MerCruiser 39543A1 Engine Wire Wiring Harness 8-Pin Plug 1965-68 110hp 120hp 140

Item Details Compatible with Mercruiser Chevy GM 4cyl 110hp/120hp/140hp Engines, somewhere between 1965ish-1968 (It's a small window of serial numbers this part covers so just check your serial number to determine ultimate compatibility and I have included this information) Your engine should have a metal take on the rear starboard side near the flywheel housing with this serial number This is the odd Round 8-Pin MerCruiser Cannon plug that they only used from roughly 1964-1968 (See Pictures) MerCruiser Part number 39543 (Stamped) / 39543A1 - External Engine Wiring Harness Or check your engine serial number to confirm fitment: (Also make sure the plug pins match those in the included picture) 110hp 2.5L: S/N 1949902-2044033 120hp 2.5L: S/N 1951140-2726998 140hp 3.0L: S/N 2508261-2816416 Overall good condition. Some of the wires might need minor fixes. Not sure if the ballast resistor or solenoid are working. Purchase with confidence!