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Kenworth T660 Frame Crossmembers & Covers

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • FREE SHIPPING OVER $249
    15/16 And 7/8 Inch Chrome Plastic Top Hat Nut Cover With Flange - 10 Pack

    15/16 And 7/8 Inch Chrome Plastic Top Hat Nut Cover With Flange - 10 Pack

    AFTERMARKET

    $12.89
    Nut Cover* Made Of High Quality Chrome Plated Plastic* Top Hat Style With Flange* 15/16 Inch And 7/8 Inch Bolt Heads* Sold As Pack* Warranty On Nut Cover Against Defects In Workmanship & Material...
    09-050603010
    SKU:
    09-050603010
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $12.89
    Qty in Cart: 0
    Price:
    $12.89
    Subtotal:
  • FREE SHIPPING OVER $249
    12MM & 7/16 Inch Chrome Plastic Top Hat Nut Cover with Flange - 10 Pack

    12MM & 7/16 Inch Chrome Plastic Top Hat Nut Cover with Flange - 10 Pack

    AFTERMARKET

    $10.71
    Nut Cover* Made Of High Quality Chrome Plated Plastic* Top Hat Style With Flange* 7/16 Inch And 12MM Bolt Heads* Sold As Pack* Warranty On Nut Cover Against Defects In Workmanship & Material From...
    09-050602810
    SKU:
    09-050602810
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Size Options:
    12 mm
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $10.71
    Qty in Cart: 0
    Price:
    $10.71
    Subtotal:
  • FREE SHIPPING OVER $249
    15MM & 5/8 Inch Chrome Plastic Top Hat Nut Cover With Flange - 10 Pack

    15MM & 5/8 Inch Chrome Plastic Top Hat Nut Cover With Flange - 10 Pack

    AFTERMARKET

    $12.89
    Nut Cover* Made Of High Quality Chrome Plated Plastic* Top Hat Style With Flange* 5/8 Inch And 15MM Bolt Heads* Sold As Pack* Made In USA* Warranty On Nut Cover Against Defects In Workmanship &...
    09-050602610
    SKU:
    09-050602610
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Size Options:
    15 mm
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $12.89
    Qty in Cart: 0
    Price:
    $12.89
    Subtotal:
  • FREE SHIPPING OVER $249
    1.125 & 1.0625 Inch Chrome Plastic Top Hat Nut Cover with Flange - 10 Pack

    1.125 & 1.0625 Inch Chrome Plastic Top Hat Nut Cover with Flange - 10 Pack

    AFTERMARKET

    $20.39
    Nut Cover* Made Of High Quality Chrome Plated Plastic* Top Hat Style With Flange* 1.125 Inch And 1.0625 Inch Bolt Heads* Sold As Pack* Warranty On Nut Cover Against Defects In Workmanship & Material...
    09-050602410
    SKU:
    09-050602410
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $20.39
    Qty in Cart: 0
    Price:
    $20.39
    Subtotal:
  • FREE SHIPPING OVER $249
    30MM Chrome Plastic Huck Rivet Cover -10 Pack

    30MM Chrome Plastic Huck Rivet Cover -10 Pack

    AFTERMARKET

    $16.12
    Huck Rivet Cover* Made Of High Quality Chrome Plated Plastic* Top Hat Style With Flange* 30MM Bolt Heads* Sold As Pack* Warranty On Nut Cover Against Defects In Workmanship & Material From Date Of...
    09-050603110
    SKU:
    09-050603110
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Material Options:
    Plastic/Poly
    Size Options:
    30 mm
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $16.12
    Qty in Cart: 0
    Price:
    $16.12
    Subtotal:
  • FREE SHIPPING OVER $249
    10MM And 3/8 Inch Chrome Plastic Top Hat Nut Cover With Flange - 10 Pack

