Quicksilver 888755Q04 Magnesium Anode Kit for MerCruiser MR and Alpha One Drives 1984-1991

The Quicksilver 888755Q04 is a complete magnesium sacrificial anode kit engineered to protect MerCruiser MR and Alpha One sterndrive units from galvanic corrosion in freshwater environments. Designed specifically for drives built between 1984 and 1991 (serial numbers 6225577 through 0D469828), this OEM-quality kit ensures a precise fit and reliable protection for your outdrive and transom components.

Key Features:

• Complete 4-piece kit — includes trim tab anode, gimbal nut anodes, and driveshaft plate anode
• Freshwater use only — magnesium formulation is optimized for freshwater corrosion protection
• Military-grade material — cast magnesium meets or exceeds Mil-Spec A-21412(SH) standards
• OEM specifications — produced to Mercury Marine original equipment manufacturer standards for best fit and performance
• Complete hardware included — all attaching hardware provided for fast, easy installation and replacement
• Easy maintenance — anodes are simple to inspect periodically and straightforward to replace when depleted

Cross-reference part numbers: Sierra 18-6150, Martyr CMALPHAGEN1KITM, Seachoice 95011, Tecnoseal 20800MG. As a genuine Quicksilver product, the 888755Q04 delivers the same corrosion defense as factory-installed anodes, helping extend the life of your MerCruiser drive investment.