PRO Star Synthetic Blend Lower 80W-90 Unit Gear Lube

Provides exceptional protection against rust, corrosion, and thermal breakdown in high-performance applications. Designed for outboard and sterndrive lower units over 100 hp. The synthetic blend with extreme pressure additives ensures great thermal stability and long-term performance.

Features

SUPERIOR PERFORMANCE - High viscosity synthetic blend 80W-90 gear oil, designed for API GL-5, MT-1 service SAE J2360, and Mack GO-J
LONG TERM PROTECTION - Ideal for all engines over 100 hp, our gear oil provides exceptional long-term protection against rust and corrosion, extending your engine's lifespan
EXTREME PRESSURE ADDITIVES - Special additives ensure great thermal stability and anti-wear protection, even under high temperature conditions
EASY INSTALLATION - Our gear oil comes with a detailed guide for flushing and filling; STAR BRITE offers a complete line of Lower Unit Quart Pump, Lube Tube, and Adaptors for hassle-free oil changes
VERSATILE APPLICATION - Perfect upgrade for all brands of 80W90 lower unit gear oil and gear lube applications
TRUSTED QUALITY - Adheres to SAE J2360 specifications, ensuring a high-quality product trusted by marine professionals
USER-FRIENDLY - Clear instructions for those without access to a Manufacturer's Engine Service Manual, simplifying the maintenance process

Directions

DIRECTIONS: Refer to Manufacturer's Engine Service Manual for flushing and filling instructions. If none are available: 1) Remove upper and lower plugs on lower unit gear case and completely drain old oil. 2) Install fill tube into lower hole. We recommend using Star brite Lower Unit Quart Pump (#27400, Lube Tube (#28600) and Adaptor (#28401, #28402) for easy installation. 3) Slowly refill unit with new lubricant until fluid appears at the lip of the upper hole. 4) Replace upper plug and tighten securely. 5) Remove fill tube from lower hole and replace lower plug. Tighten securely.