Yamaha - Impeller Housing (WT30X) - YJA-01161-64-03

Overview

The Yamaha YJA-01161-64-03 Impeller Housing (WT30X) is a genuine original equipment manufacturer component designed to support the water pump system and maintain efficient engine cooling. The impeller housing forms the chamber where the water pump impeller rotates, allowing cooling water to be drawn in and circulated through the engine’s internal cooling passages.

A properly functioning impeller housing ensures the impeller operates efficiently and maintains steady water flow throughout the cooling system. Over time, the housing may experience wear, corrosion, or damage due to debris, friction, and prolonged use. Replacing a worn housing with a genuine Yamaha component helps restore water pump efficiency and supports reliable engine operation.

Key Features

• Genuine Yamaha Original Equipment Manufacturer Component – Manufactured to Yamaha factory specifications for proper fit and dependable performance.

• Essential Water Pump System Component – Provides the chamber where the impeller rotates to circulate cooling water.

• Precision Engineered Design – Ensures proper alignment and smooth operation of the water pump assembly.

• Durable Marine Construction – Built to withstand constant water exposure and demanding operating conditions.

Compatibility

Compatible with select Yamaha engines and equipment that utilize the WT30X impeller housing configuration.

Why is this prop a strong choice vs. alternatives?

• Original Equipment Manufacturer Yamaha Fitment – Designed specifically for Yamaha water pump systems.

• Supports Efficient Cooling System Operation – Helps maintain proper water circulation through the engine.

• Restores Water Pump Performance – Replacing worn housings helps ensure proper impeller operation.

• Marine Grade Durability – Built to handle harsh operating environments and long term use.

Frequently Asked Questions

Q: What does an impeller housing do?
A: The impeller housing forms the chamber where the water pump impeller rotates, allowing the pump to circulate cooling water through the engine.

Q: When should an impeller housing be replaced?
A: Replacement may be necessary if the housing becomes worn, damaged, or corroded, which can reduce water pump efficiency.

Q: Is this a genuine Yamaha part?
A: Yes. The YJA-01161-64-03 is a genuine Yamaha original equipment manufacturer impeller housing.

Q: Can a worn impeller housing affect engine cooling?
A: Yes. Wear inside the housing can reduce pump efficiency and affect cooling water circulation.

Q: Is this typically replaced during water pump service?
A: It may be replaced during water pump maintenance if inspection reveals wear or damage.