Rareelectrical Drive Shaft Torque Tool 8-Spline Adapter Compatible With Mercury Mariner Outboard Mercruiser Sterndrive Gearcase Lower Unit Service Tool 91-90094 34377A1 34377 91-34377A1

MERCURY / MARINER OUTBOARD MOTORS: Mercury Outboard — All models with 8-spline drive shaft gearcase Mariner Outboard — All models with 8-spline drive shaft gearcase MERCRUISER STERNDRIVE: Mercruiser Sterndrive — Gear cases with 8-spline drive shaft OEM PART NUMBERS: Mercury / Quicksilver: 91-90094 / 9190094 Mercury: 91-34377A1 / 9134377A1 / 91-34377 / 9134377 Mercury: 34377 / 34377A1 SUPERSESSION: 34377 → 34377A1 → 91-34377 → 91-34377A1 → 91-90094 (current) SPECIFICATIONS: Type: Drive Shaft Torque Tool / Drive Shaft Adapter Configuration: 8-Spline Function: Provides wrench surface for drive shaft during gearcase service Used for: Lower unit service, propeller shaft work, gearcase assembly/disassembly Condition: New Drive Shaft Torque Tool - Mercury / Mariner / Mercruiser 8-Spline: 8-spline drive shaft adapter tool for Mercury, Mariner, and Mercruiser gear cases. Provides a wrench surface for the drive shaft during lower unit and gearcase service. Essential tool for propeller shaft torquing, bearing carrier removal, and gearcase assembly. Replaces Mercury 91-90094 / 34377A1. Verify OEM tool number in your service manual before ordering. ⚠️ IMPORTANT: Verify OEM part number in service manual before ordering to ensure proper fitment.

• Compatible with Mercury,Mariner. Please verify your OEM part number from your original unit to help ensure fitment.
• Replaces: Oem Part Numbers: / Mercury / Mariner / Quicksilver: 91-90094 / 9190094 / Mercury: 91-34377A1 / 9134377A1 / Mercury: 91-34377 / 9134377 / Mercury: 34377 / 34377A1 / Supersession Chain: / 34377 → 34377A1 → 91-34377 → 91-34377A1 → 91-90094 (Current) / Specifications: / Type: Drive Shaft Torque Tool / Drive Shaft Adapter / Splines: 8-Spline / Function: Provides Wrench Surface For Drive Shaft In Gearcase / Application: Mercury / Mariner Outboard And
• Applications: Mercury / Mariner Outboard Motors: / Mercury Outboard — All Models With 8-Spline Drive Shaft Gearcase / Mariner Outboard — All Models With 8-Spline Drive Shaft Gearcase / Mercruiser Sterndrive: / Mercruiser Sterndrive — Gear Cases With 8-Spline Drive Shaft / Tool Function: / Provides A Wrench Surface For The Drive Shaft During Gearcase Service / 8-Spline Drive Shaft Adapter — Allows Torquing Of Drive Shaft Nut / Used During Lower Unit Service, Propeller
• Applications: Service, Propeller Shaft Work, And Gearcase Assembly / Refer To Service Manual For Specific Model Tool Requirements...
• Drive Shaft Torque Tool Source: Aftermarket