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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
  • 16.50 X 7.00 Inch 23K Brake Shoe Kit Replaces E7242

    16.50 X 7.00 Inch 23K Brake Shoe Kit Replaces E7242

    AFTERMARKET

    $216.99
    BPW Type 16.50 X 7.00 Inch 23K Brake Shoe KitOptimize your truck's braking performance with the 16.50 X 7.00 Inch 23K Brake Shoe Kit, designed to replace E7242. This BPW type kit features 16.5-inch...
    09-05170268
    SKU:
    09-05170268
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $216.99
    Qty in Cart: 0
    Price:
    $216.99
    Subtotal:
  • Spring Brake Type 30/30 Long Stroke Welded Replaces K067777, GC3030LS4CW

    Spring Brake Type 30/30 Long Stroke Welded Replaces K067777, GC3030LS4CW

    AFTERMARKET

    $144.99
    Type 30/30 Long Stroke Welded Spring Brake- 3.00 Inch Stroke & 11.00 Inch Push RodSafety and reliability are essential for any heavy-duty truck, and the Spring Brake Type 30/30 Long Stroke Welded...
    09-05170291
    SKU:
    09-05170291
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $144.99
    Qty in Cart: 0
    Price:
    $144.99
    Subtotal:
  • 15.00 X 4.00 Inch 23K Brake Shoe Kit Replaces R507004, 54A

    15.00 X 4.00 Inch 23K Brake Shoe Kit Replaces R507004, 54A

    AFTERMARKET

    $98.99
    Eaton Type 15.00 X 4.00 Inch 23K Brake Shoe KitExperience superior braking performance with the 15.00 X 4.00 Inch 23K Brake Shoe Kit. This Eaton EB type kit features a 15-inch drum diameter, 4-inch...
    09-05170256
    SKU:
    09-05170256
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $98.99
    Qty in Cart: 0
    Price:
    $98.99
    Subtotal:
  • 16.50 X 8.625 Inch 10 Hole Brake Drum Replaces 53-123771-002, 53123771002, 600014HD, 600026B

    16.50 X 8.625 Inch 10 Hole Brake Drum Replaces 53-123771-002, 53123771002, 600014HD, 600026B

    AFTERMARKET

    $548.99
    10 Hole 16.50 X 8.625 Inch Brake DrumStay confident behind the wheel with this 16.50 X 8.625 Inch 10 Hole Brake Drum. Designed to handle extreme braking demands, this premium-quality drum uses a...
    09-05170241
    SKU:
    09-05170241
    Product Type:
    Frame & Chassis
    Width Options:
    11 Inch
    Make:
    Universal Items
    $548.99
    Qty in Cart: 0
    Price:
    $548.99
    Subtotal:
  • 16.50 X 8.625 Inch 23K Brake Shoe Kit

    16.50 X 8.625 Inch 23K Brake Shoe Kit

    AFTERMARKET

    $158.99
    Eaton ES2 Type 16.50 X 8.625 Inch 23K Brake Shoe Kit* High Quality Brake Shoe Box Kit* Eaton ES2 Type* Open Anchor End* Open Roller End* Double Web* 23K Lbs Value* Kit Includes:  - (2) Unlined Brake...
    09-05170250
    SKU:
    09-05170250
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $158.99
    Qty in Cart: 0
    Price:
    $158.99
    Subtotal:
  • MGM Spring Brake Piston Type Replaces MJS3028ET051

    MGM Spring Brake Piston Type Replaces MJS3028ET051

    AFTERMARKET

    $883.99
    MGM Spring Brake Piston Type- 3.0 Inch StrokeMaximize your truck's braking reliability with the MGM Spring Brake Piston Type. This high-quality 30/28 spring brake features a 3-inch stroke, 8-inch...
    09-05170266
    SKU:
    09-05170266
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $883.99
    Qty in Cart: 0
    Price:
    $883.99
    Subtotal:
  • MGM ADB Spring Brake Type 16/24 Replaces TRB1624DT051

    MGM ADB Spring Brake Type 16/24 Replaces TRB1624DT051

    AFTERMARKET

    $524.99
    Type 16/24 MGM ADB Spring Brake- 2.50 Inch StrokeWhen every stop counts, the MGM ADB Spring Brake Type 16/24 gives your truck the precision and control it deserves. Designed to replace TRB1624DT051,...
    09-05170245
    SKU:
    09-05170245
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $524.99
    Qty in Cart: 0
    Price:
    $524.99
    Subtotal:
  • MGM ADB Spring Brake Type 18/24 Replaces K043329, GC1824D, TRB1824DT051

