The Bendix Pressure Reducing Valve RV-1, part number 279927, is a genuine Bendix air brake system component designed for heavy-duty truck applications. The RV-1 is a pressure reducing valve, a distinct valve type within the air brake circuit that steps down upstream air pressure to a lower regulated output pressure for downstream components. Sold individually as a single unit. Pro Gear and Transmission carries this genuine Bendix part. Call us to confirm proper fit for your application.Interchanges:BW279927A factory handling fee of $20.00 per unit is added at checkout.FeaturesBendix Pressure Reducing Valve RV-1Part number 279927Air brake system pressure reducing valveSold as a single unit (each)Genuine Bendix air brake component