The Bendix SR-7 Spring Brake Valve, part number K105537, is a genuine Bendix air brake component designed to control the application and release of spring brakes on heavy-duty commercial vehicles. The SR-7 valve manages the air pressure that holds spring brakes in the released position, providing a fail-safe mechanism that applies the brakes when air pressure drops. Sold individually, this is a direct Bendix part. Call us to confirm proper fit for your specific application before ordering.Interchanges:BWK105537A factory handling fee of $20.00 per unit is added at checkout.FeaturesBendix SR-7 Spring Brake ValveGenuine Bendix part number K105537Designed for heavy-duty commercial vehicle air brake systemsControls application and release of spring brakesSold as individual unit (each)A genuine Bendix part from Pro Gear and Transmission