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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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  • BESTfit Power Take-Off 6 Bolt Replaces 442XBAHXA3XD

    BESTfit Power Take-Off 6 Bolt Replaces 442XBAHXA3XD

    BESTFIT TRUCK PARTS

    $1,321.99
    6 Bolt Power Take-Off By BESTfit Replaces 442XBAHXA3XDBuilt for strength and consistent performance, the BESTfit Power Take-Off 6 Bolt replaces part number 442XBAHXA3XD and is fully compatible with...
    29-07050096
    SKU:
    29-07050096
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,321.99
    Qty in Cart: 0
    Price:
    $1,321.99
    Subtotal:
  • BESTfit Power Take-Off, 12V Electric Over Hydraulic, Rotatable Output Flange For Ford F-650, F-750 W/ 6.7L Engine

    BESTfit Power Take-Off, 12V Electric Over Hydraulic, Rotatable Output Flange For Ford F-650, F-750 W/ 6.7L Engine

    BESTFIT TRUCK PARTS

    $3,589.99
    Six Bolt PowerShift Power Take-Off By BESTfit Fits FordMaximize the performance of your Ford F-650 or F-750 with the BESTfit Electric Over Hydraulic PTO, designed for seamless integration with 6.7L...
    29-07050093
    SKU:
    29-07050093
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $3,589.99
    Qty in Cart: 0
    Price:
    $3,589.99
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  • BESTfit Power Take-Off Metric Stud Kit Replaces 442GRAHXA3XD, MH6GJ01XA1SE

    BESTfit Power Take-Off Metric Stud Kit Replaces 442GRAHXA3XD, MH6GJ01XA1SE

    BESTFIT TRUCK PARTS

    $1,333.99
    Metric Stud Kit Power Take-Off By BESTfit Replaces 442GRAHXA3XD, MH6GJ01XA1SEDesigned for strength and precision, the BESTfit Power Take-Off Metric Stud Kit replaces OEM references 442GRAHXA3XD and...
    29-07050095
    SKU:
    29-07050095
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,333.99
    Qty in Cart: 0
    Price:
    $1,333.99
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  • RealWheels Replacement Aerodynamic Hub Cover

    RealWheels Replacement Aerodynamic Hub Cover

    REALWHEELS

    $95.99
    Replacement Aerodynamic Hub Cover By RealWheelsUpgrade or replace your wheel system components with the RealWheels Aerodynamic Hub Cover Replacement, built for durability, precision fit, and a...
    09-200300018
    SKU:
    09-200300018
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Product Type:
    Wheels
    Make:
    Universal Items
    $95.99
    Qty in Cart: 0
    Price:
    $95.99
    Subtotal:
  • BESTfit Power Take- Off W/ Ten Bolt Constant Mesh Remote Replaces 267XGFJPM5XD

    BESTfit Power Take- Off W/ Ten Bolt Constant Mesh Remote Replaces 267XGFJPM5XD

    BESTFIT TRUCK PARTS

    $1,476.99
    Power Take- Off With Ten Bolt Constant Mesh Remote By BESTfit Replaces 267XGFJPM5XDUpgrade your drivetrain with the BESTfit Power Take-Off with Constant Mesh Remote - Replaces 267XGFJPM5XD, designed...
    29-07050092
    SKU:
    29-07050092
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,476.99
    Qty in Cart: 0
    Price:
    $1,476.99
    Subtotal:
  • FASS Replacement Pump Return Line Fitting

    FASS Replacement Pump Return Line Fitting

    FASS

    $30.16
    Replacement Return Line Fitting For FASS Fuel PumpUpgrade or repair your fuel system with the FASS TS220G Replacement Pump Return Line Fitting, engineered for precision fitment and long-lasting...
    29-0703506
    SKU:
    29-0703506
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $30.16
    Qty in Cart: 0
    Price:
    $30.16
    Subtotal:
  • 4 Inch Incandescent P/T/C Light Kit- Amber

