FORE & AFT MARINE
JOHNSON/EVINRUDE POWER PACKS
| SIERRA POWER PACK | ||
| HORSEPOWER | YEARS | POWER PACK |
| 4 | 1977-80,1984 | 18-5758 |
| 4.5 | 1980-84 | 18-5758 |
| 5 | 1984 | 18-5758 |
| 6 | 1977-79,1984 | 18-5758 |
| 7.5 | 1980-83 | 18-5758 |
| 9.9,15 | 1977-84 | 18-5758 |
| 20 | 1981-84 | 18-5758 |
| 25 | 1977-84ALL EXCEPT WORKWIN,WORKHORSE,COMM 1983 | 18-5758 |
| 30 | 1984 | 18-5758 |
| 35 | 1977-84 | 18-5758 |
| 40 | 1982 | 18-5758 |
| 50 | 1971-75 | 18-5755 |
| 50 | 1979,1981-84 | 18-5758 |
| 55 | 1968-69 | 18-5747 |
| 55 | 1976-77 | 18-5755 |
| 55 | 1978-82 | 18-5758 |
| 60 | 1970-71 | 18-5749 |
| 60 | 1980-84 | 18-5758 |
| 65 | 1968 | 18-5747 |
| 65 | 1972-73 | 18-5754 |
| 70 | 1974-78 | 18-5754 |
| 70,75 | 1979-84 | 18-5760 |
| 75 | 1975-78 | 18-5754 |
| 85 | 1968 | 18-5747 |
| 85 | 1969-72 | 18-5749 |
| 85 | 1973-77 ORDER 18-5756 F/PACK W/O COVER | 18-5753 18-5756 |
| 85 | 1978-80 | 18-5759 |
| 90 | 1981-83 | 18-5759 |
| 100 | 1971 | 18-5749 |
| 100 | 1968,72 | 18-5748 |
| 100 | 1979-80 | 18-5759 |
| 115 | 1969-70 | 18-5748 |
| 115 | 1973-77 | 18-5753 |
| 115 | 1978-83 | 18-5759 |
| 125 | 1971-72 | 18-5748 |
| 135 | 1973-76 | 18-5753 |
| 140 | 1977 | 18-5753 |
| 140 | 1978-83 | 18-5759 |
| 150 | 1979-84 PORT SIDE ONLY FOR 1983-STLCT | 18-5760 |
| 175 | 1977-78 2 PER ENGINE ORDER 18-5757 F/PACK W/O COVER | 18-5754 |
| 175 | 1979-83 2 PER ENGINE | 18-5760 |
| 185 | 19842 PER ENGINE | 18-5760 |
| 200 | 1976-782 PER ENGINE ORDER 18-5757 F/PACK W/O COVER | 18-5754 |
| 200 | 1979-832 PER ENGINE | 18-5760 |
| 235 | 19782 PER ENGINE ORDER 18-5757 F/PACK W/O COVER | 18-5754 |
| 235 | 1979-84 2 PER ENGINE PORT SIDE F1983 STLCT OR 1984 WITH SULFUX STARTING WITH S | 18-5760 |