9660 PLUNGER INTERLOCK SWITCH MULTI APPLICATI SCAG WALK-BEHIND MOWERS SFC-30 (SFC-30-7CV-S) Replace relay if clicking occurs

Replace relay if clicking occurs without power delivery or if circuits fail intermittently

brush cutters

Models using engine-mounted clutch and belt drive systems

OEM replacement

Built to meet Hydro-Gear’s original manufacturing standards

9660 PLUNGER INTERLOCK SWITCH MULTI APPLICATI SCAG WALK-BEHIND MOWERS SFC-30 (SFC-30-7CV-S) Replace relay if clicking occurs9660 Plunger Interlock Switch Multi Application (OEM Replacement Part) The 9660 Plunger Interlock Switch Multi Application is a high quality OEM replacement safety switch designed for lawn mowers, zero turn mowers, garden tractors, and commercial outdoor power equipment. This plunger style interlock switch plays a critical role in operator safety systems by monitoring equipment status and helping control PTO, brake, and operator presence functions.