Designed to fit Mercury MerCruiser Alpha I models from 1985 to 1990. Compatible with replacement part number 27021. Please confirm your model, year, and skeg shape before purchase. Helps cover and protect worn or damaged skegs from everyday marine impact, corrosion, and abrasion. The 3mm lower wear tab helps reduce contact from ramp dragging and shallow-water use. Built-in drain hole helps reduce trapped water, supporting better corrosion resistance and freeze protection during storage. Designed to maintain normal steering performance when properly installed. 316 Stainless Steel Construction: Made from 18-gauge marine-grade 316 stainless steel with a mirror-polished finish for improved rust and corrosion resistance in marine environments. This is an aftermarket skeg guard designed for compatible Mercury MerCruiser applications. It is not an OEM part and is not sponsored by, endorsed by, or affiliated with Mercury Marine. SATISFACTION GUARANTEE: We stand by our product with a 100% satisfaction guarantee. Should you have any questions or concerns regarding our kit, please don’t hesitate to reach out to our customer support team for assistance. 27021 Stainless Steel Skeg Guard Compatible with Mercury MerCruiser Alpha I 1985-1990, 316 Stainless Steel Skeg Protector