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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
  • 7 Inch X 16 Inch West Coast Flat Rib Back Mirror Head

    7 Inch X 16 Inch West Coast Flat Rib Back Mirror Head

    LUVERNE

    $17.21 - $74.99
    Finding the right replacement mirror for your truck is simple with this rib-back west coast mirror head, designed as a reliable OEM-style upgrade for a variety of heavy-duty trucks. It features a...
    PPR_299653
    SKU:
    PPR_299653
    Color:
    White
    Style Options:
    Heated
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Color:
    Black
    Product Type:
    Exterior
    Make:
    Universal Items
    Width Options:
    7 Inch
    Shape Options:
    Rectangular
    Height Options:
    16 Inch
    $17.21 - $74.99
    Qty in Cart: 0
    Price:
    $17.21 - $74.99
    Subtotal:
  • 6 Inch Round Convex Center Mount Mirror Plastic Ball Stud

    6 Inch Round Convex Center Mount Mirror Plastic Ball Stud

    LUVERNE

    $12.04 - $28.27
    Boost your rear visibility with this 6 inch round convex center mount mirror. The convex lens gives you a broader field of vision, making it easier to spot nearby vehicles, pedestrians, or obstacles...
    PPR_299658
    SKU:
    PPR_299658
    Location:
    Made In USA
    Shape Options:
    Round
    Material Options:
    Stainless Steel
    Color:
    Black
    Diameter Options:
    6 Inch
    Material Options:
    Steel
    Product Type:
    Exterior
    Make:
    Universal Items
    Style Options:
    Convex
    $12.04 - $28.27
    Qty in Cart: 0
    Price:
    $12.04 - $28.27
    Subtotal:
  • 5 Inch Black Powder Coated Steel Round Convex Spot Mirror

    5 Inch Black Powder Coated Steel Round Convex Spot Mirror

    LUVERNE

    $11.27 - $13.06
    Increase safety and visibility on the road with this 5-inch black steel center-mount convex mirror, designed to give you a wide-angle view of blind spots and passing lanes. The 5-inch curved glass...
    PPR_299649
    SKU:
    PPR_299649
    Material Options:
    Steel
    Color:
    Black
    Diameter Options:
    5 Inch
    Product Type:
    Exterior
    Shape Options:
    Round
    Location:
    Made In USA
    Make:
    Universal Items
    Style Options:
    Convex
    $11.27 - $13.06
    Qty in Cart: 0
    Price:
    $11.27 - $13.06
    Subtotal:
  • 7 x 16 Inch West Coast Bubble Back Mirror Head

    7 x 16 Inch West Coast Bubble Back Mirror Head

    LUVERNE

    $19.95 - $36.32
    Upgrade your visibility with this 7-inch by 16-inch flat rib-back west coast mirror head, designed as an ideal OEM-style replacement for a wide range of heavy-duty trucks. The large flat glass...
    PPR_299654
    SKU:
    PPR_299654
    Location:
    Made In USA
    Width Options:
    7 Inch
    Color:
    White
    Color:
    Black
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Height Options:
    16 Inch
    Style Options:
    Heated
    Make:
    Universal Items
    Shape Options:
    Rectangular
    $19.95 - $36.32
    Qty in Cart: 0
    Price:
    $19.95 - $36.32
    Subtotal:
  • 8.5 Inch Round Convex Offset Mount Mirror W/ 5/16 Inch Plastic Ball Stud

    8.5 Inch Round Convex Offset Mount Mirror W/ 5/16 Inch Plastic Ball Stud

    LUVERNE

    $24.36 - $61.99
    Improve your visibility and reduce blind spots with these 8.5-inch round convex mirrors, designed to give you a wide-angle view in all driving conditions. The curved lens offers a broader field of...
    PPR_299647
    SKU:
    PPR_299647
    Color:
    Black
    Material Options:
    Steel
    Diameter Options:
    8 1/2 Inch
    Shape Options:
    Round
    Location:
    Made In USA
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Style Options:
    Heated
    Make:
    Universal Items
    Style Options:
    Convex
    Ready To Ship:
    Yes
    $24.36 - $61.99
    Qty in Cart: 0
    Price:
    $24.36 - $61.99
    Subtotal:
  • 7 Inch x 16 Inch West Coast Stainless OEM Style Mirror Head

