The RE554015 is a precision-engineered engine thermostat tailored for JD agricultural machinery and tractors, specifically compatible with 6090 PowerTech engines. As a critical cooling system component, it regulates engine temperature by controlling coolant flow, optimizing operating efficiency and protecting engines from overheating or underheating.
Key specs include a temperature rating of 180-185°F, 12mm lift, and 72mm outside diameter . Weighing ~0.471 lb with 3.3×3.2in dimensions , it matches OEM standards for seamless fit.
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