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ECS recommends applying a light film of grease when installing valve stem caps
This product also goes by these part numbers: 06A131102H
and C-clip replaced
OEM Quality: Meets or exceeds original equipment specifications for perfect fit and function
OEM Quality: Hitachi sensors meet or exceed original equipment specifications
Bosch Fuel Pump Check Valve 893906093 for Porsche & Audi (1583386514) Crankshaft Position Sensor ECS recommends applying a lightThis Bosch fuel pump check valve (part number 893906093 1583386514) ensures fuel flows in one direction, preventing backflow that can damage the pump and reduce efficiency. Designed for Porsche (and compatible Audi) models, it offers reliable performance and easy installation. An essential component for maintaining proper fuel system operation. Key Features & Benefits Prevents Backflow: Stops fuel from flowing backwards when the pump is off,