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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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  • Price
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  • Fuel and Water Separator Vent Cap Replaces 240023, 240023DAV, DVC240023DAV, 1694745C91

    Fuel and Water Separator Vent Cap Replaces 240023, 240023DAV, DVC240023DAV, 1694745C91

    AUTOMANN USA

    $9.99
    Fuel and Water Separator Vent CapSafeguard your truck's fuel system with this Fuel and Water Separator Vent Cap, designed to replace 240023, 240023DAV, DVC240023DAV, and 1694745C91. Cap only, sold...
    29-071200034
    SKU:
    29-071200034
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $9.99
    Qty in Cart: 0
    Price:
    $9.99
    Subtotal:
  • Intake Manifold Air Temp Sensor For Cummins ISX, QSX15 Engine Replaces 4921473, 3417142

    Intake Manifold Air Temp Sensor For Cummins ISX, QSX15 Engine Replaces 4921473, 3417142

    AUTOMANN USA

    $90.99
    Cummins ISX, QSX15 Engine Intake Manifold Air Temp Sensor- 4 PinThis Intake Manifold Air Temp Sensor provides precise and reliable air temperature monitoring for Cummins ISX and QSX15 engines,...
    29-07100062
    SKU:
    29-07100062
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Length Options:
    1 3/4 Inch
    Make:
    Universal Items
    $90.99
    Qty in Cart: 0
    Price:
    $90.99
    Subtotal:
  • Coolant Temp Sensor For Caterpillar Engines Replaces 1022240

    Coolant Temp Sensor For Caterpillar Engines Replaces 1022240

    AUTOMANN USA

    $115.99
    Caterpillar Engine Coolant Temp Sensor- 3 PinThis Coolant Temp Sensor for Caterpillar engines replaces 1022240 and delivers precise temperature monitoring to optimize engine performance. Featuring a...
    29-07100071
    SKU:
    29-07100071
    Style Options:
    Caterpillar
    Diameter Options:
    1 Inch
    Length Options:
    3 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $115.99
    Qty in Cart: 0
    Price:
    $115.99
    Subtotal:
  • Cam Crank Timing Position Sensor For CAT C11, C13, C15 Engine Replaces 2016615

    Cam Crank Timing Position Sensor For CAT C11, C13, C15 Engine Replaces 2016615

    AUTOMANN USA

    $121.99
    Caterpillar Engine Cam Crank Timing Position Sensor- 2 PinKeep your CAT C11, C13, and C15 engines running at peak efficiency with this high-quality Cam Crank Timing Position Sensor, replacing 2016615...
    29-07100072
    SKU:
    29-07100072
    Length Options:
    3 Inch
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $121.99
    Qty in Cart: 0
    Price:
    $121.99
    Subtotal:
  • GP Speed Sensor For Caterpillar C12 Engine Replaces 1918304, 191-8304

    GP Speed Sensor For Caterpillar C12 Engine Replaces 1918304, 191-8304

    AUTOMANN USA

    $101.99
    Caterpillar C12 Engine GP Speed Sensor- 2 PinOptimize your Caterpillar C12 engine performance with this high-quality GP Speed Sensor, replacing 1918304 and 191-8304. It features a 2-pin...
    29-07100058
    SKU:
    29-07100058
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $101.99
    Qty in Cart: 0
    Price:
    $101.99
    Subtotal:
  • Air Inlet Manifold Pressure Sensor For CAT C11, C13, C15 Engine Replaces 2393478

    Air Inlet Manifold Pressure Sensor For CAT C11, C13, C15 Engine Replaces 2393478

    AUTOMANN USA

    $188.99
    Air Inlet Manifold Pressure Sensor- 3 PinEnsure smooth and efficient engine performance with this Air Inlet Manifold Pressure Sensor for CAT C11, C13, and C15 engines, replacing 2393478. Featuring a...
    29-07100067
    SKU:
    29-07100067
    Product Type:
    Engine Parts
    Length Options:
    2 Inch
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $188.99
    Qty in Cart: 0
    Price:
    $188.99
    Subtotal:
  • Air Pressure Sensor For Caterpillar Engines Replaces 1619925, 1946722

    Air Pressure Sensor For Caterpillar Engines Replaces 1619925, 1946722

    AUTOMANN USA

    $123.99
    Caterpillar Engine Air Pressure Sensor- 3 PinKeep your Caterpillar engine running efficiently with this high-quality Air Pressure Sensor. With a 3-pin connector and 9/16-inch - 18 threaded base, it...
    29-07100069
    SKU:
    29-07100069
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Length Options:
    2 1/4 Inch
    Make:
    Universal Items
    $123.99
    Qty in Cart: 0
    Price:
    $123.99
    Subtotal:
  • Speed Sensor For CAT C11, C13, C15 Engine Replaces 2016616