    MGM ADB Spring Brake Type 18/24 Replaces K043329, GC1824D, TRB1824DT051

    AFTERMARKET

    $539.99
    Type 18/24 MGM ADB Spring Brake- 2.50 Inch StrokeDon't settle for average braking performance when you can upgrade to the MGM ADB Spring Brake Type 18/24. This top-tier spring brake chamber is...
    09-05170230
    SKU:
    09-05170230
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $539.99
    Qty in Cart: 0
    Price:
    $539.99
    Subtotal:
  • 12.00 X 4.00 Inch Emergency Brake Shoe Set

    12.00 X 4.00 Inch Emergency Brake Shoe Set

    AFTERMARKET

    $112.99
    Emergency Brake Shoe Set-12.00 X 4.00 InchRestore your rig's stopping power with the 12.00 X 4.00 Inch Emergency Brake Shoe Set from 4 State Trucks. Each component in this high quality brake shoe kit...
    09-05170240
    SKU:
    09-05170240
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $112.99
    Qty in Cart: 0
    Price:
    $112.99
    Subtotal:
  • 16.50 X 8.625 Inch 20K Brake Shoe Kit

    16.50 X 8.625 Inch 20K Brake Shoe Kit

    AFTERMARKET

    $156.99
    Eaton ES2 Type 16.50 X 8.625 Inch 20K Brake Shoe Kit* High Quality Brake Shoe Box Kit* Eaton ES2 Type* Open Anchor End* Open Roller End* Double Web* 20K Lbs Value* Kit Includes:  - (2) Unlined Brake...
    09-05170249
    SKU:
    09-05170249
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $156.99
    Qty in Cart: 0
    Price:
    $156.99
    Subtotal:
  • 6.5 Inch Gunite Type Automatic Slack Adjuster Replaces E15058, AS1175

    6.5 Inch Gunite Type Automatic Slack Adjuster Replaces E15058, AS1175

    AFTERMARKET

    $85.99
    6.5 Inch Automatic Slack Adjuster* High Quality Slack Adjuster* Automatic-Gunite Type* For Welded Clevis Chambers With 1.30 Inch Center To Center* 6.5 Inch Center To Center Arm Length* 1.5 Inch...
    09-05170238
    SKU:
    09-05170238
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $85.99
    Qty in Cart: 0
    Price:
    $85.99
    Subtotal:
  • 16.50 X 7.00 Inch 20K Brake Shoe Kit

    16.50 X 7.00 Inch 20K Brake Shoe Kit

    AFTERMARKET

    $152.99
    Fruehauf XEM Type 16.50 X 7.00 Inch Brake Shoe Kit- 20K* High Quality Brake Shoe Box Kit* Fruehauf XEM Type* Open Anchor End* Open Roller End* Double Web* 20K Lbs Value* Kit Includes:  - (2) Unlined...
    09-05170226
    SKU:
    09-05170226
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $152.99
    Qty in Cart: 0
    Price:
    $152.99
    Subtotal:
  • MGM Spring Brake Type 30/30 3.00 Inch Stroke Replaces EPRO3030ELS-WC, EPRO3030ELSWC, NT3030ELS-WC, NT3030ELSWC, 3230951, 3230951X

    MGM Spring Brake Type 30/30 3.00 Inch Stroke Replaces EPRO3030ELS-WC, EPRO3030ELSWC, NT3030ELS-WC, NT3030ELSWC, 3230951, 3230951X

    AFTERMARKET

    $285.99
    Type 30/30 MGM Spring Brake- 3.00 Inch Stroke* High Quality Spring Brake* 30/30 Type* Welded Clevis* 3 Inch Long Stroke* 2.250" In Caged Lower Position Push Rod  - Molded Nitrile Rubber Air Seal*...
    09-05170229
    SKU:
    09-05170229
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $285.99
    Qty in Cart: 0
    Price:
    $285.99
    Subtotal:
  • Type 30 Service Chamber W/ 2.25 Inch Push Rod & Standard Stroke Replaces K058721, SC30CW, 1430901

    Type 30 Service Chamber W/ 2.25 Inch Push Rod & Standard Stroke Replaces K058721, SC30CW, 1430901