    4 Inch Incandescent P/T/C Light Kit- Amber

    UNITED PACIFIC

    $5.39
    4 Inch Amber Incandescent P/T/C Light KitUpgrade your vehicle's lighting system with the 4 Inch Amber Incandescent P/T/C Light Kit, designed for durability, safety, and dependable performance...
    09-16000166
    SKU:
    09-16000166
    Shape Options:
    Round
    Style Options:
    Incandescent
    Diameter Options:
    4 Inch
    Product Type:
    Lighting
    Position:
    Kit Full
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $5.39
    Qty in Cart: 0
    Price:
    $5.39
    Subtotal:
  • BESTfit Super Torque Power Take-Off W/ Out Air Shift Kit Replaces 680XRAHXV3XD

    BESTfit Super Torque Power Take-Off W/ Out Air Shift Kit Replaces 680XRAHXV3XD

    BESTFIT TRUCK PARTS

    $2,040.99
    Two Gear Heavy Duty Power Take-Off W/ Out Air Shift Kit BY BESTfit Replaces 680XRAHXV3XDUpgrade your equipment with the BESTfit Super Torque Power Take-Off without Air Shift Kit - 680XRAHXV3XD...
    29-07050091
    SKU:
    29-07050091
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $2,040.99
    Qty in Cart: 0
    Price:
    $2,040.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    4 Inch Stainless Steel Security Ring

    4 Inch Stainless Steel Security Ring

    GRAND GENERAL

    Now: $3.74
    Was: $14.17
    Security Ring 4 Inch Stainless SteelEnhance lighting protection with the 4 Inch Stainless Steel Security Lock Ring, designed for secure installation of grommet-style LED lights on heavy-duty vehicles...
    09-16020292
    SKU:
    09-16020292
    Product Type:
    Lighting
    Material Options:
    Stainless Steel
    Diameter Options:
    4 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $3.74
    Was: $14.17
    Qty in Cart: 0
    Price:
    Now: $3.74
    Was: $14.17
    Subtotal:
  • Moto Mirror Switch Assembly

    Moto Mirror Switch Assembly

    BOSTROM TRUCK SEATS

    $161.99
    Dual Motor Moto Mirror Switch AssemblyUpgrade or replace your mirror control system with the Moto Mirror Switch Assembly, engineered for strength, precision, and long-lasting operation. Built with a...
    09-1530090
    SKU:
    09-1530090
    Product Type:
    Interior
    Make:
    Universal Items
    $161.99
    Qty in Cart: 0
    Price:
    $161.99
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  • Chrome Air Valve W/ Stainless Steel Emergency Plaque

    Chrome Air Valve W/ Stainless Steel Emergency Plaque

    UNITED PACIFIC

    $16.75
    Air Valve Chrome W/ Stainless Steel Emergency PlaqueEnhance your truck's control system with the Chrome Air Valve Air Brake Knob with Stainless Steel Emergency Plaque, engineered for durability,...
    09-15010139
    SKU:
    09-15010139
    Product Type:
    Interior
    Finish Options:
    Chrome-Plated
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $16.75
    Qty in Cart: 0
    Price:
    $16.75
    Subtotal:
  • Polished Diamond Plate Aluminum Shifter Floor Cover Plate

    Polished Diamond Plate Aluminum Shifter Floor Cover Plate

    REALWHEELS

    $474.99
    Shifter Floor Cover Plate- Polished* High Quality Shifter Floor Cover Plate* Polished Billet Aluminum* Mirror Finish* Diamond Fine-Cut Billet  - A New Design Featuring A Smaller Diamond Pattern And A...
    09-15130912
    SKU:
    09-15130912
    Height Options:
    3/8 Inch
    Material Options:
    Billet Aluminum
    Product Type:
    Interior
    Make:
    Universal Items
    Location:
    Made In USA
    Finish Options:
    Polished
    Width Options:
    10 5/8 Inch
    Length Options:
    20 1/2 Inch
    Style Options:
    Diamond Cut
    $474.99
    Qty in Cart: 0
    Price:
    $474.99
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  • EZ Claw Black Steel Versa Mount Bracket

