Bearing Support Nut Wrench, High Strength Metal Drive Tool for Mercruiser Bravo Pre-Generation 2 One TRS Outdrives and Mariner Outboards up to

1. Wide Compatibility: This nut wrench set is compatible with Mercruiser outboard motors > Alpha Bravo. It also fits Mariner outboard motors of 150 hp and above. 2. Replacement part numbers for the nut wrench are: 91 17256, 91 36235, 18 9803, and [missing part number]. The wrenches for the bearing retainer nuts are: 91 61069, 91 61069T, and 18 9858. 3. Main Function: This tool set allows for the removal and installation of the upper driveshaft housing and bearing retainer nut, simplifying installation and removal. 4. Robust Construction: High-strength metal construction resists strong torsion, allowing for larger and more complex tightening applications. 5. Exquisite Craftsmanship: The adjustable wrench drive tool adopts an excellent manufacturing process with stable performance, which can offer you superior usage results. Specifications: Item Type: Wrench Bearing Support Nut Wrench Material: Metal Part Number: Bearing Support Nut Wrench: 91 17256, 91 36235, 18 9803, Bearing Support Retainer Nut Wrench: 91 61069, 91 61069T, 18 9858. Application: Replacement for Mercruiser Alpha Bravo. Replacement for Mercruiser Alpha One, Pre Alpha, Generation 2, Bravo One, TRS outdrives. Also suitable for Mariner 150 HP and above outboard motors. Fits 4 3/8-inch retaining nut. Replaces Mercruiser part number: 91 61069. Not suitable for Bravo 2, 3, XR, or TR. Contents: 1 nut wrench, 1 nut cap wrench. Note: Please verify your item's part number; the corresponding information provided is for reference only.