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CMP GROUP

MERCURY / MERCRUISER CM-821631 (EQU

$38.45

SKU: C073 CM821631Z

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Special Order
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Martyr CM821631Z is a zinc transom plate anode designed for Mercruiser Alpha-1, GEN-II sterndrives. It replaces Mercruiser part number 821631 and is suitable for models from 1991 and newer. The anode has a center dimension of 1.375 inches, a height of 1.5 inches, and a hole diameter of 0.27 inches.

Fitment

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Specifications

BrandCMP GROUP
Part NumberC073 CM821631Z

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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