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PAI · Cooling System
681830
In stock · ships from Knoxville
This is a 180-degree Fahrenheit (82°C) cooling system thermostat for Detroit Diesel Series 50 and Series 60 engines.
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Verified fitment for 2 applications
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Fits Detroit Diesel Series 50 and 60 engine families. Part of PAI thermostat kit 681849.
Part data verified against 4 catalog sources
Numbers this part supersedes or interchanges with. Showing 4 of 4.
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It's a non-vented design that regulates coolant flow to maintain proper engine operating temperature. You replace it when the engine overheats, runs too cold, or has erratic temperature fluctuations—often due to a stuck-open or stuck-closed thermostat. It serves as a direct aftermarket replacement for the original Detroit Diesel part number 23503825.
Part Number: 681830
THERMOSTAT 180, DDC23503825
Unit: ea
Vendor: PAI Industries
Dealer: KP Services Crossville
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