Mercury Thermostat Replacement - 804540

The Mercury Thermostat Replacement - 804540 is a marine cooling-system service component for the compatible applications listed below.

Product information

• 804540 - Mercury Aftermarket Thermostat Replacement
• Replaces Mercury part 804540
• Suits Mercury outboard engines
• 2, 2.5, 3.5 HP Carb 4 Stroke models (SN: 1C453840 & up)
• 4, 5, 6 HP Carb 4 Stroke models (SN: 0R000001-Up)
• 25HP 2 Stroke International Model (SN: 0N018456 THRU 0N055504)
• 30HP 2 Stroke International Model (SN: 0N001875 THRU 0N055504)

Before ordering

Please compare the listed specifications and part number with your existing component. If you need help confirming compatibility, contact Jet Ski Parts Warehouse with your make, model, year and engine details.