EM37260 Navistar 2506169C91 Leveling Valve

It’s a leveling valve designed to help maintain correct ride height in heavy-duty truck suspension systems. By regulating air flow in the air suspension, it helps keep the chassis level as load conditions change. This supports more stable handling and more consistent suspension performance.

Yes, it is commonly referenced as a replacement for Navistar 2506169C91. To confirm fitment, match the part number and verify the linkage style, port configuration, and mounting points on your truck suspension leveling valve. If your existing valve is labeled Navistar 2506169C91, this is typically the correct cross.

Common signs include uneven ride height, the suspension not returning to level after loading, or frequent air corrections while driving. You may also notice air leaks around the air suspension valve or erratic changes in ride height. Inspect the valve, air lines, and linkage for damage, binding, or leaks before replacement.