Sierra 18-3554 Marine Thermostat 160 Degree for OMC Stern Drive

The Sierra 18-3554 is a premium aftermarket marine thermostat designed for OMC stern drive and inboard applications. This thermostat features a 160-degree temperature rating, helping your marine engine maintain optimal operating temperature for improved performance and efficiency.

Key Features:

• 160-degree Fahrenheit temperature rating for precise cooling control
• Engineered to meet or exceed OEM specifications
• Built to withstand harsh marine environments
• Direct replacement for reliable engine temperature regulation

OEM Cross-Reference Numbers:

• OMC Inboard: 383307
• OMC Stern Drive: 379754, 3852216, 3856961
• Volvo Penta: 3856961
• GLM: 13060
• Mallory: 9-43021

Sierra Marine is a trusted name in aftermarket marine engine parts, offering comprehensive coverage for major engine brands with an unsurpassed customer satisfaction warranty. A failed thermostat can cause your engine to run outside its optimal temperature range, adversely affecting performance and fuel efficiency. Replacing a faulty thermostat with this quality Sierra component ensures your OMC engine runs at the right temperature for maximum reliability.