Federal Mogul FP23503825 Engine Coolant Thermostat 180°F Detroit Diesel

The Federal Mogul FP23503825 is a heavy-duty engine coolant thermostat engineered for Detroit Diesel applications. As a critical component of the engine cooling system, this thermostat regulates coolant flow to keep the engine operating within its optimal temperature range, protecting against overheating and promoting long-term engine health.

Key Features:

• 180°F (82°C) Opening Temperature — calibrated to open at exactly 180 degrees Fahrenheit for precise thermal regulation
• Non-Vented Design — compatible with Detroit Diesel Series 50 and Series 60 engine cooling systems
• OEM Reference Number: Detroit Diesel 23503825 / Cross-reference: 5102651
• Height: 3.28 in | Diameter: 2.27 in
• Designed to maintain consistent coolant flow and prevent temperature fluctuations that can cause engine wear
• Direct replacement for worn or failed factory thermostats

Proper thermostat function is essential for fuel efficiency, emissions performance, and engine longevity in heavy-duty diesel applications. The FP23503825 is a reliable aftermarket replacement that meets the thermal specifications of Detroit Diesel Series 50 and Series 60 powerplants.