The Bendix Safety Valve ST-4, part number K039542 (also listed as BWK039542), is a genuine Bendix air brake safety valve sold individually. The ST-4 designation identifies this as a safety valve within the Bendix air system product line, designed to protect downstream brake circuit components from overpressure conditions. This is a direct-fit Bendix part sold by Pro Gear and Transmission. Not sure this is the right valve for your setup? Give us a call and we can help confirm proper application before you order.
Features
Genuine Bendix Safety Valve, ST-4 series
Part number K039542, also cross-referenced as BWK039542
Sold as individual unit (each)
Designed for air brake system overpressure protection
Retail Vendor Code: BW (Bendix/Wabtec)