    10MM And 3/8 Inch Chrome Plastic Top Hat Nut Cover With Flange - 10 Pack

    AFTERMARKET

    $11.85
    Nut Cover* Made Of High Quality Chrome Plated Plastic* Top Hat Style With Flange* 3/8 Inch And 10MM Bolt Heads* Sold As Pack* Made In USA* Warranty On Nut Cover Against Defects In Workmanship &...
    09-050602910
    SKU:
    09-050602910
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Size Options:
    10 mm
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $11.85
    Qty in Cart: 0
    Price:
    $11.85
    Subtotal:
  • FREE SHIPPING OVER $249
    14MM & 9/16 Inch Chrome Top Hat Nut Cover With Flange - 10 Pack

    14MM & 9/16 Inch Chrome Top Hat Nut Cover With Flange - 10 Pack

    AFTERMARKET

    $10.71
    Nut Cover* Made Of High Quality Chrome Plated Plastic* Top Hat Style With Flange* 9/16 Inch And 14MM Bolt Heads* Sold As Pack* Warranty On Nut Cover Against Defects In Workmanship & Material From...
    09-050602710
    SKU:
    09-050602710
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Size Options:
    14 mm
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    $10.71
    Qty in Cart: 0
    Price:
    $10.71
    Subtotal:
  • FREE SHIPPING OVER $249
    12MM & 7/16 Inch Chrome Plastic Bolt Heads Top Hat Nut Cover W/ Flange

    12MM & 7/16 Inch Chrome Plastic Bolt Heads Top Hat Nut Cover W/ Flange

    LIFETIME NUT COVERS

    $1.42
    Chrome Plastic Top Hat Style Nut CoverWe strive to offer the largest variety of parts to meet your needs including a huge selection of chrome-plated nut covers made in the USA by Lifetime Nut Covers...
    09-0506028
    SKU:
    09-0506028
    Location:
    Made In USA
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Material Options:
    Plastic/Poly
    Size Options:
    12 mm
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $1.42
    Qty in Cart: 0
    Price:
    $1.42
    Subtotal:
  • FREE SHIPPING OVER $249
    17MM & 11/16 Inch Chrome Plastic Top Hat Nut Cover With Flange - 10 Pack

    17MM & 11/16 Inch Chrome Plastic Top Hat Nut Cover With Flange - 10 Pack

    AFTERMARKET

    $12.89
    Nut Cover* Made Of High Quality Chrome Plated Plastic* Top Hat Style With Flange* 11/16 Inch And 17MM Bolt Heads* Sold As Pack* Made In USA* Warranty On Nut Cover Against Defects In Workmanship &...
    09-050602510
    SKU:
    09-050602510
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Size Options:
    17 mm
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $12.89
    Qty in Cart: 0
    Price:
    $12.89
    Subtotal:
  • FREE SHIPPING OVER $249
    1.125 & 1.0625 Inch Chrome Plastic Bolt Head Top Hat Nut Cover W/ Flange

    1.125 & 1.0625 Inch Chrome Plastic Bolt Head Top Hat Nut Cover W/ Flange

    LIFETIME NUT COVERS

    $3.05
    Top Hat Style Nut CoverLifetime Nut Covers is a made in the USA source for nut covers and we offer a wide variety to meet your needs including chrome-plated top hat covers with flanges. These nut...
    09-0506024
    SKU:
    09-0506024
    Truck Class:
    Universal
    Location:
    Made In USA
    Style Options:
    Top Hat
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $3.05
    Qty in Cart: 0
    Price:
    $3.05
    Subtotal:
  • FREE SHIPPING OVER $249
    18MM & 3/4 Inch Chrome Plastic Top Hat Nut Cover With Flange - 10 Pack

    18MM & 3/4 Inch Chrome Plastic Top Hat Nut Cover With Flange - 10 Pack

    AFTERMARKET

    $12.89
    Nut Cover* Made Of High Quality Chrome Plated Plastic* Top Hat Style With Flange* 3/4 Inch* 18MM Bolt Heads* Sold As Pack* Warranty On Nut Cover Against Defects In Workmanship & Material From Date Of...
    09-050602110
    SKU:
    09-050602110
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Size Options:
    18 mm
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $12.89
    Qty in Cart: 0
    Price:
    $12.89
    Subtotal:
  • Class 8 Aluminum Frame Steps 12 Inch

