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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.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • 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:
  • 15.00 X 4.00 Inch Brake Drum- 10 Hole

    15.00 X 4.00 Inch Brake Drum- 10 Hole

    AFTERMARKET

    $288.99
    10 Hole 15.00 X 4.00 Inch Brake Drum* High Quality Brake Drum* Balanced To 20 Inch - Oz* (10) 1.280 Inch Bolt Holes* For Brake SuRFace Diameter 15 Inch X 4 Inch* 8.60 Inch Overall Width* 4.72 Inch...
    09-05170218
    SKU:
    09-05170218
    Product Type:
    Frame & Chassis
    Width Options:
    8 5/8 Inch
    Make:
    Universal Items
    $288.99
    Qty in Cart: 0
    Price:
    $288.99
    Subtotal:
  • Camshaft Repair Half Kit Replaces CQ66939

    Camshaft Repair Half Kit Replaces CQ66939

    AUTOMANN USA

    $9.24
    Camshaft Repair Half KitOptimize your axle repair with the Camshaft Repair Half Kit, engineered for CQ66939 replacement. Including a washer, two camshaft bushings, three camshaft seals, an extra...
    09-05170213
    SKU:
    09-05170213
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $9.24
    Qty in Cart: 0
    Price:
    $9.24
    Subtotal:
  • MGM Spring Brake Type 30/30 Replaces 3531051X, 3531051

    MGM Spring Brake Type 30/30 Replaces 3531051X, 3531051

    AFTERMARKET

    $335.99
    Type 30/30 MGM Spring Brake- 8.00 Inch Push Rod* High Quality Spring Brake* 30/30 Type* 2.5 Inch Stroke Length* 8.0 Inch Minimum In Caged Position Lower Push Rod  - With Molded Nitrile Rubber Air...
    09-05170210
    SKU:
    09-05170210
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $335.99
    Qty in Cart: 0
    Price:
    $335.99
    Subtotal:
  • Brake Shoe Hardware Kit 142.431780, 142.431180 For Eaton

    Brake Shoe Hardware Kit 142.431780, 142.431180 For Eaton

    AUTOMANN USA

    $14.31
    Brake Shoe Hardware Kit Replaces 70326, E1418, R567502, 78580, E1428A, E1428S, R567006, 19-854Maintain reliable and safe braking with the Brake Shoe Hardware Kit for Eaton, a high-quality kit...
    09-05170189
    SKU:
    09-05170189
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $14.31
    Qty in Cart: 0
    Price:
    $14.31
    Subtotal:
  • 16.50 X 7.00 Inch 10 Hole Brake Drum Replaces 03123397002, 10001802, 107885, 123397, 34 02, 34-02, 3402, 66873, 66873F

    16.50 X 7.00 Inch 10 Hole Brake Drum Replaces 03123397002, 10001802, 107885, 123397, 34 02, 34-02, 3402, 66873, 66873F

    AFTERMARKET

    $438.99
    10 Hole 16.50 X 7.00 Inch Brake Drum* High Quality Brake Drum* (10) 1 Inch Bolt Holes* For Brake SuRFace Diameter 16.5 Inch X 7 Inch* 10.30 Inch Overall Width* 7.52 Inch Brake SuRFace Flat* 8.78 Inch...
    09-05170197
    SKU:
    09-05170197
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $438.99
    Qty in Cart: 0
    Price:
    $438.99
    Subtotal:
  • Camshaft Repair Half Kit Replaces E9791HD, S21181, R009791HD, R615022

    Camshaft Repair Half Kit Replaces E9791HD, S21181, R009791HD, R615022

    AUTOMANN USA

    $31.48
    Camshaft Repair Half KitRestore your truck's axle assembly with the Camshaft Repair Half Kit, designed for OEM replacements including E9791HD, S21181, R009791HD, and R615022. Complete with washers,...
    09-05170211
    SKU:
    09-05170211
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $31.48
    Qty in Cart: 0
    Price:
    $31.48
    Subtotal:
  • Brake Shoe Hardware Kit Replaces 52243, E1887AHD. E1887ASHD, E1887HD, E4311EHDB, E4311HD, MBCBK0030, CQ67319, R507002, R507002BK, R507002BULK, 241SS, 24A

    Brake Shoe Hardware Kit Replaces 52243, E1887AHD. E1887ASHD, E1887HD, E4311EHDB, E4311HD, MBCBK0030, CQ67319, R507002, R507002BK, R507002BULK, 241SS, 24A

