Product Description 1. Application: 27021 Skeg guard fits for Mercury Mercuriser Alpha 1 1985 1986 1987 1988 1989 1990. (Replace part number 27021) 2. Advantages: The skeg guard protector is designed to prevent and reduce wear, and the amount of damage encountered while hitting minor floating objects or submerged stumps and rocks. It Can Cover an Already Damaged Skeg, also includes a drain hole to prevent corrosion. .
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