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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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  • Qty in Cart
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  • Price
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  • CSM Tire Tread Step Plates 5 X 20 Inch

    CSM Tire Tread Step Plates 5 X 20 Inch

    CHROME SHOP MAFIA

    $209.99 - $276.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksCSM Unpainted Tire Tread Step Plates 5 X 20 InchChrome Shop Mafia Tire Tread Step Plates* High Quality...
    PPR_299016
    SKU:
    PPR_299016
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Location:
    Made In USA
    Height Options:
    20 Inch
    Finish Options:
    Paintable
    Width Options:
    5 Inch
    Ready To Ship:
    Yes
    $209.99 - $276.99
    Qty in Cart: 0
    Price:
    $209.99 - $276.99
    Subtotal:
  • CSM Truckin Aint Easy Step Plates 5 X 20 Inch

    CSM Truckin Aint Easy Step Plates 5 X 20 Inch

    CHROME SHOP MAFIA

    $209.99 - $276.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksCSM Truckin Aint Easy Unpainted Step Plates 5 X 20 Inch5 X 20 Inch Truckin Aint Easy Step Plates By...
    PPR_299017
    SKU:
    PPR_299017
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Width Options:
    5 Inch
    Location:
    Made In USA
    Height Options:
    20 Inch
    Ready To Ship:
    Yes
    $209.99 - $276.99
    Qty in Cart: 0
    Price:
    $209.99 - $276.99
    Subtotal:
  • CSM Keep On Truckin Step Plates 5 X 20 Inch

    CSM Keep On Truckin Step Plates 5 X 20 Inch

    CHROME SHOP MAFIA

    $209.99 - $276.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksCSM Keep On Truckin Unpainted Step Plates 5 X 20 Inch5 X 20 Inch Keep On Truckin Plates By Chrome Shop...
    PPR_299018
    SKU:
    PPR_299018
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Width Options:
    5 Inch
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Height Options:
    20 Inch
    $209.99 - $276.99
    Qty in Cart: 0
    Price:
    $209.99 - $276.99
    Subtotal:
  • SS Trough Style Flush Mount Air Line Box Kit With Two 7-Way Plugs by CSM

    SS Trough Style Flush Mount Air Line Box Kit With Two 7-Way Plugs by CSM

    CHROME SHOP MAFIA

    $479.99
    SS Trough Style Flush Mount Air Line Box Kit With Air & Electrical Fittings By Chrome Shop Mafia* High Quality Air Line Box Kit* Includes:  - (2) 7-Way Plugs  - (2) Bulkhead Fittings  - (2) Male...
    09-0504316K01
    SKU:
    09-0504316K01
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $479.99
    Qty in Cart: 0
    Price:
    $479.99
    Subtotal:
  • Stainless Steel Trough Style Air Line Box Kit With 7-Way Plugs by CSM

    Stainless Steel Trough Style Air Line Box Kit With 7-Way Plugs by CSM

    CHROME SHOP MAFIA

    $455.99
    SS Trough Style Flush Mount Air Line Box Kit With Air & Electrical Fittings By Chrome Shop Mafia* High Quality Air Line Box Kit* Includes:  - (1) 7-Way Plugs  - (2) Bulkhead Fittings  - (2) Male...
    09-0504315K01
    SKU:
    09-0504315K01
    Product Type:
    Frame & Chassis
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $455.99
    Qty in Cart: 0
    Price:
    $455.99
    Subtotal:
  • Stainless Steel Surface Mount Air Line Box Kit With One 7-Way Plugs by CSM

    Stainless Steel Surface Mount Air Line Box Kit With One 7-Way Plugs by CSM

    CHROME SHOP MAFIA

    $500.99
    SS Air Line Box Kit With Air & Electrical Fittings By Chrome Shop Mafia* High Quality Air Line Box Kit* Includes:  - (1) 7-Way Plugs  - (2) Bulkhead Fittings  - (2) Male Quick Couplers  - (2) Female...
    09-0504306K01
    SKU:
    09-0504306K01
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $500.99
    Qty in Cart: 0
    Price:
    $500.99
    Subtotal:
  • 24 Inch Stainless Steel Coffin Style Air Line Box Kit With Two 7-Way Plugs by CSM

