In the factory design, the oil pickup pipe located in the oil pan is sealed to the oil pump with an axially pressed rubber piece. After years of usage, this seal will start to leak, decreasing the oil pressure feeding the engine, especially during a cold start. With this CNC flange the seal is no longer axially, but radially and consists of two Viton O ring seals, which is a far more reliable solution.
With the flange also additional Viton O rings for the oil level sensor and crankcase breathing system are supplied.
Replaces seal 71754365 or 71749352.