Relay - Secondary Pump for Brake Booster / Secondary Air Injection pump

Relay no. R66, for vehicles fitted with the I661 Stricter emission controls option. Activates the secondary air injection upon start-up and as needed.

Fits:
Porsche 993 1995-98
Porsche 996 C2/C4/C4S 1998-05 (M661) Relay socket/code: S10
Porsche 996Turbo 2001-05 (M661) Relay socket/code: S10
Porsche 986 Boxster 1997-04 (M661) Relay socket/code: S10

Please check against the part number of the relay in your vehicle before ordering.

Factory Product Code: 999.657.017.90 99965701790 999 657 017 90