    24 Inch Stainless Steel Coffin Style Air Line Box Kit With Two 7-Way Plugs by CSM

    CHROME SHOP MAFIA

    $479.99
    24 Inch SS 18 Inch Coffin Style Air Line Box Kit With Air & Electrical Fittings By Chrome Shop Mafia* High Quality Air Line Box Kit* Includes:  - (2) 7-Way Plugs  - (2) Bulkhead Fittings  - (2) Male...
    09-0504002K01
    SKU:
    09-0504002K01
    Material Options:
    Stainless Steel
    Length Options:
    24 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $479.99
    Qty in Cart: 0
    Price:
    $479.99
    Subtotal:
  • Stainless Steel Surface Mount Air Line Box Kit With 7-Way Plugs by CSM

    Stainless Steel Surface Mount Air Line Box Kit With 7-Way Plugs by CSM

    CHROME SHOP MAFIA

    $457.99
    SS Air Line Box Kit With Air & Electrical Fittings By Chrome Shop Mafia* High Quality Air Line Box Kit* Includes:  - (1) 7-Way Plug  - (2) Bulkhead Fittings  - (2) Male Quick Couplers  - (2) Female...
    09-0504301K01
    SKU:
    09-0504301K01
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $457.99
    Qty in Cart: 0
    Price:
    $457.99
    Subtotal:
  • 18 Inch Stainless Steel Coffin Style Air Line Box Kit With 7-Way Plugs by CSM

    18 Inch Stainless Steel Coffin Style Air Line Box Kit With 7-Way Plugs by CSM

    CHROME SHOP MAFIA

    $481.99
    18 Inch SS 18 Inch Coffin Style Air Line Box Kit With Air & Electrical Fittings By Chrome Shop MafiaNeed a sleek and durable solution for your truck's deck plate? Check out the 18 Inch Air Line Box...
    09-0504001K01
    SKU:
    09-0504001K01
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Length Options:
    18 Inch
    Make:
    Universal Items
    $481.99
    Qty in Cart: 0
    Price:
    $481.99
    Subtotal:
  • SS Frame Mount Steps 12 Inch

    SS Frame Mount Steps 12 Inch

    VALLEY CHROME PLATING

    $213.99
    12 Inch SS Steps With Chrome Steel Sides By Valley ChromeAccess the frame area of your truck with ease using 12-inch truck frame steps! Simple to install and designed for practicality, these steps...
    09-050515
    SKU:
    09-050515
    Length Options:
    12 Inch
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $213.99
    Qty in Cart: 0
    Price:
    $213.99
    Subtotal:
  • Diamond Plated Aluminum Step Box With Gaiter Door & Air Shock By Sturdy-Lite

    Diamond Plated Aluminum Step Box With Gaiter Door & Air Shock By Sturdy-Lite

    STURDY-LITE

    $738.99 - $815.99
    Choose Option(s) to see description.Sturdy-Lite 24 Inch Diamond Plated Aluminum Step Box With Gator Door & Air ShockSturdy-Lite 24 Inch Diamond Plated Aluminum Step Box* High Quality Step Box* 24...
    PPR_298998
    SKU:
    PPR_298998
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $738.99 - $815.99
    Qty in Cart: 0
    Price:
    $738.99 - $815.99
    Subtotal:
  • Leaf Spring Repair Plates With No Center Hole

    Leaf Spring Repair Plates With No Center Hole

    AFTERMARKET

    $110.99 - $127.99
    Choose Option(s) to see description.Leaf Spring Repair Plate 2.76 X 0.472 X 66 Inch OAL W/ 6.5 Inch ArchSpring Steel Repair Plate With No Center Hole* High Quality Repair Plate* Dimensions:  - 2.75...
    PPR_298959
    SKU:
    PPR_298959
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $110.99 - $127.99
    Qty in Cart: 0
    Price:
    $110.99 - $127.99
    Subtotal:
  • Trunnion Bushing 3.5 ID X 4.5 OD X 3.5 Inch

    Trunnion Bushing 3.5 ID X 4.5 OD X 3.5 Inch

    AUTOMANN USA

    $13.98
    Trunnion Bushing E1334, R301334, 91008040, TA802A, And 15875* High Quality Trunnion Bushing* Dimensions:  - 3.5 Inch ID   - 4.5 Inch OD   - 3.5 Inch Length* Sold Individually* Warranty On Trunnion...
    29-05250050
    SKU:
    29-05250050
    Truck Class:
    Heavy Duty
    Diameter Options:
    3 1/2 Inch
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $13.98
    Qty in Cart: 0
    Price:
    $13.98
    Subtotal:
  • Walking Beam - 54 Inch Axle Spread 40K Low Mount For Chalmers Rear 800