    Speed Sensor For CAT C11, C13, C15 Engine Replaces 2016616

    AUTOMANN USA

    $169.99
    Caterpillar Engine Speed Sensor- 2 PinKeep your CAT C11, C13, and C15 engine running smoothly with this Speed Sensor, replacing 2016616. Featuring a 2-pin connector/terminal and a mounting bracket...
    29-07100068
    SKU:
    29-07100068
    Length Options:
    2 1/4 Inch
    Style Options:
    Caterpillar
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $169.99
    Qty in Cart: 0
    Price:
    $169.99
    Subtotal:
  • Crankshaft Position Sensor For Cummins ISB Engine Replaces 4921601

    Crankshaft Position Sensor For Cummins ISB Engine Replaces 4921601

    AUTOMANN USA

    $61.99
    Cummins ISB Engine Crankshaft Position Sensor- 3 PinUpgrade your Cummins ISB engine with this high-quality Crankshaft Position Sensor, replacing 4921601 to provide accurate and dependable timing...
    29-07100054
    SKU:
    29-07100054
    Style Options:
    Cummins
    Length Options:
    2 5/8 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $61.99
    Qty in Cart: 0
    Price:
    $61.99
    Subtotal:
  • Oil Pressure Sensor For Cummins 6C, ISC Engine Replaces 4326849, 4921511, 4088390

    Oil Pressure Sensor For Cummins 6C, ISC Engine Replaces 4326849, 4921511, 4088390

    AUTOMANN USA

    $90.99
    Cummins 6C, ISC Engine Oil Pressure Sensor- 3 PinThis replacement Oil Pressure Sensor for Cummins 6C and ISC engines provides accurate and reliable monitoring, replacing 4326849, 4921511, and 4088390...
    29-07100063
    SKU:
    29-07100063
    Style Options:
    Cummins
    Length Options:
    2 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $90.99
    Qty in Cart: 0
    Price:
    $90.99
    Subtotal:
  • NOx Sensor For Cummins ISB, ISL Engine Replaces 2871979, 2894940, 4954222, 4984577

    NOx Sensor For Cummins ISB, ISL Engine Replaces 2871979, 2894940, 4954222, 4984577

    AUTOMANN USA

    $403.99
    Cummins ISB, ISL Engine NOx Sensor- 4 PinThis NOx Sensor for Cummins ISB and ISL engines delivers accurate nitrogen oxide readings and long-lasting performance. Featuring a 4-pin connector/terminal,...
    29-07100064
    SKU:
    29-07100064
    Product Type:
    Engine Parts
    Material Options:
    Aluminum
    Style Options:
    Cummins
    Make:
    Universal Items
    $403.99
    Qty in Cart: 0
    Price:
    $403.99
    Subtotal:
  • Manifold Pressure Sensor For Cummins L10, M11 & ISM Engine Replaces 4921493, 3330141

    Manifold Pressure Sensor For Cummins L10, M11 & ISM Engine Replaces 4921493, 3330141

    AUTOMANN USA

    $123.99
    Cummins L10, M11 & ISM Engine Manifold Pressure Sensor - 3 PinThis high-quality Manifold Pressure Sensor for Cummins L10, M11, and ISM engines, replacing 4921493 and 3330141, delivers precise and...
    29-07100059
    SKU:
    29-07100059
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Length Options:
    2 Inch
    Make:
    Universal Items
    $123.99
    Qty in Cart: 0
    Price:
    $123.99
    Subtotal:
  • Oil Temp Sensor For Cummins ISM, QSM Engine Replaces 4921477

    Oil Temp Sensor For Cummins ISM, QSM Engine Replaces 4921477

    AUTOMANN USA

    $95.99
    Cummins ISM, QSM Engine Oil Temp Sensor- 4 PinMonitor your engine's oil temperature with precision using this high-quality Oil Temp Sensor for Cummins ISM and QSM engines. Built for durability and...
    29-07100061
    SKU:
    29-07100061
    Product Type:
    Engine Parts
    Length Options:
    2 Inch
    Make:
    Universal Items
    $95.99
    Qty in Cart: 0
    Price:
    $95.99
    Subtotal:
  • Turbo Boost Sensor For Cummiins N14, L10, M11 & ISM Engine Replaces 3084521, 4921501

    Turbo Boost Sensor For Cummiins N14, L10, M11 & ISM Engine Replaces 3084521, 4921501

