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Sierra Marine 18-2180 MerCruiser Lower Unit Drive Shaft Equivalent to 45-42634 used in all MerCruiser MR & Alpha One - Gen I lower units 1983-1990 <<<---Please make sure that the one you are replacing does not have a pre-load pin**** If you are looking for one with a preload pin (1970-1982)
The sticker is worn off of this (there was a cleaning mishap) but we know this is a 6cyl unit
84-815297A45
AQ140A BB140A
Some wear on some of the teeth
MerCruiser 84-89563A1 Quicksilver Control Box Power Trim Switch Wiring Harness Trim & Tilt Wiring Harness Sierra Marine 18-2180 MerCruiser LowerPart Number(s) Included MerCruiser 84 89563A1 Wire Wiring Harness General Application Compatibility MerCruiser 88150A7 "Quicksilver" Sterndrive Concealed Side Mount Control Boxes from the 1980's (The common ones with the square bezel see last photo for reference) Other Details Freshwater Used Parts Measures around 22' (standard length accounting for the coiled portion inside the controller) Purchase with confidence!
US$ 39.00
US$ 129.00