It is best practice to replace these o-rings every time you change your sterndrive's gear oil
290DPA 876631
but we recommend measuring your application area to ensure a good fit
7L 1986–1993 984461 584 5
the inclusion of two identical oil seals is correct for the intended application on the Alpha One Gen II driveshaft housing assembly
Thermostat Kit (160°F) – Fits Mercruiser 4.3L-8.2L SternDrive Motors (Replaces 807252Q5, 807252T8, 8M0091470) 115HP It is best practice toProduct Details This aftermarket Thermostat Kit (160F) Fits Mercruiser 4. 3L 8. 2L SternDrive Motors (Replaces 807252Q5, 807252T8, 8M0091470) is designed for a wide range of Mercury Mercruiser V6 & V8 SternDrive engines (4. 3L, 5. 0L, 5. 7L, 7. 4L, and 8. 2L) manufactured between 1987 and 2016. It serves as a direct cross reference for Mercruiser parts 807252Q5, 807252T8, 8M0091470, and 8M0109441, and interchanges with Sierra 18 3647, GLM 13101, and