Yamaha - Water Pressure Sensor - Engine Monitoring Component - 6AW-8366B-01-00

Overview

Water pressure is one of those readings you don’t want to ignore, especially when you’re running hard or in shallow water. This sensor keeps track of cooling system pressure and feeds that information back so you know everything’s flowing like it should. I’ve seen engines saved from serious damage just because a pressure issue was caught early. Having a reliable sensor in place gives you that extra layer of confidence on the water.

Key Features

• Accurate Pressure Monitoring – Measures cooling system water pressure for real-time feedback.

• Supports Engine Protection – Helps detect low pressure conditions before overheating occurs.

• OEM Fit Accuracy – Matches Yamaha factory specs for proper installation and function.

• Durable Marine Construction – Built to withstand water exposure and engine conditions.

Engine & Boat Compatibility

Verify compatibility with your specific Yamaha outboard model and part number before installation.

FAQs

Q1: What are signs this water pressure sensor is failing?
A: Erratic readings, no pressure reading, or warning alerts without cause.

Q2: Can a bad sensor cause false alarms?
A: Yes, it can trigger incorrect warnings or display inaccurate data.

Q3: Does this affect engine performance directly?
A: Not directly, but it impacts monitoring and early issue detection.

Q4: Should I replace it if readings seem off?
A: Yes, especially if other cooling components check out fine.

Q5: Is installation difficult?
A: It’s manageable, but proper connection and sealing are important.

• Supersessions
  6AW-8366B-00-00, 6AW-8366B-02-00, 6AW-8366B-10-00, 6AW-8366B-10-00, 6Y5-8366B-00-00, 6Y5-8366B-01-00, 90891-40757-00