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windscreen wiper system
911 ('80-onwards) Rubber grommet for windscreen washer pump in washer tank.
964 (92-94), 993 (94-98, rear) 928 (91-95, front) Cap wiperarm nut, for wiperarms with double tension spring. (also used on 911 (76-91) and 928 (78-90) when the wiperarms have been replaced)