    Class 8 Aluminum Frame Steps 12 Inch

    BUYERS PRODUCTS

    $155.99
    Frame Steps With Grip Struts For Traction* High Quality Frame Steps* Aluminum* 12 Inch* 4.75 Inch Depth * 2 Inch Step Thickness* Mounting Hardware Sold Separately* Grip Strut Provides Superior...
    09-050500038
    SKU:
    09-050500038
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $155.99
    Qty in Cart: 0
    Price:
    $155.99
    Subtotal:
  • Class 8 Aluminum Frame Steps 24 Inch

    Class 8 Aluminum Frame Steps 24 Inch

    BUYERS PRODUCTS

    $189.99
    Frame Steps With Grip Struts For Traction* High Quality Frame Steps* Aluminum* 24 Inch* Mounting Hardware Sold Separately* Grip Strut Provides Superior Traction Even In Inclement Weather* Corrosion...
    09-050500040
    SKU:
    09-050500040
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $189.99
    Qty in Cart: 0
    Price:
    $189.99
    Subtotal:
  • Yellow Carbon Steel 3 Rung Retractable Truck Step

    Yellow Carbon Steel 3 Rung Retractable Truck Step

    BUYERS PRODUCTS

    $175.99
    Carbon Steel 3 Rung Retractable Truck Step W/ Non Slip Treads* High Quality Truck Step* Carbon Steel* Yellow* Mounting Frame - WIDth-19.63 Inch - Length-30.25 Inch - Thickness-2.68 Inch* Distance...
    09-050500041
    SKU:
    09-050500041
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $175.99
    Qty in Cart: 0
    Price:
    $175.99
    Subtotal:
  • FREE SHIPPING OVER $249
    30MM Chrome Plastic Huck Rivet Cover Bolt Heads

    30MM Chrome Plastic Huck Rivet Cover Bolt Heads

    LIFETIME NUT COVERS

    $2.23
    Top Hat Style Huck Rivet Cover With FlangeWith so many different shapes and sizes of nut covers, be sure to check out our huge selection of ABS plastic injected with triple chrome plating nut covers...
    09-0506031
    SKU:
    09-0506031
    Location:
    Made In USA
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Size Options:
    30 mm
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $2.23
    Qty in Cart: 0
    Price:
    $2.23
    Subtotal:
  • FREE SHIPPING OVER $249
    10MM & 3/8 Inch Chrome Plastic Bolt Heads Top Hat Nut Cover W/ Flange

    10MM & 3/8 Inch Chrome Plastic Bolt Heads Top Hat Nut Cover W/ Flange

    LIFETIME NUT COVERS

    $1.42
    Chrome Plastic Top Hat Style Nut Cover With FlangeThis top hat Lifetime Nut Cover with a flange is specially designed to fit two different sizes of nuts. Turn the nut covers one way to fit a 3/8 inch...
    09-0506029
    SKU:
    09-0506029
    Location:
    Made In USA
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Material Options:
    Plastic/Poly
    Size Options:
    10 mm
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $1.42
    Qty in Cart: 0
    Price:
    $1.42
    Subtotal:
  • FREE SHIPPING OVER $249
    14MM & 9/16 Inch Chrome Plastic Bolt Heads Top Hat Nut Cover W/ Flange

    14MM & 9/16 Inch Chrome Plastic Bolt Heads Top Hat Nut Cover W/ Flange

    LIFETIME NUT COVERS

    $1.42
    Top Hat Style Nut CoverNot only is having the nut covers to add some shine to your truck something to look for, but also the fitment of the nut covers. We proudly offer Lifetime Nut Covers made in...
    09-0506027
    SKU:
    09-0506027
    Location:
    Made In USA
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Material Options:
    Plastic/Poly
    Size Options:
    14 mm
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $1.42
    Qty in Cart: 0
    Price:
    $1.42
    Subtotal:
  • FREE SHIPPING OVER $249
    17MM & 11/16 Inch Chrome Plastic Bolt Heads Top Hat Nut Cover W/ Flange

