null

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!
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 9.75 Inch SS Swoop Style Air Tank Straps - 3.00 Inch Wide

    9.75 Inch SS Swoop Style Air Tank Straps - 3.00 Inch Wide

    PHOENIX DESIGN

    $107.99
    3 X 9.75 Inch Stainless Steel Swoop Air Tank Straps* High Quality Air Tank Strap* Made Of 304 Stainless Steel* 9.75 Inches Diameter X 3.0 Inches Wide* Swoop Style * Sold As Pair * Made In USA*...
    09-051400007
    SKU:
    09-051400007
    Truck Class:
    Universal
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $107.99
    Qty in Cart: 0
    Price:
    $107.99
    Subtotal:
  • Stainless Steel Air Tank Straps 9.75 X 1.5 Inch By Phoenix

    Stainless Steel Air Tank Straps 9.75 X 1.5 Inch By Phoenix

    PHOENIX DESIGN

    $125.99
    1.5 X 9.75 Inch Stainless Steel Air Tank Straps* High Quality Air Tank Strap* Made Of 304 Stainless Steel* 9.75 Inches Diameter X 1.5 Inches Wide* Sold As Pair * Made In USA* Warranty On Air Tank...
    09-051400006
    SKU:
    09-051400006
    Truck Class:
    Universal
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $125.99
    Qty in Cart: 0
    Price:
    $125.99
    Subtotal:
  • 8.25 Inch SS Slotted Air Tank Straps - 3 Inch Wide

    8.25 Inch SS Slotted Air Tank Straps - 3 Inch Wide

    PHOENIX DESIGN

    $97.99
    3 X 8.25 Inch Stainless Steel Slotted Air Tank Straps* High Quality Air Tank Strap* Made Of 304 Stainless Steel* 8.25 Inches Diameter X 3.0 Inches Wide* Slotted Style * Sold As Pair * Made In USA*...
    09-051400005
    SKU:
    09-051400005
    Location:
    Made In USA
    Truck Class:
    Universal
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $97.99
    Qty in Cart: 0
    Price:
    $97.99
    Subtotal:
  • 8.25 Inch SS Swoop Style Air Tank Straps - 3 Inch Wide

    8.25 Inch SS Swoop Style Air Tank Straps - 3 Inch Wide

    PHOENIX DESIGN

    $96.99
    3 X 8.25 Inch Stainless Steel Swoop Air Tank Straps* High Quality Air Tank Strap* Made Of 304 Stainless Steel* 8.25 Inches Diameter X 3.0 Inches Wide* Swoop Style * Sold As Pair * Made In USA*...
    09-051400004
    SKU:
    09-051400004
    Location:
    Made In USA
    Truck Class:
    Universal
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $96.99
    Qty in Cart: 0
    Price:
    $96.99
    Subtotal:
  • 8.25 Inch SS Air Tank Straps - 3 Inch Wide

    8.25 Inch SS Air Tank Straps - 3 Inch Wide

    PHOENIX DESIGN

    $108.99
    3 X 8.25 Inch Stainless Steel Air Tank Straps* High Quality Air Tank Strap* Made Of 304 Stainless Steel* 8.25 Inches Diameter X 3.0 Inches Wide* Sold As Pair * Made In USA* Warranty On Air Tank Strap...
    09-051400003
    SKU:
    09-051400003
    Truck Class:
    Universal
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $108.99
    Qty in Cart: 0
    Price:
    $108.99
    Subtotal:
  • 5 Trumpet Chrome Train Horn W/ 12 V Heavy Duty Electric Solenoid

    5 Trumpet Chrome Train Horn W/ 12 V Heavy Duty Electric Solenoid

    UNITED PACIFIC

    $424.99
    5 Trumpet Train HornIf you are looking for a great sounding horn for your truck? 4 State Trucks offers this quality 5 chrome-plated trumpet train horn. It comes with a 12V heavy-duty electric...
    09-051375
    SKU:
    09-051375
    Truck Class:
    Universal
    Style Options:
    5 Bell
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Shape Options:
    Round
    Product Type:
    Frame & Chassis
    $424.99
    Qty in Cart: 0
    Price:
    $424.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome Plated 4 Trumpet Chrome Train Horn W/ Electric Solenoid

