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Sierra 18-2171 MerCruiser 76850A2 GM Engine Coupler

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Sierra 18-2171 MerCruiser 76850A2 GM Engine Coupler
Retail Price: $314.89
Your Price: $245.58
You Save: $69.31 (22 %)
10 in stock. Ships same day or next business day.
Part Number: SIERRA-18-2171
Manufacturer: Sierra Marine
Manufacturer Part No: 18-2171
Sierra 18-2171 MerCruiser 76850A2 GM Engine Coupler. Aftermarket engine coupler connects early model Mercruiser GM engines to stern drives.
  • Engine coupler is used on Mercruiser GM engines except MR, Alpha and Bravo with triangular 3 bolt coupler
  • Fits Mercruiser 153 CID model 110 from 1963 to 1966 with serial number range 1537370-2044033
  • Fits Mercruiser 153 CID model 120 from 1964 to 1982 with serial number range 1537370-6229717
  • Fits Mercruiser 181 CID model 140 from 1968 to 1982 with serial number range 2508261- 6229717
  • Fits Mercruiser 181 CID model 3.0L from 1987 to 1989 with serial number range B450801-C856558 crankshaft mounted coupler 
  • Fits Mercruiser 229 CID model 185 4bbl from 1983-1984 with serial number range 6330183 - 6919655
  • Fits Mercruiser 305 CID model 228 from 1977 to 1982 with serial number range 4765100 - 6218461
  • Fits Mercruiser 350 CID model 260 from 1978 to 1982 with serial number range 4908850 - 621846
  • Replaces Mercury 32492A2, 32492A3, 32492A5, 38965A1, and 76850A2
  • Replaces Mallory 9-72502

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