Mercruiser Outdrive Parts Drawings *How to Videos

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Mercruiser Outdrive Magnesium Anodes - Fresh Water

Lower Unit / Transom / Trim Cylinder Magnesium Anodes & Kits

  • Anodes for fresh water use
  • Magnesium kits for Mercruiser MC-1, MR and Alpha 1 models
  • Complete kits with mounting hardware
  • *For saltwater, use aluminum

12671 Trim Tab Mercruiser 31640T6

12671 Trim Tab Mercruiser 31640T6

Trim tab - installs onto the lower unit for Mercruiser models 1967 - 1990 MC-1, R, MR and Alpha 1. The length of the fin on this magnesium measures approximately 2-3/8" from base to tip of fin. If you are using an oversized propeller (larger diameter) and do not have the clearance to use this anode, you can simply grind the fin tip down until your propeller has sufficient clearance.

GLM 12671 or Sierra 18-6241 $29.95

12716 Magnesium Anode 76214A6

12716 Magnesium Anode 76214A6

Can be mounted in place of the standard trim tab in cases where using the standard fin style tab can't be used. This is ideal where your boat has power steering and the standard fin style needs to be grounded down too much to be installed.
GLM 12716 or Mercury 76214A6

12751 Upper Gearcase 821629A2

12751 Upper Gearcase 821629A2

Installs onto the front section of the upper gear housing using 2 bolts.
GLM 12751 or Mercury 821629A2

 

12755 Bearing Carrier Alpha 1 806105A2

12755 Bearing Carrier Alpha 1 806105A2

Installs onto the Alpha 1 Gen 2 (1991 and up) lower unit propeller shaft bearing carrier (GLM #11405, Mercury # 818763A10 using 2 bolts and 2 washers.
GLM 12755 or Mercury 806105A2