Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.
Automann · Probes & Sensors
577.23502
In stock · ships from Knoxville
This coolant temperature sensor measures the temperature of your engine's coolant and sends that data to the engine control module (ECM).
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 8 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Sterling
Western Star
Other applications
Sterling
Western Star
Other applications
Always verify fitment by OEM part number. May fit other heavy-duty trucks equipped with Detroit Diesel Series 60, 50, or 149 engines.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 7 of 7.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It helps the ECM adjust fuel injection timing, fan clutch engagement, and cold start enrichment. On Detroit Diesel Series 60 engines, it threads into the passenger side cylinder head near the rear. Replace it if you're getting erratic temperature gauge readings, poor fuel economy, or overheating issues.
Part Number: 577.23502
DETROIT SENSOR WATER TEMP
Unit: ea
Dealer: KP Services Crossville
Compatibility, alternatives, and more