    Chrome Plated 4 Trumpet Chrome Train Horn W/ Electric Solenoid

    TRUX ACCESSORIES

    $189.99
    12V 4 Trumpet Train Horn W/ 120 PSI MaxMake sure you are heard with this quality 4 Trumpet Chrome Plated Train Horn. It comes with an electric solenoid and produces 155 decimals of sound. Made to...
    09-051321
    SKU:
    09-051321
    Truck Class:
    Universal
    Style Options:
    4 Bell
    Material Options:
    Aluminum
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Length Options:
    15 1/4 Inch
    Shape Options:
    Round
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $189.99
    Qty in Cart: 0
    Price:
    $189.99
    Subtotal:
  • FREE SHIPPING
    Turbo Air Compressor & 5.5 Liter Extended Tank Kit For Train Horns

    Turbo Air Compressor & 5.5 Liter Extended Tank Kit For Train Horns

    UNITED PACIFIC

    $324.99
    Train Horn Turbo Heavy Duty Air Compressor & Tank KitThis heavy duty air compressor and 5.5 liter air tank kit is designed for use with high pressure air / train horns. The units also have on-board...
    09-051301
    SKU:
    09-051301
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Steel
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $324.99
    Qty in Cart: 0
    Price:
    $324.99
    Subtotal:
  • Minimizer Jost JSK37H 5th Wheel Slick Plate Mounting Kit 100088 - Bar Not Included

    Minimizer Jost JSK37H 5th Wheel Slick Plate Mounting Kit 100088 - Bar Not Included

    MINIMIZER

    $53.99
    Minimizer Slick Plate 100088 Jost FW 37th Mounting Hardware Kit* High Quality Mounting Hardware Kit* 100088 Jost FW 37H Mounting Hardware Kit* Ram Bar Not Included* Sold Individually* Warranty On...
    09-0511066
    SKU:
    09-0511066
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • Minimizer Slick Plate Ram Bars For 100088 JSK37H - Bars Only

    Minimizer Slick Plate Ram Bars For 100088 JSK37H - Bars Only

    MINIMIZER

    $56.99
    Minimizer Slick Plate Ram Bars For 100088 JSK37H* High Quality Slick Plate Ram Bars* For 100088 JSK37H* No Hardware Just Bars* 5.75 Inch Length* Sold Individually* Warranty On Slick Plate Ram Bars...
    09-0511065
    SKU:
    09-0511065
    Location:
    Made In USA
    Truck Class:
    Universal
    Length Options:
    6 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • Minimizer Slick Plate 100061 FW 35 Ram Bars

    Minimizer Slick Plate 100061 FW 35 Ram Bars

    MINIMIZER

    $65.99
    Minimizer Slick Plate 100061 FW 35 Ram Bars - Bars Only* High Quality Ram Bars* FW 35 Ram Bars Only* Hardware Not Included, Please See Part 09-0511063 For Hardware* For Slick Plate 09-05110218 - Sold...
    09-0511064
    SKU:
    09-0511064
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $65.99
    Qty in Cart: 0
    Price:
    $65.99
    Subtotal:
  • Mounting Hardware Kit For 5th Wheel Slick Plate

    Mounting Hardware Kit For 5th Wheel Slick Plate

    MINIMIZER

    $93.99
    Hardware Kit For Mounting Minimizer 5th Wheel Slick Plate* High Quality Hardware Kit* Mounting Hardware For 5th Wheel Slick Plate* Includes:  - Bolts  - Washers  - Nuts* Ram Bar And 5th Wheel Slick...
    09-0511063
    SKU:
    09-0511063
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $93.99
    Qty in Cart: 0
    Price:
    $93.99
    Subtotal:
  • FREE SHIPPING OVER $249
    31 Inch Chrome 5th Wheel Pin Puller With S Hook & Bar Style Handle

    31 Inch Chrome 5th Wheel Pin Puller With S Hook & Bar Style Handle

    UNITED PACIFIC

    $14.96
    31 Inch Chrome Fifth Wheel Pin Puller With HookThis multiple purpose 5th wheel pin puller is designed to help you release the king pin without the need to climb under the trailer and use two hands to...
    09-05110509
    SKU:
    09-05110509
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $14.96
    Qty in Cart: 0
    Price:
    $14.96
    Subtotal:
  • FREE SHIPPING OVER $249
    Sliding 5th Wheel Coiled Air Line With Cold Temp Resistance

