Sparex source: https://us.sparex.com/air-water-valve-core-housing-594-fast-flow-19276.html Product: Air-water Valve Core Housing (594 - Fast Flow) - Sparex S.19276 SKU: S.19276 Listing note: Air/Water Valve core housing. (594 - Fast flow) Detail enrichment pending: OEM cross references, fitment, catalog pages, and full specifications.