6D3-12411-00-00 Thermostat 140°F for Yamaha 222SD 1900 2024-2026

Thermostat for Yamaha

This replacement thermostat, OEM cross-reference 6D3-12411-00-00, regulates coolant flow at 140°F to keep your engine running at its intended operating temperature.

Overview

This thermostat for Yamaha is a direct-fit replacement built to open at 140°F and control coolant circulation through the engine. It suits riders who want a dependable marine thermostat that keeps operating temperatures stable on the water. The 6D3-12411-00-00 reference makes cross-checking against your original part quick and straightforward.

Built For Performance

• 140°F opening temperature matched to the specified cooling range
• OEM cross-reference 6D3-12411-00-00 for easy part verification
• Sealed housing design resists coolant leaks under pressure
• Marine-grade construction for corrosion resistance in wet environments
• Consistent open and close cycles to reduce temperature swings

Fits These Machines

• for Yamaha 222SD 1900 (2024-2026)

On-The-Job Use

• Restoring proper coolant flow on a Yamaha 222SD 1900
• Replacing a thermostat stuck open or closed
• Routine cooling system maintenance
• Keeping engine temperature steady during long runs

Specs At A Glance

Good To Know

Q: Does this thermostat fit my Yamaha 222SD 1900? A: It is built for the 222SD 1900 and carries the 6D3-12411-00-00 cross-reference, but serial number differences can affect fit, so confirm before ordering.

Q: Why does the opening temperature matter? A: A thermostat that opens at the wrong temperature can cause overheating or poor warm-up, so matching the specified 140°F rating keeps the cooling system working as designed.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.