    7 Inch x 16 Inch West Coast Stainless OEM Style Mirror Head

    LUVERNE

    $72.99 - $110.99
    With this 7-inch by 16-inch OEM-style west coast mirror head, built from polished stainless steel, it offers a sleek, mirror-like finish that resists rust, corrosion, and daily wear used on most...
    PPR_299652
    SKU:
    PPR_299652
    Product Type:
    Exterior
    Location:
    Made In USA
    Height Options:
    16 Inch
    Style Options:
    Heated
    Width Options:
    7 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Shape Options:
    Rectangular
    $72.99 - $110.99
    Qty in Cart: 0
    Price:
    $72.99 - $110.99
    Subtotal:
  • Steel Auxiliary Mirror Mounting Bracket Kits

    Steel Auxiliary Mirror Mounting Bracket Kits

    LUVERNE

    $16.03 - $17.51
    Mounting your auxiliary mirror is quick and secure with this heavy-duty bracket kit. This bracket kit is available in both 6-inch and 4-inch by 3/4-inch legs, giving you flexibility to match your...
    PPR_299645
    SKU:
    PPR_299645
    Width Options:
    3/4 Inch
    Length Options:
    6 Inch
    Color:
    Gray
    Material Options:
    Steel
    Location:
    Made In USA
    Length Options:
    4 Inch
    Product Type:
    Exterior
    Make:
    Universal Items
    $16.03 - $17.51
    Qty in Cart: 0
    Price:
    $16.03 - $17.51
    Subtotal:
  • 6 Inch Round Convex Bright Anodized Aluminum Center Mount Mirror

    6 Inch Round Convex Bright Anodized Aluminum Center Mount Mirror

    LUVERNE

    $31.01 - $35.48
    Add safety and visibility to your heavy or light duty truck with this 6-inch round convex mirror. The curved 6-inch glass provides enhanced peripheral vision, helping you stay aware of your...
    PPR_299650
    SKU:
    PPR_299650
    Location:
    Made In USA
    Product Type:
    Exterior
    Material Options:
    Aluminum
    Diameter Options:
    6 Inch
    Shape Options:
    Round
    Make:
    Universal Items
    Style Options:
    Convex
    $31.01 - $35.48
    Qty in Cart: 0
    Price:
    $31.01 - $35.48
    Subtotal:
  • 8 Inch Semi-Bubble Convex Center Mount Mirror 5/16 Inch Ball Stud

    8 Inch Semi-Bubble Convex Center Mount Mirror 5/16 Inch Ball Stud

    LUVERNE

    $31.51 - $45.07
    Stay aware of your surroundings and reduce blind spots with this 8-inch semi-bubble convex mirror, designed for center-mount applications with a 5/16-inch ball stud. The semi-bubble design gives you...
    PPR_299648
    SKU:
    PPR_299648
    Color:
    Black
    Product Type:
    Exterior
    Location:
    Made In USA
    Diameter Options:
    8 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Style Options:
    Convex
    $31.51 - $45.07
    Qty in Cart: 0
    Price:
    $31.51 - $45.07
    Subtotal:
  • 35-1/8 X 8.81 Inch Heavy Duty Truck Mirror Loop

    35-1/8 X 8.81 Inch Heavy Duty Truck Mirror Loop

    LUVERNE

    $29.41
    Mounting a west coast or convex mirror is quick and easy with this heavy-duty mirror loop. Designed in a plain-style configuration, it accepts clamp-mounted or stud-mounted mirror heads, making it a...
    PPR_299643
    SKU:
    PPR_299643
    Length Options:
    35 Inch
    Width Options:
    9 Inch
    Product Type:
    Exterior
    Location:
    Made In USA
    Finish Options:
    Black Powder Coat
    Width Options:
    8 Inch
    Make:
    Universal Items
    $29.41
    Qty in Cart: 0
    Price:
    $29.41
    Subtotal:
  • Steel Safety Cross View Bracket Mirror Assembly Rear Mount

