91-56775T Drive Shaft Adapter Fits for Mercury MC-I, R-MR, Alpha One, Alpha One/Gen II, for Mercury 13-spline Drive Shaft Tool

【Equivalent to part】for Mercury Marine 91-56775T, 710-91-56775,91-56775, for Sierra Marine 18-9854, for GLM 90220, and for Mallory Marine 9-79809, 【Fitment】13-spline driveshaft adapter tool fits for MerCruiser #1 drives including Pre-Alpha “R”, Alpha One “MR”, and Generation II outdrives. Incompatible Models: This 13-tooth tool will not fit TR, TRS, or Bravo outboards, 【Function】91-56775T drive shaft adapter tools provide a wrench surface to properly torque the pinion nut at the bottom of the vertical drive shaft. Quick and no damage dissemble drive shaft prop shaft from Mercury/ Mercruiser drive units, 【Advantage】Cover with black powder finish ensures this 13-tooth adapter tool meets the requirement of rust-preventative and hardness and longer service life, 【After-sales Support】Camoo aims to provide excellent products and positive experiences for customers. If our products fail to live up to your standards, you may return them in 30 days for a replacement -no questions asked!