    EZ Claw Black Steel Versa Mount Bracket

    EZ CLAW

    $96.99
    Durable, reliable, and versatile, the EZ Claw Black Steel Versa Mount Bracket is perfect for mounting accessories on semi cabs. With 8 or 11 inches of clearance off the back of the cab, the bracket...
    PPR_300771
    SKU:
    PPR_300771
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $96.99
    Qty in Cart: 0
    Price:
    $96.99
    Subtotal:
  • Knoedler Air Chief Mid Back Seat W/ 3 Bladder Lumbar, LH Arm- Black & Red Synthetic Leather

    Knoedler Air Chief Mid Back Seat W/ 3 Bladder Lumbar, LH Arm- Black & Red Synthetic Leather

    KNOEDLER

    $1,439.99
    Long drives demand superior support, and the Knoedler Air Chief Mid Back Seat delivers exactly that. Designed as a low rider seat with armrest, it features a 3-bladder lumbar system, dual-chamber...
    PPR_300773
    SKU:
    PPR_300773
    Color:
    Black
    Material Options:
    Synthetic Leather
    Height Options:
    20 Inch
    Style Options:
    Mid Back
    Degree Options:
    45
    Product Type:
    Seats
    Material Options:
    Leather
    Make:
    Universal Items
    $1,439.99
    Qty in Cart: 0
    Price:
    $1,439.99
    Subtotal:
  • 34 Inch Stainless Steel Rear Razored Reverse T-Bar Light Bar W/ Light Hole Options

    34 Inch Stainless Steel Rear Razored Reverse T-Bar Light Bar W/ Light Hole Options

    ARANDA TRUCK ACCESSORIES

    $1,412.99
    Reinforce both safety and style with this 34-inch stainless steel rear razored reverse T-bar light bar. Featuring a razored reverse T-bar design and light holes, it allows truckers to mount multiple...
    PPR_300774
    SKU:
    PPR_300774
    Light Options:
    Without Lights
    Size Options:
    14 Gauge
    Material Options:
    Stainless Steel
    Width Options:
    34 Inch
    Finish Options:
    Polished
    Location:
    Made In USA
    Product Type:
    Bumpers
    Make:
    Universal Items
    $1,412.99
    Qty in Cart: 0
    Price:
    $1,412.99
    Subtotal:
  • EZ Claw Flange Mount 3-in-1 Non Wrapped and Hydraulic Line Saver Kit W/ 2 Slings, 1 Hose And Cable Block, 25 Lb & 40 Lb Tensioner

    EZ Claw Flange Mount 3-in-1 Non Wrapped and Hydraulic Line Saver Kit W/ 2 Slings, 1 Hose And Cable Block, 25 Lb & 40 Lb Tensioner

    EZ CLAW

    $831.99
    Engineered for trucks that run hard and demand reliable hose control, the EZ Claw Flange Mount 3-in-1 Non Wrapped and Hydraulic Line Saver Kit. This comprehensive kit features a 25 lb tensioner with...
    PPR_300767
    SKU:
    PPR_300767
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $831.99
    Qty in Cart: 0
    Price:
    $831.99
    Subtotal:
  • EZ Claw Black Steel Flange Mount Bracket

    EZ Claw Black Steel Flange Mount Bracket

    EZ CLAW

    $96.99
    Reliable cab-mounted support is easy with the EZ Claw Black Steel Flange Mount Bracket. With 11 inches of clearance and precision laser-cut, robotically welded construction, it provides a durable...
    PPR_300769
    SKU:
    PPR_300769
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $96.99
    Qty in Cart: 0
    Price:
    $96.99
    Subtotal:
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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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