    AFTERMARKET

    $70.99
    Type 30 Service Chamber W/ Standard Stroke & Welded ClevisFor drivers who demand lasting reliability, this Type 30 Service Chamber with 2.25-inch Push Rod & Standard Stroke offers outstanding value...
    09-05170239
    SKU:
    09-05170239
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $70.99
    Qty in Cart: 0
    Price:
    $70.99
    Subtotal:
  • 16.50 X 7.00 Inch 23K Brake Shoe Kit

    16.50 X 7.00 Inch 23K Brake Shoe Kit

    AFTERMARKET

    $156.99
    Fruehauf XEM Type 16.50 X 7.00 Inch Brake Shoe Kit- 23K* High Quality Brake Shoe Box Kit* Fruehauf XEM Type* Open Anchor End* Open Roller End* Double Web* 23K Lbs Value* Kit Includes:  - (2) Unlined...
    09-05170227
    SKU:
    09-05170227
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $156.99
    Qty in Cart: 0
    Price:
    $156.99
    Subtotal:
  • Camshaft Repair Half Kit Replaces 4370901

    Camshaft Repair Half Kit Replaces 4370901

    AUTOMANN USA

    $26.98
    Camshaft Repair Half KitMaintain optimal axle function with the Camshaft Repair Half Kit, engineered to replace 4370901. Equipped with six washers, two lock rings, a camshaft bracket, a bushing, and...
    09-05170214
    SKU:
    09-05170214
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $26.98
    Qty in Cart: 0
    Price:
    $26.98
    Subtotal:
  • 16.50 X 7.00 Inch 25K Brake Shoe Kit

    16.50 X 7.00 Inch 25K Brake Shoe Kit

    AFTERMARKET

    $155.99
    Meritor Q Type 16.50 X 7.00 Inch Brake Shoe Kit- 25KKeep your truck braking system performing safely and efficiently with this 16.50 X 7.00 Inch 25K Brake Shoe Kit. Built for reliability, this high...
    09-05170225
    SKU:
    09-05170225
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $155.99
    Qty in Cart: 0
    Price:
    $155.99
    Subtotal:
  • MGM Spring Brake Type 30/30 3.00 Inch Stroke Replaces 3231051, 3231051X

    MGM Spring Brake Type 30/30 3.00 Inch Stroke Replaces 3231051, 3231051X

    AFTERMARKET

    $317.99
    Type 30/30 MGM Spring Brake- 3.00 Inch Stroke* High Quality Spring Brake* 30/30 Type* 3 Inch Stroke Length* 8.0" Minimum In Caged Position Lower Push Rod  - With Molded Nitrile Rubber Air Seal*...
    09-05170228
    SKU:
    09-05170228
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $317.99
    Qty in Cart: 0
    Price:
    $317.99
    Subtotal:
  • 16.50 X 7.00 10 Hole Easy- Roll Brake Drum

    16.50 X 7.00 10 Hole Easy- Roll Brake Drum

    AFTERMARKET

    $403.99
    Easy- Roll 16.50 X 7.00 Inch Brake DrumUpgrade your braking system with the 16.50 X 7.00 10 Hole Easy-Roll Brake Drum, engineered to deliver smooth operation and long-term durability. Cast iron...
    09-05170215
    SKU:
    09-05170215
    Width Options:
    10 5/8 Inch
    Material Options:
    Cast Iron
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $403.99
    Qty in Cart: 0
    Price:
    $403.99
    Subtotal:
  • MGM Spring Brake Type 30/30 2.50 Inch Stroke Replaces EPRO3030STD-WC, EPRO3030STDWC, NT3030STD-WC, NT3030STDWC, 3430951, 3430951X

    MGM Spring Brake Type 30/30 2.50 Inch Stroke Replaces EPRO3030STD-WC, EPRO3030STDWC, NT3030STD-WC, NT3030STDWC, 3430951, 3430951X

    AFTERMARKET

    $286.99
    Type 30/30 MGM Spring Brake- 2.50 Inch Push Rod* High Quality Spring Brake* 30/30 Type* Welded Clevis* 2-1/2 Inch Stroke Length* 2-1/4 Inch In Caged Lower Position Push Rod  - Molded Nitrile Rubber...
    09-05170205
    SKU:
    09-05170205
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $286.99
    Qty in Cart: 0
    Price:
    $286.99
    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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