    Walking Beam - 54 Inch Axle Spread 40K Low Mount For Chalmers Rear 800

    AFTERMARKET

    $1,283.99
    Chalmers Walking Beam Replaces Parts 800079. 3578486C1Maximize suspension reliability with this premium Walking Beam for Chalmers Rear 800, designed for a 54-inch axle spread and built to handle 40K...
    29-05100300
    SKU:
    29-05100300
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $1,283.99
    Qty in Cart: 0
    Price:
    $1,283.99
    Subtotal:
  • 5 3/4 Inch End Beam Bushing Assembly For Hendrickson 480-520 Series

    5 3/4 Inch End Beam Bushing Assembly For Hendrickson 480-520 Series

    AFTERMARKET

    $180.99
    Hendrickson End Beam Bushing Assembly* High Quality End Beam Bushing Assembly* Consists Of   - (1) End Beam Bushing   - (1) Adapter Kit* 5 3/4 Inch* Made In USA* Sold Individually* Warranty On End...
    29-05100284
    SKU:
    29-05100284
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $180.99
    Qty in Cart: 0
    Price:
    $180.99
    Subtotal:
  • 5 3/4 Inch Poly End Beam Bushing Assembly For Hendrickson 340-460 Series

    5 3/4 Inch Poly End Beam Bushing Assembly For Hendrickson 340-460 Series

    AFTERMARKET

    $201.99
    OEM Style Hendrickson End Beam Bushing Assembly* High Quality End Beam Bushing Assembly* 5-3/4 Inch Bushing* Sold Individually* Warranty On End Beam Bushing Assemblies Against Defects In Workmanship...
    29-05100260
    SKU:
    29-05100260
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $201.99
    Qty in Cart: 0
    Price:
    $201.99
    Subtotal:
  • Poly V Steer Bushing 15 ID X 2.5 OD X 3.25 Inch OAL

    Poly V Steer Bushing 15 ID X 2.5 OD X 3.25 Inch OAL

    AFTERMARKET

    $65.99
    V Steer Bushing Replaces 90008203* High Quality V Steer Bushing* Poly* Dimensions:  - 1.5 Inch ID   - 2.5 Inch OD   - 3.25 Inch Overall Length* Sold Individually* Warranty On V Steer Bushings Against...
    29-05250049
    SKU:
    29-05250049
    Material Options:
    Plastic/Poly
    Diameter Options:
    1 1/2 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $65.99
    Qty in Cart: 0
    Price:
    $65.99
    Subtotal:
  • Walking Beam - 54 Inch Axle Spread 46 K High Mount For Chalmers Rear 800

    Walking Beam - 54 Inch Axle Spread 46 K High Mount For Chalmers Rear 800

    AFTERMARKET

    $1,417.99
    Chalmers Walking Beam Replaces 800061. 1515961C1. 351014408* High Quality Walking Beam Chalmers* 59 Inch Overall Length* 16.25 Inch C To C* Made In USA* Sold Individually* Warranty On Walking Beam...
    29-05100296
    SKU:
    29-05100296
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $1,417.99
    Qty in Cart: 0
    Price:
    $1,417.99
    Subtotal:
  • 5 3/4 Inch End Beam Bushing Assembly For Hendrickson 463 and 503 Series

    5 3/4 Inch End Beam Bushing Assembly For Hendrickson 463 and 503 Series

    AFTERMARKET

    $170.99
    End Beam Bushing Assembly Hendrickson* High Quality End Beam Bushing Assembly* Consists Of   - (1) End Beam Bushing   - (1) Adapter Kit* 5 3/4 Inch* Made In USA* Sold Individually* Warranty On End...
    29-05100283
    SKU:
    29-05100283
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $170.99
    Qty in Cart: 0
    Price:
    $170.99
    Subtotal:
  • Walking Beam - 60 Inch Axle Spread 46 K Low Mount - 800083 For Chalmers Rear 800

    Walking Beam - 60 Inch Axle Spread 46 K Low Mount - 800083 For Chalmers Rear 800

    AFTERMARKET

    $1,577.99
    Chalmers Walking Beam Replaces Part 800083* High Quality Walking Beam* 65 Inch Overall Length* 15.75 Inch C To C* Sold Individually* Warranty On Walking Beams Against Defects In Workmanship &...
    29-05100301
    SKU:
    29-05100301
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $1,577.99
    Qty in Cart: 0
    Price:
    $1,577.99
    Subtotal:
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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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