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Schrader · Brakes & Wheel End
SCHVS-900-573
In stock · ships from Knoxville
This is a 4-3/8 inch clamp-in brass valve stem, one of the most common sizes for semi-trailer steel wheels.
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Industry standard for semi-trailers. Most common size in use. Fits steel wheels, not designed for aluminum wheels without verification.
Part data verified against 5 catalog sources
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It replaces a worn, cracked, or leaking valve stem to maintain proper tire pressure and prevent flats. The brass construction provides durability, resists corrosion, and withstands high temperatures and ozone exposure. Installation requires a 0.625 inch (5/8 inch) rim hole and is torqued to 35-55 inch-pounds to ensure a leak-proof seal.
Part Number: SCHVS-900-573
VALVE STEM 4.38
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside brakes & wheel end
