Mercruiser Outdrive Parts Drawings *How to Videos

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Mercruiser Drive Shaft Application Guide

Mercruiser Drive / Prop Shaft Compatibility Chart for Lower Gear Case

  • Drive shaft application chart with models, years and serial numbers
  • Propeller shaft compatibility for Mercruiser models
  • Lower unit parts chart

Drive Shaft Mercruiser Application

Drive Shaft Mercruiser Application

11110 Mercury 45-41939F1
11110 Mercury 45-41939F1

Lower unit shaft compatible with the MC-1 model (1970 - 1983). This part has a preload pin installed on one end, with an approximately pin diameter of 1/4 inch. Compatible with the 4 cylinder 120/140 (S/N 2791957-6225576), 470/485 (S/N 4208730-6225575), 165 (S/N 2763442 and up) and V8 - 888/225/233/898/228/250/260 (S/N 3106717 - 6225576).

GLM # 11110 replaces Mercury # 45-41939F1 and Sierra # 18-2167

11120 Alpha-MR 45-42634
11120 Alpha-MR 45-42634

Outdrive lower gear housing vertical shaft without preload pin, compatible with all MR / Alpha 1 (1st generation) models from 1984 - 1990 (S/N 6225577 and up). If you do not have the serial number of your gear case, an easy way to identify between the Alpha 1 first generation and second generation models is by looking at the water pump housing. The Gen 1 will have a plastic housing, while the Gen 2 (1991 and up) will have a steel impeller pump housing. GLM # 11120 replaces Mercury # 45-42634 and Sierra # 18-2180

11150 Propeller Shaft 44-824110
11150 Propeller Shaft 44-824110

Propeller shaft compatible with all models from 1970 and up. Previously, part # 11150 (OEM # 44-824110) was available for the 1970 - 1997 models, but has been discontinued. # 11155 (OEM # 44-850308) replaces this. The length is 15-1/2 inches, and the diameter where the bearing sits is 1-3/16 inches with 15 splines. GLM # 11155 replaces Mercury # 44-850308 and Sierra # 18-2254