Sierra Thermostat Kit 18-3642 for Mercury Outboard Engines

The Sierra 18-3642 Thermostat Kit is a replacement thermostat for Mercury outboard engine cooling systems. Sierra manufactures this kit to consistent dimensional and material standards so it installs as a direct, reliable replacement for a worn or failed thermostat in the engine's cooling circuit. Keeping the thermostat in good working order helps the engine maintain proper operating temperature, which protects against overheating and supports consistent engine performance on the water.

This kit is compact, with a body measuring 0.39 x 0.39 x 0.39 inches and a light overall weight of 0.08 pounds, making it easy to handle during a routine cooling-system service. It is identified by Sierra part number 18-3642 and is listed under Sierra's Mercury Outboard Thermostats and Gaskets product line, making it straightforward for boat owners and marine technicians to locate the correct part for a Mercury outboard cooling system service.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-3642
• Product Type: Thermostat Kit
• Application: Mercury Outboard Thermostats & Gaskets
• Product Dimensions: 0.39 x 0.39 x 0.39 inches
• Weight: 0.08 pounds
• UPC: 808282375492

Frequently Asked Questions

What is the Sierra 18-3642? It is a Sierra Thermostat Kit, part number 18-3642, designed for the cooling system of Mercury outboard engines.

What size is the 18-3642 thermostat kit? The Sierra 18-3642 measures 0.39 x 0.39 x 0.39 inches, a compact size suited to Mercury outboard cooling systems.

How much does the Sierra 18-3642 thermostat kit weigh? This thermostat kit weighs 0.08 pounds.

What engines is the 18-3642 thermostat kit intended for? The Sierra 18-3642 is listed under Sierra's Mercury Outboard Thermostats and Gaskets line, for use in Mercury outboard engine cooling systems.

Is the 18-3642 a genuine Sierra part? Yes, 18-3642 is Sierra's own part number for this Thermostat Kit.

What is the UPC for the Sierra 18-3642 thermostat kit? The UPC for the Sierra Thermostat Kit 18-3642 is 808282375492.

How do I identify the correct thermostat kit for my Mercury outboard? Match the Sierra part number 18-3642 printed on the kit or listing to confirm it is the correct thermostat for your Mercury outboard cooling service.

What product category does the 18-3642 thermostat kit fall under? Sierra classifies part 18-3642 within its Mercury Outboard Thermostats and Gaskets category.