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International 9900/i/ix Frame Crossmembers-Cov

Improve your International 9900/i/ix with premium frame crossmembers, retrofit kits, and walking beams. Explore our aftermarket options!
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  • Quantity
  • Price
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  • 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

Find high-quality replacement and upgrade parts for your truck in the International 9900/i/ix Frame Crossmembers-Cov product lineup. This selection includes stainless steel rear frame covers, adjustable walking beams, and heavy-duty crossmember retrofits for many models. These components are designed to replace worn or damaged OEM parts and maintain your truck. With durable options like fiber-reinforced rear covers and specialized hardware, this product lineup offers reliable solutions to keep your International semi running smoothly.

Frequently Asked Questions About International 9900/i/ix Frame Crossmembers-Cov

What exactly are frame crossmember covers, and what purpose do they serve?

Frame crossmember covers are the panels that fit over or around the crossmembers running between the frame rails on your International 9900, 9900i, or 9900ix. They help finish out the underside and frame area of the truck, providing a cleaner look while also offering a layer of protection to the crossmember structure from road debris, moisture, and corrosion buildup.

Will these covers fit my specific International 9900, 9900i, or 9900ix model year?

Fitment can vary between the 9900, 9900i, and 9900ix depending on frame configuration and production year, so it is important to check the listed specifications on each product page against your VIN or existing crossmember dimensions before ordering. If you are unsure, reach out to our team with your truck's details and we can help confirm the correct part.

What materials are these crossmember covers made from, and how do they hold up over time?

Crossmember covers in this category are typically made from steel or aluminum, depending on the specific product listed. Steel covers tend to offer more rigidity, while aluminum options are lighter and naturally more resistant to rust. Check the individual product description for material specifics, gauge, and any protective coating or finish applied.

Do these covers come with a finish already applied, or will I need to paint or coat them myself?

Some covers are available with a raw or mill finish, while others may come pre-treated or coated depending on the manufacturer. If a specific finish or paint match is important for your build, review the product listing closely or contact us beforehand so you know what to expect out of the box.

What does installation typically involve, and can I install a crossmember cover myself?

Installation generally involves aligning the cover with the existing mounting points on the crossmember and securing it with bolts or hardware, which may or may not be included depending on the product. Most experienced DIYers or shop technicians can handle this without major issues, but you should always reference your truck's service manual or have a qualified technician verify fitment, especially if any drilling or modification is required.


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