Lower Unit Gear Oil Pump For Standard Quart Bottles With 3/8 Inch Metal Swivel And 8mm And 10mm Adapters Fits Mercury And Most Marine Outboard Motors Not Compatible With Volvo Penta
✔️ 3/8 in swivel with 8mm and 10mm adapters Mercury/Mariner fit
This lower unit gear oil pump is a handy tool designed for marine maintenance. It fits standard quart bottles with a 28mm (1.125") opening and transfers gear oil cleanly into the lower unit during service on Mercury, Mariner, Yamaha, Nissan, Honda, Johnson, and Evinrude outboards (not compatible with Volvo Penta).
✅ Fits standard quart bottles with 28mm opening cap
✅ 3/8 in metal swivel and adapters in 8mm-1.25 and 10mm-1.25
✅ Compatible with Mercury and Mariner outboards; not Volvo Penta
✅ 8 cc per stroke; comes with two suction tubes for tall/short bottles
✅ Durable construction from plastic, rubber, steel, and aluminum with zinc-plated adapters
✅ Reusable and simple to screw-on for controlled pumping
💡 What is a lower unit gear oil pump used for in marine maintenance?
It’s a handy tool for clean, precise gear oil transfer during outboard maintenance.
- Handy for on-site gear oil changes - Provides a fixed 8 cc per stroke for controlled dosing - Works with standard quart bottles and 28 mm cap opening - Suitable for Mercury/Mariner and many US-made outboards