    Sliding 5th Wheel Coiled Air Line With Cold Temp Resistance

    UNITED PACIFIC

    $14.79
    Sliding Fifth Wheel Coiled Air Line With 1/4 Inch Male Pipe ConnectorThis high quality 5th wheel coiled air line is made with a cold temperature resistant nylon and can be recoiled smaller for easy...
    09-05110508
    SKU:
    09-05110508
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $14.79
    Qty in Cart: 0
    Price:
    $14.79
    Subtotal:
  • 24 Inch Chrome Steel 5th Wheel Pin Puller W/ 5 Inch Wide Red Coated Grip

    24 Inch Chrome Steel 5th Wheel Pin Puller W/ 5 Inch Wide Red Coated Grip

    GRAND GENERAL

    $17.25
    Heavy Duty Fifth Wheel Pin PullerNeed to adjust your axle weight and 5th wheel lock quickly? 4 State Trucks offers this heavy duty 5th Wheel Puller Tool. Made of chrome plated steel, the body...
    09-05110507
    SKU:
    09-05110507
    Length Options:
    24 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    $17.25
    Qty in Cart: 0
    Price:
    $17.25
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome Heavy Duty 36 Inch Fifth Wheel Pin Puller W/ Hook

    Chrome Heavy Duty 36 Inch Fifth Wheel Pin Puller W/ Hook

    TRUX ACCESSORIES

    $16.05
    5th Wheel Pin PullerReach and release a king pin from under your trailer with this chrome steel 5th Wheel Puller with hook. It measures 36 inches long and has a wide handle for easy use.* High...
    09-05110505
    SKU:
    09-05110505
    Width Options:
    4 Inch
    Length Options:
    36 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $16.05
    Qty in Cart: 0
    Price:
    $16.05
    Subtotal:
  • 5th Wheel Slick Plate

    5th Wheel Slick Plate

    MINIMIZER

    $329.99
    5th Wheel Slick Plate* High Quality Slick Plate* For Fontaine 5th Wheel* Sold Individually* Warranty On Plate Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    09-051105
    SKU:
    09-051105
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $329.99
    Qty in Cart: 0
    Price:
    $329.99
    Subtotal:
  • 3000 Series Fontaine 5th Wheel Slick Plate

    3000 Series Fontaine 5th Wheel Slick Plate

    MINIMIZER

    $336.99
    Slick Plate For 3000 Series Fontaine Fifth Wheel* High Quality Slick Plate* Dimensions   - 35 Inch Length   - 26.5 Inch Width   - 6 Inch Height* The Non-Stick Polymer Surface Eliminates The Need To...
    09-05110404
    SKU:
    09-05110404
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $336.99
    Qty in Cart: 0
    Price:
    $336.99
    Subtotal:
  • Minimizer Fontaine 5th Wheel Slick Plate 29 X 35.5 Inch

    Minimizer Fontaine 5th Wheel Slick Plate 29 X 35.5 Inch

    MINIMIZER

    $336.99
    Fontaine 29 X 35.5 Inch 5th Wheel Slick PlateThis 29 Inch X 35.5 Inch Fontaine 5th Wheel Slick Plate eliminates the need to grease your fifth wheel and provides an easy, clean way to protect and...
    09-05110403
    SKU:
    09-05110403
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $336.99
    Qty in Cart: 0
    Price:
    $336.99
    Subtotal:
  • Minimizer Fontaine 5th Wheel Slick Plate For Top Plate 6000 No Slack II

    Minimizer Fontaine 5th Wheel Slick Plate For Top Plate 6000 No Slack II

    MINIMIZER

    $336.99
    Fontaine Fifth Wheel Slick PlateThe Premier 5th Wheel Slick Plate protects the fifth wheel and eliminates the need for greasing the top plate. Installation is a breeze and the kit comes with all...
    09-05110401
    SKU:
    09-05110401
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $336.99
    Qty in Cart: 0
    Price:
    $336.99
    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.


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!