    Steel Safety Cross View Bracket Mirror Assembly Rear Mount

    LUVERNE

    $28.36 - $57.99
    Cross view mirror brackets provide a solid mounting solution for cross view mirrors on commercial trucks and school buses. Designed for durability and ease of use, these brackets offer a stable,...
    PPR_299641
    SKU:
    PPR_299641
    Material Options:
    Stainless Steel
    Color:
    Black
    Product Type:
    Exterior
    Material Options:
    Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $28.36 - $57.99
    Qty in Cart: 0
    Price:
    $28.36 - $57.99
    Subtotal:
  • 7.5 Inch Round Convex Mirror 5/16 Inch Plastic Ball Stud

    7.5 Inch Round Convex Mirror 5/16 Inch Plastic Ball Stud

    LUVERNE

    $12.46 - $37.07
    These 7.5 inch round high-quality convex mirrors, built for clear, wide-angle visibility in all driving conditions are available in a variety of sizes and finishes. Each mirror features a curved lens...
    PPR_299646
    SKU:
    PPR_299646
    Material Options:
    Stainless Steel
    Diameter Options:
    7 1/2 Inch
    Product Type:
    Exterior
    Color:
    Black
    Location:
    Made In USA
    Material Options:
    Steel
    Shape Options:
    Round
    Make:
    Universal Items
    Style Options:
    Convex
    $12.46 - $37.07
    Qty in Cart: 0
    Price:
    $12.46 - $37.07
    Subtotal:
  • 34.105 X 7-1/4 Inch Heavy Duty Truck Mirror Loop

    34.105 X 7-1/4 Inch Heavy Duty Truck Mirror Loop

    LUVERNE

    $25.20 - $26.04
    Upgrade your rig's visibility with this 34.105-inch by 7 1/4-inch heavy-duty mirror loop, designed to make mounting a west coast or convex mirror fast and easy. Built from polished stainless steel or...
    PPR_299644
    SKU:
    PPR_299644
    Product Type:
    Exterior
    Length Options:
    34 Inch
    Finish Options:
    Black Powder Coat
    Width Options:
    7 Inch
    Location:
    Made In USA
    Make:
    Universal Items
    Length Options:
    35 Inch
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    $25.20 - $26.04
    Qty in Cart: 0
    Price:
    $25.20 - $26.04
    Subtotal:
  • Mirror Clamps 2 Piece Dovetail Clamp

    Mirror Clamps 2 Piece Dovetail Clamp

    LUVERNE

    $4.76 - $9.32
    These two-piece dovetail-style mirror clamps are built to provide a strong, secure hold for west coast-style mirror assemblies and spot mirrors on heavy and light duty trucks. The two-piece design...
    PPR_299639
    SKU:
    PPR_299639
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Product Type:
    Exterior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $4.76 - $9.32
    Qty in Cart: 0
    Price:
    $4.76 - $9.32
    Subtotal:
  • 6 Inch x 16 Inch West Coast Stainless Style Mirror Head

    6 Inch x 16 Inch West Coast Stainless Style Mirror Head

    LUVERNE

    $43.23 - $65.99
    These angled-back 6 x 16 inch west coast mirror heads are designed to deliver a clear, extended rear view for heavy and light duty trucks. Built with a durable stainless steel, this mirror head holds...
    PPR_299642
    SKU:
    PPR_299642
    Location:
    Made In USA
    Product Type:
    Exterior
    Style Options:
    Angled
    Width Options:
    6 Inch
    Material Options:
    Stainless Steel
    Style Options:
    Heated
    Height Options:
    16 Inch
    Shape Options:
    Rectangular
    Make:
    Universal Items
    $43.23 - $65.99
    Qty in Cart: 0
    Price:
    $43.23 - $65.99
    Subtotal:
  • Mirror J Brackets Zinc Plated

