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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 10 Hole Brake Drum Replaces 3647, 3757, 1670176C1, 2605073C1, 55353F, 56353B, 56353F, 66353, 66353B, 66353F

    16.50 X 7.00 Inch 10 Hole Brake Drum Replaces 3647, 3757, 1670176C1, 2605073C1, 55353F, 56353B, 56353F, 66353, 66353B, 66353F

    AUTOMANN USA

    $341.99
    16.50 X 7.00 Inch 10 Hole Brake DrumUpgrade your truck's braking system with the 16.50 x 7.00 Inch 10 Hole Brake Drum, engineered for durability, precision, and consistent stopping performance. This...
    09-051700023
    SKU:
    09-051700023
    Height Options:
    7 Inch
    Diameter Options:
    16 1/2 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $341.99
    Qty in Cart: 0
    Price:
    $341.99
    Subtotal:
  • 30.25 Inch Post Style Round End Mount Fender Bracket

    30.25 Inch Post Style Round End Mount Fender Bracket

    TRAMEC SLOAN

    $109.99
    Post Style Round End Mount Fender BracketReinforce your fenders with the 30.25 Inch Post Style Round End Mount Fender Bracket, designed to provide secure and long-lasting support. Made from steel...
    09-11100046
    SKU:
    09-11100046
    Length Options:
    30 Inch
    Color:
    Black
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Location:
    Made In USA
    Type Options:
    Flush Mount
    Material Options:
    Steel
    Ready To Ship:
    Yes
    $109.99
    Qty in Cart: 0
    Price:
    $109.99
    Subtotal:
  • Automatic Slack Adjuster Clevis Pin Kit

    Automatic Slack Adjuster Clevis Pin Kit

    AUTOMANN USA

    $2.99
    Clevis Pin Kit With 1/4 and 1/2 Inch PinsMaintain your fleet's braking efficiency with the Automatic Slack Adjuster Clevis Pin Kit, engineered for precision and reliability in heavy-duty truck...
    09-051700028
    SKU:
    09-051700028
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Position:
    Kit Full
    Ready To Ship:
    Yes
    $2.99
    Qty in Cart: 0
    Price:
    $2.99
    Subtotal:
  • Black Steel Air Tank 9.50 X 22.50 Inch Replaces 19840, 19841, 461003, 461012, 2001A, 11019, 035104, 035106

    Black Steel Air Tank 9.50 X 22.50 Inch Replaces 19840, 19841, 461003, 461012, 2001A, 11019, 035104, 035106

    AUTOMANN USA

    $138.99
    9.50 X 22.50 Inch Air Tank With Minimum Volume 1425 Cubic InchesImprove your truck's air system with the Black Steel Air Tank 9.50 X 22.50 Inch, designed for heavy-duty reliability and professional...
    09-051400074
    SKU:
    09-051400074
    Diameter Options:
    9 1/2 Inch
    Color:
    Black
    Product Type:
    Frame & Chassis
    Material Options:
    Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $138.99
    Qty in Cart: 0
    Price:
    $138.99
    Subtotal:
  • Right Hand S Camshaft Replaces E14821, E2446B, E5511, 2210D6868, 2210U8159, 17-724

    Right Hand S Camshaft Replaces E14821, E2446B, E5511, 2210D6868, 2210U8159, 17-724

    AUTOMANN USA

    $46.11
    Meritor Q+ S Camshaft-Head Style 7Ensure peak braking efficiency with the Right Hand S Camshaft, a durable Meritor camshaft built for heavy-duty applications. Designed with Head Style 7, 1.5-inch 28...
    09-051700018
    SKU:
    09-051700018
    Product Type:
    Engine Parts
    Position:
    Passenger Side
    Make:
    Universal Items
    $46.11
    Qty in Cart: 0
    Price:
    $46.11
    Subtotal:
  • Full Radius Black Poly Fender

