Mercury Marine gear lube outperforms automotive gear oil in marine applications because of its specialized additives package designed for marine gear cases. Continued use of this gear case lubricant will: Provide maximum protection against excessive wear - even in the presence of water prevent corrosion and pitting. Mercury Premium SAE 80W90 Gear Lube is recommended for lower units for outboards below 75 horsepower. Mercury Premium SAE 80W90 Gear Lube should not be mixed with Mercury High-Performance SAE 90 Gear Lube.
⚠️ IMPORTANT NOTE: Product dimensions are subject to change without prior notice due to updates in manufacturer safety guidelines and standards. As a result, the size of the product delivered may vary slightly from the specifications provided at the time of order. We recommend reviewing the latest information before purchase to ensure compatibility. This policy is in place to prioritize your safety and the quality of our products.
Product images are for illustration purposes only and may vary based on your monitor’s resolution. Actual colors and details of the product may differ from what is displayed. Please consider this when making your purchase.
Sign up for our newsletter and be the first to know about exclusive offers, new arrivals, and boating tips. Plus, you'll receive free shipping on your first purchase!
Choosing a selection results in a full page refresh.