201312, R201339, SP621590, SRK-105, V1110083 For International, Chevrolet/GMC

    King Pin Kit Replaces 15585841, 370904088, 370905022, 597258C91, 85125838, KIT1312, KP2748, KPK1116, R201312, R201339, SP621590, SRK-105, V1110083 For International, Chevrolet/GMC

    AFTERMARKET

    $331.99
    King Pin Kit W/ 1.999 X 11.21 Inch King Pin & Composite BushingsOptimize your truck's steering system with this King Pin Kit. This kit includes opposite double draw key king pins, composite bushings,...
    29-05200009
    SKU:
    29-05200009
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $331.99
    Qty in Cart: 0
    Price:
    $331.99
    Subtotal:
  • King Pin Kit Replaces 003200, 1400738, R-003200, 003270, 1145696, R-003270 For Hendrickson Aux Suspension Systems

    King Pin Kit Replaces 003200, 1400738, R-003200, 003270, 1145696, R-003270 For Hendrickson Aux Suspension Systems

    AFTERMARKET

    $497.99
    King Pin Kit W/ 1.810 X 9.570 Inch King Pin & Bi-Metal BushingsSteering control and suspension longevity start with properly fitted king pins. This Hendrickson auxiliary suspension king pin kit...
    29-05200012
    SKU:
    29-05200012
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $497.99
    Qty in Cart: 0
    Price:
    $497.99
    Subtotal:
  • King Pin Kit Replaces 010300, 1469753, R010300, R-010300 For Hendrickson Aux Suspension Systems

    King Pin Kit Replaces 010300, 1469753, R010300, R-010300 For Hendrickson Aux Suspension Systems

    AFTERMARKET

    $528.99
    King Pin Kit W/ 1.813 X 9.55 Inch King Pin & Bi-Metal BushingsUpgrade worn suspension components with a king pin kit engineered for precision and strength. This kit for Hendrickson auxiliary...
    29-05200011
    SKU:
    29-05200011
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $528.99
    Qty in Cart: 0
    Price:
    $528.99
    Subtotal:
  • 16.50 X 7.00 Inch 20K Brake Shoe Box Kit

    16.50 X 7.00 Inch 20K Brake Shoe Box Kit

    AFTERMARKET

    $164.99
    20K Brake Shoe Box Kit- 16.50 X 7.00 InchHeavy loads demand braking components that won't back down. This 16.50 x 7.00 Inch Brake Shoe Box Kit is engineered for 20K axle applications and includes two...
    29-05170024
    SKU:
    29-05170024
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $164.99
    Qty in Cart: 0
    Price:
    $164.99
    Subtotal:
  • Total: items /

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).


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!