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ZF WABCO · Air System
47219503330
In stock · ships from Knoxville
This is a ZF WABCO trailer ABS modulator valve that controls air pressure to the brake chambers during anti‑lock braking events.
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Verified fitment for 3 applications
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All confirmed applications for this part number.
Other applications
Other applications
The part number likely corresponds to the standard WABCO 4721950330 valve. Verify the required ABS configuration (2S/1M vs. 2M/3M) and connector type before ordering.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 5 of 5.
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It is commonly used in 2S/1M or 2M/3M Easy‑Stop ABS systems on semi‑trailers. The valve is replaced when it causes ABS fault codes, erratic braking, brake drag, or when the ABS warning lamp stays on and diagnostics point to a modulator failure.
Part Number: 47219503330
TRAILER VALVE
Vendor: K&L Parts and Service
Dealer: KP Services Crossville
Compatibility, alternatives, and more
Parts commonly needed alongside air system