    Full Radius Black Poly Fender

    TRAMEC SLOAN

    $164.99
    Black Poly Full Radius FenderThe Full Radius Black Poly Fender delivers strength, reliability, and style for trucks with 22-24 inch wheels. Constructed from premium injection-molded plastic, it...
    09-11050017
    SKU:
    09-11050017
    Color:
    Black
    Product Type:
    Rear Fenders
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Location:
    Made In USA
    Type Options:
    Full Radius Fender
    $164.99
    Qty in Cart: 0
    Price:
    $164.99
    Subtotal:
  • 45 Ton 6- Hole Air Compensated Pintle Hook Kit W/ Brake Chamber Bracket

    45 Ton 6- Hole Air Compensated Pintle Hook Kit W/ Brake Chamber Bracket

    BUYERS PRODUCTS

    $555.99
    45 Ton 6- Hole Air Compensated Pintle Hook KitTake on heavy loads with the 45 Ton 6-Hole Air Compensated Pintle Hook Kit, engineered for professional truckers who demand strength and durability...
    09-05110271
    SKU:
    09-05110271
    Product Type:
    Frame & Chassis
    Material Options:
    Steel
    Finish Options:
    Black Powder Coat
    Color:
    Black
    Make:
    Universal Items
    $555.99
    Qty in Cart: 0
    Price:
    $555.99
    Subtotal:
  • 16.50 X 5.00 Inch 10 Hole Brake Drum Replaces 10005332, 10014756, 107453, N42A107453, 3598, 3598X, 3758X, 85123383002, 65151, 65151B

    16.50 X 5.00 Inch 10 Hole Brake Drum Replaces 10005332, 10014756, 107453, N42A107453, 3598, 3598X, 3758X, 85123383002, 65151, 65151B

    AUTOMANN USA

    $326.99
    10 Hole 16.50 X 5.00 Inch Brake Drum With 8.78 Center Hub DiameterPrecision meets durability in this 16.50 x 5.00 Inch 10 Hole Brake Drum, engineered to replace multiple OEM brake drums with exacting...
    09-051700029
    SKU:
    09-051700029
    Height Options:
    5 Inch
    Diameter Options:
    16 1/2 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $326.99
    Qty in Cart: 0
    Price:
    $326.99
    Subtotal:
  • 16.50 X 5.00 Inch 10 Hole Brake Drum Replaces 10005331, 10020147, 3573, 3710, 1660600C2, 1660600C3, 4115968C1, 85123383002, 0202139, 65710, 55710B, 78401B

    16.50 X 5.00 Inch 10 Hole Brake Drum Replaces 10005331, 10020147, 3573, 3710, 1660600C2, 1660600C3, 4115968C1, 85123383002, 0202139, 65710, 55710B, 78401B

    AUTOMANN USA

    $284.99
    10 Hole 16.50 X 5.00 Inch Brake DrumKeep your truck operating safely with the 16.50 x 5.00 Inch 10 Hole Brake Drum, a high-quality, balanced drum designed for heavy-duty braking systems. With 10 bolt...
    09-051700020
    SKU:
    09-051700020
    Width Options:
    5 Inch
    Diameter Options:
    16 1/2 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $284.99
    Qty in Cart: 0
    Price:
    $284.99
    Subtotal:
  • 50 GPM 1.25 Inch Return Line Filter W/ 10 Micron & 25 PSI Bypass

    50 GPM 1.25 Inch Return Line Filter W/ 10 Micron & 25 PSI Bypass

    BUYERS PRODUCTS

    $60.99
    50 GPM 1.25 Inch Return Line FilterDeliver superior hydraulic protection with the 50 GPM 1.25 Inch Return Line Filter, a durable, high-performance solution for high-demand systems. With a 10-micron...
    09-02500266
    SKU:
    09-02500266
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $60.99
    Qty in Cart: 0
    Price:
    $60.99
    Subtotal:
  • Steel Hydraulic Filter Bracket

