Switch Box / Power Pack – Fits Mercury & Force 3 & 6 Cyl 50-275 HP (Replaces 332-7778A12, 332-7778A9, 332-7778A6) family-mercury-v-150-efi-2-5l Install the new driveshaft key

Install the new driveshaft key and slide the new impeller onto the shaft

19700A 2 (Plate) × 1

Outdoor use with waterproof

torquing bolts to manufacturer specifications in a cross-pattern

If using hose clamps

Switch Box / Power Pack – Fits Mercury & Force 3 & 6 Cyl 50-275 HP (Replaces 332-7778A12, 332-7778A9, 332-7778A6) family-mercury-v-150-efi-2-5l Install the new driveshaft keySwitch Box Power Pack Fits Mercury & Force 3 & 6 Cyl 50 275 HP (Replaces 332 7778A12, 332 7778A9, 332 7778A6) This switch box power pack is a direct replacement for 3 & 6 cylinder Mercury and Force outboards from 50 to 275 HP, specifically designed for models using an Alternator Discharge Ignition (ADI) system. It ensures reliable spark timing and engine performance, restoring your outboard's ignition system to factory standards. This unit directly