Mercury 8M0072135 – Gear Lube Pump

Effortlessly change lower unit oil with this versatile Mercury gear lube pump. Designed for a mess-free, precise gearcase refill.

Product Overview

The Mercury 8M0072135 Gear Lube Pump makes lower unit oil changes quick, clean, and efficient. Compatible with all quart and liter gear lube bottles, it fits any outboard or sterndrive with a 3/8"-16 drain plug, and includes a metric adapter (M8 x 1.25) for broader fitment.

Built with a threaded nozzle and flexible hose, this pump draws oil directly from the bottle and delivers it smoothly into your gearcase—no spills, no guesswork.

Key Features

• Pumps gear lube directly from quart or liter bottle into lower unit
• Fits 3/8"-16 drain plugs on most outboards and sterndrives
• Includes M8x1.25 adapter for gearcases with metric plugs
• Reduces mess and hassle with easy-fill hose and threaded fittings
• Designed specifically for marine gear lube service

Application Compatibility

• Mercury, Mariner, and MerCruiser engines
• Outboards and sterndrives
• Any unit with 3/8"‑16 or M8x1.25 drain plug
• Use with Mercury's line of premium gear lubes for best results.

Always refer to your owner’s manual for application-specific guidance.