Upper Unit Seal Kit – Fits MerCruiser Alpha One Gen I, R, MR, MC-1 (Replaces 26-32511A1, 18-2648) 40-140HP It is designed for models

It is designed for models including the 165/170/3

variations can exist even within the same model year

8 BCG (50Hz) 4

QD-11 10 2-Stroke 1949–1950 375638

45 lb) depending on model Fitting Type Bolt-on Thread Size Standard marine fasteners (included) Operating Temperature Marine environment Warranty 30 days (manufacturer) Other Technical Attributes 3mm lower wear tab

Upper Unit Seal Kit – Fits MerCruiser Alpha One Gen I, R, MR, MC-1 (Replaces 26-32511A1, 18-2648) 40-140HP It is designed for modelsProduct Details This Upper Unit Seal Kit is designed for MerCruiser Alpha One Gen I, R, MR, and MC 1 sterndrive upper units. It delivers reliable sealing performance for a broad range of MerCruiser models including 1A, 1B, 1C, and EZ Shift configurations, ensuring proper protection against water intrusion and fluid leakage. This aftermarket kit directly replaces Mercury Marine Quicksilver part number 26 32511A1, as well as GLM 87500 and Sierra Marine