18-3549 14586 Thermostat 120° Degree for Mercury Mariner Sears Outboard 6-125 HP

This 120° thermostat is a replacement thermostat compatible with Mercury Mariner Sears outboard engines rated from 6 to 125 HP and references part numbers 18-3549 and 14586. It is intended for marine engine cooling-system service where these application details and replacement numbers match.

Product Overview

The Mercury Mariner Sears outboard thermostat provides temperature-control service for compatible outboard engines. This 120° degree thermostat is identified by replacement numbers 18-3549 and 14586 and is intended for users servicing applicable marine equipment.

Key Features & Performance

• 120° degree temperature rating

• Thermostat for outboard applications

• References replacement numbers 18-3549 and 14586

• Listed for engines from 6 to 125 HP

Fitment & Compatibility

• for Mercury outboard engines from 6 to 125 HP

• for Mariner outboard engines from 6 to 125 HP

• for Sears outboard engines from 6 to 125 HP

Common Uses

• Outboard thermostat replacement

• Marine engine cooling-system service

• Replacement identification using existing part numbers

Technical Specifications

Product Type: Thermostat

Part Number(s): 18-3549, 14586

Brand Compatibility: Mercury, Mariner, Sears

Engine Compatibility: Outboard engines from 6 to 125 HP

Temperature Rating: 120°

Frequently Asked Questions

Q: What engines is this thermostat listed for? A: The title identifies compatibility with Mercury Mariner Sears outboard engines from 6 to 125 HP.

Q: How should fitment be verified? A: Confirm the engine application, horsepower range, and existing thermostat number against 18-3549 or 14586 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.