The Mercury Gear Lube Pump Adapter 883704K03 allows you to use standard 3/8-16 gear lube pumps on gearcases with metric 8x1.25 threaded fill holes. This durable adapter is essential for servicing a wide range of mid-range FourStroke outboards and engines of Japanese origin. It ensures a secure, leak-free connection for a clean and efficient gear lube change.
- Adapts 3/8-16 threaded gear lube pumps to metric 8x1.25 holes
- Fits Mercury/Mariner 4-6hp FourStroke and 15-30hp EFI models
- Compatible with all Japanese-origin Mercury/Mariner outboards
- Essential for Nissan, Yamaha, Tohatsu, and Honda outboards with metric threading
- Ensures a secure and mess-free gearcase filling process
