Volvo 20973777 Pressure Sensor Kit

Technical specification for Volvo 20973777 common rail fuel pressure sensor service kit. The assembly comprises a high-pressure rail sensor element with integrated O-ring seal and a pressure relief safety valve with O-ring. Designed for direct mounting on fuel rail of Volvo 5L and 7L common rail diesel engines. Sensor outputs analog voltage signal proportional to fuel rail pressure for ECU closed-loop control. Kit enables complete fuel rail pressure monitoring circuit restoration during scheduled maintenance or injector service intervals. Material construction features stainless steel sensor body with glass-to-metal hermetic seal, Viton O-rings rated for diesel fuel compatibility at 1800 bar peak pressure. Electrical connector follows Bosch 3-pin bayonet interface. Interchangeable with Bosch 0281002937 sensor element. Cross-references include Volvo VOE20973777, Deutz 04297148, and aftermarket RK-777 SK-73777 kits.