Park Brake Upgraded “GREEN” Pressure Switch for J71 System ULTRASTOP

US21P – UltraStop P32 Upgraded Park Brake Pump Pressure Switch Part# US21P This kit Replaces GM Part Numbers: GM# 15961566 AC Delco# 15034355 Workhorse Part# W8001073 Applications: All P-Chassis 1996-2004 that use an automatic apply parking brake system with an electrically driven hydraulic pump. Features: Replaces the factory “High Failure” pressure switch on the pump commonly referred to as the “Rotten Green Switch” or “RGS”. This pressure switch is rated at one million cycles of operation. Easy installation and comes with instructions. INSTALLATION INSTRUCTIONS US21P_Word