Water Pump Housing for Yamaha Outboard V4 V6 115HP 130HP 150HP 175HP 200HP 225HP 250HP Fits 1984 and Later Boats Replacement 61A-44311-01-00 61A-44311-00-00 Sierra 18-3173-1
✔️ Fits V4/V6/V8 engines (115-250HP); OEM-standard housing
This water pump housing is an OEM-standard replacement for Yamaha outboard engines. It fits V4 standard rotation (1984-current), V6 standard rotation 2.6L (1984-current), 2.6L counter rotation (1992-current), V6 standard rotation 3.1/3.2L (1990-2006+), and 3.1/3.2L V6 counter rotation (2004-current). Replace with OE numbers 61A-44311-01-00 or 61A-44311-00-00 or Sierra 18-3173-1 for a reliable seal and cooling performance. Manufactured to OEM standards and rigorously tested at the factory; color: yellow.
✅ Replacement OE numbers: 61A-44311-01-00; 61A-44311-00-00; Sierra 18-3173-1
✅ Fits Yamaha V4/V6/V8 engines (115-250HP) with 2- & 4-stroke cooling
✅ OEM-standard, factory-tested water pump housing
✅ Yellow color matches OEM Yamaha look and seals properly
💡 What is a water pump housing used for in Yamaha outboard maintenance and why upgrade it?
This handy piece keeps cooling flow steady and protects the lower unit during operation.
- Maintains cooling efficiency and prevents overheating in Yamaha outboards
- Fits V4/V6/V8 models across 1984+ and various rotation configurations
- OEM-standard replacement, factory-tested for reliability
- OE numbers: 61A-44311-01-00, 61A-44311-00-00, Sierra 18-3173-1