    Steel Hydraulic Filter Bracket

    BUYERS PRODUCTS

    $16.95
    Hydraulic Filter BracketThe Steel Hydraulic Filter Bracket is your go-to solution for reliable filter mounting in hydraulic systems. Designed for HFA1, HFA2, and HFA3 series assemblies, this carbon...
    09-02500267
    SKU:
    09-02500267
    Material Options:
    Steel
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $16.95
    Qty in Cart: 0
    Price:
    $16.95
    Subtotal:
  • Steel 50 Ton Heavy Duty Swivel Type Pintle Hook

    Steel 50 Ton Heavy Duty Swivel Type Pintle Hook

    BUYERS PRODUCTS

    $615.99
    50 Ton Heavy Duty Swivel Type Pintle HookEngineered for powerful towing, the Steel 50 Ton Heavy Duty Swivel Type Pintle Hook combines strength, safety, and precision. Its swivel action allows for...
    09-0511076
    SKU:
    09-0511076
    Product Type:
    Frame & Chassis
    Material Options:
    Steel
    Color:
    Black
    Style Options:
    Swivel
    Finish Options:
    Black Powder Coat
    Make:
    Universal Items
    Width Options:
    6 1/4 Inch
    Length Options:
    15 1/4 Inch
    $615.99
    Qty in Cart: 0
    Price:
    $615.99
    Subtotal:
  • 16.50 X 7.00 Inch 10 Hole Brake Drum Replaces 10001776, 10001778, 10001800, 10009830, 107150, 3570AX, 3600A, 3922X, 85123207002, 306613, 305449, 03-05449, 66864, 66874

    16.50 X 7.00 Inch 10 Hole Brake Drum Replaces 10001776, 10001778, 10001800, 10009830, 107150, 3570AX, 3600A, 3922X, 85123207002, 306613, 305449, 03-05449, 66864, 66874

    AUTOMANN USA

    $214.99
    10 Hole 16.50 X 7.00 Inch Brake DrumBuilt for trucks that demand excellence in braking, the 16.50 x 7.00 Inch 10 Hole Brake Drum features precision balancing, 10 bolt holes at 1.0 inch, 8.0-inch...
    09-051700021
    SKU:
    09-051700021
    Diameter Options:
    16 1/2 Inch
    Height Options:
    7 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $214.99
    Qty in Cart: 0
    Price:
    $214.99
    Subtotal:
  • 24 X 24 Inch Black Aerodynamic Mud Flap

    24 X 24 Inch Black Aerodynamic Mud Flap

    TRAMEC SLOAN

    $44.28
    24 X 24 Inch Aerodynamic Mud FlapProtect your rig and surrounding vehicles with the 24 X 24 Inch Black Aerodynamic Mud Flap, engineered to withstand the toughest road conditions. Its AF 24 AeroFlap...
    09-050700266
    SKU:
    09-050700266
    Material Options:
    Rubber
    Product Type:
    Mud Flaps
    Height Options:
    24 Inch
    Color:
    Black
    Width Options:
    24 Inch
    Make:
    Universal Items
    Location:
    Made In USA
    Ready To Ship:
    Yes
    $44.28
    Qty in Cart: 0
    Price:
    $44.28
    Subtotal:
  • 26 GPM 1 Inch In- Tank Filter W/ 25 Micron & 25 PSI Bypass

    26 GPM 1 Inch In- Tank Filter W/ 25 Micron & 25 PSI Bypass

    BUYERS PRODUCTS

    $138.99
    26 GPM 1 Inch In- Tank FilterRely on the 26 GPM 1 Inch In-Tank Filter to keep your fuel system clean and operating efficiently. With 25-micron filtration, 25 PSI bypass, and a 26 GPM flow rate, it...
    09-02500264
    SKU:
    09-02500264
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $138.99
    Qty in Cart: 0
    Price:
    $138.99
    Subtotal:
  • 35 Gallon Aluminum Side Mount Cylindrical Reservoir- 24 X 19 Inch

