804540 853704 Thermostat 50°C for Mercury Mariner 2 2.5 3.5 4 5 6 25 30 HP

This 50°C Thermostat is a thermostat compatible with outboard equipment for Mercury for Mariner and references part numbers 804540 and 853704. It is listed for 2, 2.5, 3.5, 4, 5, 6, 25, and 30 HP applications. Verify the existing thermostat number and engine details before purchase.

Product Overview

The 50°C Thermostat is an engine temperature control component for Mercury and Mariner applications. This thermostat references part numbers 804540 and 853704 and is listed for multiple horsepower ranges. It is intended for compatible outboard equipment where the listed temperature and part numbers match.

Key Features & Performance

• Thermostat product type

• 50°C temperature rating

• Part number 804540

• Part number 853704

• Compatibility reference for Mercury and Mariner

Fitment & Compatibility

• for Mercury 2 HP, 2.5 HP, 3.5 HP, 4 HP, 5 HP, and 6 HP applications

• for Mercury 25 HP and 30 HP applications

• for Mariner 2 HP, 2.5 HP, 3.5 HP, 4 HP, 5 HP, and 6 HP applications

• for Mariner 25 HP and 30 HP applications

Common Uses

• Temperature control service for compatible Mercury equipment

• Temperature control service for compatible Mariner equipment

• Replacement thermostat applications matching part numbers 804540 or 853704

Technical Specifications

Product Type: Thermostat

Part Number(s): 804540, 853704

Brand Compatibility: Mercury, Mariner

Temperature Rating: 50°C

Engine Compatibility: 2 HP, 2.5 HP, 3.5 HP, 4 HP, 5 HP, 6 HP, 25 HP, and 30 HP applications

Frequently Asked Questions

Q: Which brands and engine applications are listed for this thermostat? A: It is listed for Mercury and Mariner applications covering 2, 2.5, 3.5, 4, 5, 6, 25, and 30 HP engines.

Q: How should fitment be verified? A: Compare the existing thermostat, part number 804540 or 853704, temperature rating, and engine horsepower before purchase.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.