MerCruiser Shift Interrupter Neutral Kill Switch 49646A1 120hp 140hp 165hp Early Oil Senders Pumps and Remote Filters This is a stock photo

This is a stock photo you will receive a set like this in similar condition

1978 1979  (and possibly others)

The sticker is worn off of this (there was a cleaning mishap) but we know this is a 6cyl unit

) GM 305 V-8 1981-1986 5907058 THRU 0B522505

Part Number 550430 Stamped on housing

MerCruiser Shift Interrupter Neutral Kill Switch 49646A1 120hp 140hp 165hp Early Oil Senders Pumps and Remote Filters This is a stock photoItem Details MerCruiser McGill Shift Interrupter Neutral Safety Shift Cut Out Kill Switch 49646A1 49646A2 This type of switch was mounted directly to the transom plate and the ends "plugged" into a terminal. Overall good condition Tested & working! Applications Generally found on Early MerCruiser Sterndrives where the ends of the plug went into a terminal rather than having a screw connection. 1960's early to mid 70's 120hp 2. 5L 4cyl 140hp 3. 0L 4cyl