We support 12 months’ Warranty. For Blackhawk (all years). Mercury Outboard Tool Mercruiser Retainer Nut Tool Alpha Bravo Outdrive Bearing Carrier Retainer Nut Wrench Tool For Mercruiser Alpha One, Bravo One, TRS Outdrives – Replaces #91-61069, 91-61069T Marine Engine Tool MerCruiser Retainer Tool For 1982 and earlier R, MR. This is MerCruiser p/n 91- 61069T lower bearing carrier wrench. It will fit the 4 3/8" retainer nut in the lower housing on all #1 MerCruiser drives made from 1966 to Date including Pre-Alpha, Alpha One, Generation II, Bravo I and TRS 【Function】Used to remove and install bearing carrier retainer nuts on drive units and outboards. For Alpha Generation II (all years). 【Replacement】Replacement for part number: 91-61069, 91-61069T, 18-9858., 【Superior Material】Made of high quality solid steel with black anodizing, and precision manufacturing, sturdy and durable, impact-resistant, corrosion-resistant. 【Fitment】Fit for all mercruiser Alpha one, Pre Alpha, Generation 2, Bravo One, Trs outdrives. For 1983-1990 Alpha Generation I. Sunluway Bearing Retainer Spanner Wrench & Carrier Retainer 【Fitment】 For all mercruiser Alpha one, Pre Alpha, Generation 2, Bravo One, Trs outdrives. Features: 1. Application: Fit for all mercruiser Alpha one, Pre Alpha, Generation 2, Bravo One, Trs outdrives. For Mercury / Mariner outboards 150HP and up. For 1982 and earlier R, MR. For 1983-1990 Alpha Generation I. For Alpha Generation II (all years). For MC1 (all years). For Bravo (all years). For Blackhawk (all years). Not fits for Bravo 2, 3, XR, or TR. 2. Replacement: Replaces for OEM... Removes 4-3/8 retainer nut.