    AUTOMANN USA

    $15.34
    Brake Shoe Hardware Kit 142.431780, 142.431180Upgrade your brakes with confidence using the Brake Shoe Hardware Kit, a premium replacement for numerous OEM models including 52243, E1887HD, E4311HD,...
    09-05170190
    SKU:
    09-05170190
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $15.34
    Qty in Cart: 0
    Price:
    $15.34
    Subtotal:
  • 1/2 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8593

    1/2 X 3/8 Inch Brass Hose Coupling W/ Spring Replaces E8593

    AUTOMANN USA

    $14.07
    1/2 X 3/8 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 1/2 Inch Inner Diameter Hose End* 3/8...
    09-05170178
    SKU:
    09-05170178
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $14.07
    Qty in Cart: 0
    Price:
    $14.07
    Subtotal:
  • 15.00 X 4.00 10 Hole Brake Drum Replaces 3667, 3667X, 65542, 65542B

    15.00 X 4.00 10 Hole Brake Drum Replaces 3667, 3667X, 65542, 65542B

    AFTERMARKET

    $489.99
    10 Hole 15.00 X 4.00 Brake Drum* High Quality Brake Drum* Balanced To 20 Inch - Oz* (10) 0.810 Inch Bolt Holes* For Brake SuRFace Diameter 15 Inch X 4 Inch* 8.74 Inch Overall Width* 4.50 Inch Brake...
    09-05170196
    SKU:
    09-05170196
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $489.99
    Qty in Cart: 0
    Price:
    $489.99
    Subtotal:
  • Brake Shoe Hardware Kit 142.422381, 142.431781, 142.431181, 142.467480 For Eaton

    Brake Shoe Hardware Kit 142.422381, 142.431781, 142.431181, 142.467480 For Eaton

    AUTOMANN USA

    $20.94
    Brake Shoe Hardware Kit Replaces E3801, CQ69004, E507003, R507077, 241AFKeep your braking system operating at peak performance with the Brake Shoe Hardware Kit for Eaton, a high-quality kit designed...
    09-05170188
    SKU:
    09-05170188
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $20.94
    Qty in Cart: 0
    Price:
    $20.94
    Subtotal:
  • 16.50 X 5.00 Inch 12K RSD Brake Shoe Kit Replaces 314146, R507094, 818278, E10197, E5479A, R567503, 19-915

    16.50 X 5.00 Inch 12K RSD Brake Shoe Kit Replaces 314146, R507094, 818278, E10197, E5479A, R567503, 19-915

    AFTERMARKET

    $177.99
    16.50 X 5.00 Inch 12K RSD Brake Shoe Kit* High Quality Brake Shoe Box Kit* Eaton ES2 Type* Open Anchor End* Open Roller End* Double Web* 12K Lbs RSD Value* Kit Includes:  - (2) Lined Brake Shoes  -...
    09-05170179
    SKU:
    09-05170179
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $177.99
    Qty in Cart: 0
    Price:
    $177.99
    Subtotal:
  • 3/8 X 1/4 Inch Brass Hose Coupling W/ Spring Replaces E8590

    3/8 X 1/4 Inch Brass Hose Coupling W/ Spring Replaces E8590

    AUTOMANN USA

    $7.37
    3/8 X 1/4 Inch Hose Coupling W/ Spring* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 3/8 Inch Inner Diameter Hose End* 1/4...
    09-05170174
    SKU:
    09-05170174
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $7.37
    Qty in Cart: 0
    Price:
    $7.37
    Subtotal:
  • 15.00 X 4.00 Inch 20K Brake Shoe Kit Replaces KSF5571308E

    15.00 X 4.00 Inch 20K Brake Shoe Kit Replaces KSF5571308E

    AFTERMARKET

    $105.99
    15.00 X 4.00 Inch 20K Brake Shoe Kit* High Quality Brake Shoe Box Kit* Eaton ES2 Type* Open Anchor End* Open Roller End* Single Web* 20K Lbs Value* Kit Includes:  - (2) Lined Brake Shoes  - (1) 7...
    09-05170187
    SKU:
    09-05170187
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $105.99
    Qty in Cart: 0
    Price:
    $105.99
    Subtotal:
  • 1/2 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8594

    1/2 X 1/2 Inch Brass Hose Coupling W/ Spring Replaces E8594

    AUTOMANN USA

    $13.67
    1/2 X 1/2 Inch Hose Coupling W/ SpringKeep your air brake system functioning properly with the 1/2 x 1/2 Inch Brass Hose Coupling with Spring. Built to replace E8594, it features a secure 1/2-inch...
    09-05170177
    SKU:
    09-05170177
    Material Options:
    Brass
    Diameter Options:
    1/2 Inch
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $13.67
    Qty in Cart: 0
    Price:
    $13.67
    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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