    Mirror J Brackets Zinc Plated

    LUVERNE

    $4.44 - $4.90
    J bracket mirror clamps are designed to provide strong, stable support for west coast-style mirror assemblies on heavy and light duty trucks. With their curved shape and durable construction, these...
    PPR_299640
    SKU:
    PPR_299640
    Location:
    Made In USA
    Product Type:
    Exterior
    Make:
    Universal Items
    $4.44 - $4.90
    Qty in Cart: 0
    Price:
    $4.44 - $4.90
    Subtotal:
  • Truck Mirror Loop Heavy Duty With 3/4 Inch Tube

    Truck Mirror Loop Heavy Duty With 3/4 Inch Tube

    LUVERNE

    $21.41 - $38.86
    Stainless steel and powder coated carbon steel mirror loops are built to offer strong, reliable support for west coast-style mirrors on heavy and light duty trucks. Designed for durability and a...
    PPR_299637
    SKU:
    PPR_299637
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Finish Options:
    Polished
    Finish Options:
    Black Powder Coat
    Product Type:
    Exterior
    Make:
    Universal Items
    $21.41 - $38.86
    Qty in Cart: 0
    Price:
    $21.41 - $38.86
    Subtotal:
  • Stainless Steel Adjustable Mirror Brace in 4 Length Sizes

    Stainless Steel Adjustable Mirror Brace in 4 Length Sizes

    LUVERNE

    $25.63 - $31.67
    Adjustable mirror braces are built to provide secure, customizable support for west coast style or convex mirror setups on heavy duty and light duty trucks. Designed for strength and stability, these...
    PPR_299636
    SKU:
    PPR_299636
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $25.63 - $31.67
    Qty in Cart: 0
    Price:
    $25.63 - $31.67
    Subtotal:
  • Convex Round Mirror Plastic Ball Stud

    Convex Round Mirror Plastic Ball Stud

    LUVERNE

    $21.32 - $80.99
    Round convex mirrors are built to enhance rear and side visibility for heavy-duty trucks. These mirrors feature a curved design that expands your field of view, helping to reduce blind spots and...
    PPR_299635
    SKU:
    PPR_299635
    Diameter Options:
    12 Inch
    Material Options:
    Plastic/Poly
    Diameter Options:
    10 Inch
    Color:
    White
    Shape Options:
    Round
    Location:
    Made In USA
    Diameter Options:
    8 Inch
    Product Type:
    Exterior
    Material Options:
    Steel
    Color:
    Black
    Diameter Options:
    7 1/2 Inch
    Material Options:
    Stainless Steel
    Style Options:
    Heated
    Make:
    Universal Items
    Style Options:
    Convex
    Ready To Ship:
    Yes
    $21.32 - $80.99
    Qty in Cart: 0
    Price:
    $21.32 - $80.99
    Subtotal:
  • Convex Stick-On Spot Mirrors

    Convex Stick-On Spot Mirrors

    LUVERNE

    $3.62 - $7.14
    Convex mirrors are designed to improve visibility and reduce blind spots on heavy and light duty trucks. These wide-angle mirrors offer a broader field of view, making it easier to monitor...
    PPR_299634
    SKU:
    PPR_299634
    Height Options:
    4 Inch
    Width Options:
    5 1/2 Inch
    Diameter Options:
    3 Inch
    Diameter Options:
    3 1/2 Inch
    Shape Options:
    Round
    Product Type:
    Exterior
    Diameter Options:
    2 Inch
    Location:
    Made In USA
    Make:
    Universal Items
    Style Options:
    Convex
    $3.62 - $7.14
    Qty in Cart: 0
    Price:
    $3.62 - $7.14
    Subtotal:
  • Total: items /

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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