This fits your .
Fits all Mercruiser Alpha one, Pre Alpha, Generation 2, Bravo One, Trs outdrives
Will also fit Mercury / Mariner outboards 150HP an.
Will fit the 4 3/8" retainer nut.
Will not fit Bravo 2, 3, XR, or TR.
The tool set are used to remove and install driveshaft housing (upper) bearing retainer nut (By U joint shaft) on #1 (1982 and earlier), R, MR, Alpha Gen 1 (1983 -1990), Alpha Generation ll (all), MC1, and all Bravo and Blackhawk units.
1 x Drive Spanner + 1 x Bearing Carrier Tools
Gallop Boat Drive Spanner Wrench & Bearing Carrier Nut Tools Set fits Mercruiser Alpha One Bravo One U-joint Retainer Wrench OE# 91-61069 for 4 3/8" Retainer Nut Boat/Marine Drive Bearing Retainer - B073QMMB2F