    35 Gallon Aluminum Side Mount Cylindrical Reservoir- 24 X 19 Inch

    BUYERS PRODUCTS

    $1,069.99
    35 Gallon Side Mount Cylindrical ReservoirBuilt for strength and reliability, the 35 Gallon Aluminum Side Mount Cylindrical Reservoir offers a premium hydraulic fluid storage solution. Constructed...
    09-02500265
    SKU:
    09-02500265
    Capacity:
    35 Gallons
    Product Type:
    Cargo Control
    Diameter Options:
    24 Inch
    Material Options:
    Aluminum
    Shape Options:
    Cylindrical
    Length Options:
    19 Inch
    Type Options:
    Side Mount
    Make:
    Universal Items
    $1,069.99
    Qty in Cart: 0
    Price:
    $1,069.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    38 Inch Stainless Steel Aero Sleeper Panel W/ 12 Combo Light Holes

    38 Inch Stainless Steel Aero Sleeper Panel W/ 12 Combo Light Holes

    ROADWORKS

    Now: $56.00
    Was: $182.99
    38 Inch Aero Sleeper Panel W/ 12 Light HolesBring style, functionality, and customization to your truck cab with the 38 Inch Stainless Steel Aero Sleeper Panels. Constructed from high-quality...
    02-101200698
    SKU:
    02-101200698
    Length Options:
    38 Inch
    Product Type:
    Exterior
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Kenworth
    Ready To Ship:
    Yes
    Height Options:
    3 1/2 Inch
    Now: $56.00
    Was: $182.99
    Qty in Cart: 0
    Price:
    Now: $56.00
    Was: $182.99
    Subtotal:
  • CSM Kenworth Fuel Tank Couch With Cushions 74 X 24 1/2 Inch

    CSM Kenworth Fuel Tank Couch With Cushions 74 X 24 1/2 Inch

    CHROME SHOP MAFIA

    $1,195.99
    74 X 24.5 Inch Kenworth Fuel Tank Couch With Cushions By Chrome Shop MafiaIf you love custom truck style, you'll love the CSM Kenworth Fuel Tank Couch with Cushions from 4 State Trucks. This...
    CSMKW001
    SKU:
    CSMKW001
    Width Options:
    74 Inch
    Make:
    Universal Items
    Product Type:
    Apparel
    Ready To Ship:
    Yes
    Length Options:
    24 1/2 Inch
    $1,195.99
    Qty in Cart: 0
    Price:
    $1,195.99
    Subtotal:
  • CSM 50 X 24.5 Inch Chair With Cushions

    CSM 50 X 24.5 Inch Chair With Cushions

    CHROME SHOP MAFIA

    $657.99
    50 X 24.5 Inch Chair With CushionsFor truckers who like to relax in style, the CSM Kenworth Fuel Tank Couch with Cushions is the perfect addition to your space. Built by Chrome Shop Mafia, this...
    CSMKW002
    SKU:
    CSMKW002
    Length Options:
    24 Inch
    Make:
    Universal Items
    Product Type:
    Apparel
    Width Options:
    50 Inch
    Ready To Ship:
    Yes
    $657.99
    Qty in Cart: 0
    Price:
    $657.99
    Subtotal:
  • CSM Brushed Stainless Steel Bench Kit

    CSM Brushed Stainless Steel Bench Kit

    CHROME SHOP MAFIA

    $851.99
    Stainless Steel Bench Kit With Chrome Shop Mafia LogoShow off your Chrome Shop Mafia loyalty with this CSM Brushed Stainless Steel Bench Kit, built for both strength and style. This high-quality...
    CSM00209K1
    SKU:
    CSM00209K1
    Material Options:
    Stainless Steel
    Product Type:
    Apparel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $851.99
    Qty in Cart: 0
    Price:
    $851.99
    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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