    AUTOMANN USA

    $108.99
    Cummiins N14, L10, M11 & ISM Engine Turbo Boost Sensor- 3 PinMaintain turbocharger accuracy on your Cummins N14, L10, M11, or ISM engine with this high-quality Turbo Boost Sensor, replacing 3084521...
    29-07100060
    SKU:
    29-07100060
    Style Options:
    Cummins
    Length Options:
    2 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $108.99
    Qty in Cart: 0
    Price:
    $108.99
    Subtotal:
  • Crankshaft Position Sensor For Cummins ISB Engine Replaces 3408430, 4921597, 050705

    Crankshaft Position Sensor For Cummins ISB Engine Replaces 3408430, 4921597, 050705

    AUTOMANN USA

    $66.99
    Cummins ISB Engine Crankshaft Position Sensor- 3 PinMaintain optimal performance for your Cummins ISB engine with this high-quality Crankshaft Position Sensor replacing 3408430, 4921597, and 050705...
    29-07100055
    SKU:
    29-07100055
    Product Type:
    Engine Parts
    Length Options:
    2 1/4 Inch
    Style Options:
    Cummins
    Make:
    Universal Items
    $66.99
    Qty in Cart: 0
    Price:
    $66.99
    Subtotal:
  • GP Speed Sensor For Caterpillar C15, C15A Engine Replaces 1918303, 191-8303

    GP Speed Sensor For Caterpillar C15, C15A Engine Replaces 1918303, 191-8303

    AUTOMANN USA

    $93.99
    Caterpillar C15, C15A Engine GP Speed Sensor- 2 PinEnsure accurate speed readings for your Caterpillar C15 and C15A engines with this GP Speed Sensor replacement for 1918303 and 191-8303. It comes...
    29-07100057
    SKU:
    29-07100057
    Product Type:
    Engine Parts
    Style Options:
    2 Prong
    Length Options:
    2 5/8 Inch
    Make:
    Universal Items
    $93.99
    Qty in Cart: 0
    Price:
    $93.99
    Subtotal:
  • Oil Temp Sensor For Cummins ISX, QSX15 Engine Replaces 4921475, 3331230

    Oil Temp Sensor For Cummins ISX, QSX15 Engine Replaces 4921475, 3331230

    AUTOMANN USA

    $173.99
    Cummins ISX, QSX15 Engine Oil Temp Sensor- 4 PinProtecting your Cummins ISX and QSX15 engines from thermal stress begins with this high-quality Oil Temp Sensor, engineered to replace 4921475 and...
    29-07100056
    SKU:
    29-07100056
    Length Options:
    3 1/4 Inch
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Make:
    Universal Items
    $173.99
    Qty in Cart: 0
    Price:
    $173.99
    Subtotal:
  • Turbo Boost Manifold Sensor For Detroit Diesel Series 60 Engine Replaces 23522322

    Turbo Boost Manifold Sensor For Detroit Diesel Series 60 Engine Replaces 23522322

    AFTERMARKET

    $93.99
    Detroit Diesel Series 60 Turbo Boost Manifold Sensor- 3 PinKeep your Detroit Diesel Series 60 engine performing at its best with this high-quality Turbo Boost Manifold Sensor. Engineered for...
    29-07100033
    SKU:
    29-07100033
    Product Type:
    Engine Parts
    Style Options:
    Detroit
    Make:
    Universal Items
    $93.99
    Qty in Cart: 0
    Price:
    $93.99
    Subtotal:
  • Rear Differential Breather Kit Replaces 2719507162, ZPB0507162, 507162, 513538, ETN507162, SP507162, 3947334

    Rear Differential Breather Kit Replaces 2719507162, ZPB0507162, 507162, 513538, ETN507162, SP507162, 3947334

    AUTOMANN USA

    $20.35
    Rear Differential Breather KitKeep your rear differential operating at peak efficiency with this high-quality Rear Differential Breather Kit. It comes complete with an axle vent and durable steel,...
    29-05210003
    SKU:
    29-05210003
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $20.35
    Qty in Cart: 0
    Price:
    $20.35
    Subtotal:
  • Coolant Temp Sensor Replaces 23514708 For Detroit Diesel Series 60 Engine

    Coolant Temp Sensor Replaces 23514708 For Detroit Diesel Series 60 Engine

    AUTOMANN USA

    $36.37
    Detroit Diesel Series 60 Engine Coolant Temp Sensor- 2 PinThe key to protecting your Detroit Diesel Series 60 engine from overheating lies in dependable monitoring, and this replacement Coolant Temp...
    29-07100052
    SKU:
    29-07100052
    Length Options:
    2 1/4 Inch
    Product Type:
    Engine Parts
    Style Options:
    Detroit
    Make:
    Universal Items
    $36.37
    Qty in Cart: 0
    Price:
    $36.37
    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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