    17MM & 11/16 Inch Chrome Plastic Bolt Heads Top Hat Nut Cover W/ Flange

    LIFETIME NUT COVERS

    $2.03
    Top Hat Style Nut Cover With FlangeThis top hat Lifetime Nut Cover with a flange is specially designed to fit two different sizes of nuts. Turn the nut covers one way to fit a 11/16 inch bolt head or...
    09-0506025
    SKU:
    09-0506025
    Location:
    Made In USA
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Material Options:
    Plastic/Poly
    Size Options:
    17 mm
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $2.03
    Qty in Cart: 0
    Price:
    $2.03
    Subtotal:
  • Class 8 Aluminum Frame Steps 18 Inch

    Class 8 Aluminum Frame Steps 18 Inch

    BUYERS PRODUCTS

    $175.99
    Frame Steps With Grip Struts For Traction* High Quality Frame Steps* Aluminum* 18 Inch* Mounting Hardware Sold Separately* Grip Strut Provides Superior Traction Even In Inclement Weather* Corrosion...
    09-050500039
    SKU:
    09-050500039
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $175.99
    Qty in Cart: 0
    Price:
    $175.99
    Subtotal:
  • 20 x 18 x 36 Inch Aluminum Underbody Truck Box W/ Drawer

    20 x 18 x 36 Inch Aluminum Underbody Truck Box W/ Drawer

    BUYERS PRODUCTS

    $1,077.99
    Diamond Tread Underbody Truck Box W/ DrawerThe 36-inch Diamond Tread Aluminum Underbody Truck Box with Drawer is built to last, featuring durable corrosion-resistant aluminum. It includes adjustable...
    09-020100546
    SKU:
    09-020100546
    Truck Class:
    Universal
    Length Options:
    36 Inch
    Width Options:
    18 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Cargo Control
    $1,077.99
    Qty in Cart: 0
    Price:
    $1,077.99
    Subtotal:
  • Total: items /

Adding your products to cart

Enhance your Kenworth T660 with Crossmembers & Covers from our comprehensive selection. These durable, high-quality parts are designed to provide a sturdy foundation and stylish finishing touches for your semi-truck. Upgrade your truck's appearance and functionality with our extensive range of crossmembers, protective covers, and other accessories. Whether you need to replace worn components or customize your rig, our Kenworth T660 parts deliver the strength, style, and performance you demand. Elevate your ride with our premium selection of Kenworth T660 Frame Crossmembers & Covers.

Frequently Asked Questions About Kenworth T660 Frame Crossmembers & Covers

What are frame crossmembers and covers used for on the Kenworth T660?

Frame crossmembers are structural components that run laterally between the frame rails, helping maintain frame rigidity and support other chassis components. Covers are typically used to protect these crossmembers or nearby frame areas from road debris, moisture, and corrosion. Together, they help preserve the structural integrity of the truck's frame over time.

Will these crossmembers and covers fit my specific Kenworth T660?

Fitment can vary depending on the model year, chassis configuration, and specific application of your T660. Because frame components are often built to close tolerances, we recommend verifying part numbers or dimensions against your truck's specifications, or contacting our parts team with your VIN or existing part number to confirm compatibility before ordering.

What materials are these crossmembers and covers made from?

Most crossmembers and covers in this category are constructed from heavy-duty steel or aluminum, depending on the specific part and its intended location on the frame. Steel components are generally chosen for load-bearing strength, while aluminum or coated steel covers may be used where corrosion resistance and weight savings are a priority.

Do these parts come with a protective finish or coating?

Finish options vary by product. Some crossmembers and covers are sold with a factory-style paint, primer, or galvanized coating to help resist rust and corrosion, while others may be bare metal and require the buyer to apply a finish before or after installation. Check the individual product listing for specific finish details before purchasing.

Can I install a replacement crossmember or cover myself, or should I use a professional shop?

Frame crossmembers are structural parts, so installation typically involves proper alignment, torque specifications, and sometimes welding or drilling into the frame rail. While experienced fleet technicians or shop personnel can often handle this type of replacement, we recommend having the work done by a qualified technician to ensure the part is installed correctly and the frame's structural integrity is maintained.


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