Sierra 23-3601 - Replacement Thermostat
Sierra 23-3601 - Replacement Thermostat
Sierra
Low Stock: 2 left
Couldn't load pickup availability
Sierra 23-3601 - Replacement Thermostat
Choosing a replacement thermostat starts with the part specified for the installed cooling system, not simply a matching shape. Sierra 23-3601 is identified by its full manufacturer part number to help you check the required replacement before ordering. An opening-temperature rating, dimensions and engine-specific coverage are not established in the current product information.
Part Specifications
- Part Number: 23-3601
- Component: Thermostat
- Selection Reference: Match the full Sierra part number to the thermostat specified for the installed system
Confirm Fitment Before Ordering
Use the parts diagrams available on our website to identify the thermostat required for your engine. Alternatively, send us your engine model and serial number by email, text or live chat, and we'll confirm fitment before you order; include details of any cooling-system changes.
Additional Information
- Vendor: Sierra
- Part Number: 23-3601
Installation Notes
Refer to the applicable engine service manual for thermostat selection, orientation, required sealing components and specified cooling-system checks.
Frequently Asked Questions
Q: What opening temperature is specified for 23-3601?
A: The current product information does not establish an opening-temperature rating. Confirm the required specification before ordering rather than assuming a common temperature.
Q: Does this listing confirm fitment for a particular engine?
A: No engine-specific coverage or OEM replacement reference is established here. Send your engine model and serial number so we can check the specified thermostat.
Q: Are a gasket, seal or housing included?
A: Their inclusion is not established. Verify any additional sealing components required for the service separately.
Q: Can I select it by appearance alone?
A: No. Match the specified replacement reference and required opening temperature to the installed cooling system; similar appearance does not establish equivalent operation.
Q: What if my cooling system has been changed?
A: Include the engine identification, installed housing or thermostat reference if known, and conversion details when requesting fitment confirmation.

! Compatibility references are provided for informational purposes only and do not constitute a fitment guarantee. Part numbers, application listings, and "replaces" cross-references are based on manufacturer data and are intended as a starting point for identification — not a guarantee of fit for your specific engine, hull, or installation.
Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.
MacombMarineParts.com is not liable for parts ordered based on assumed fitment. Returns due to buyer-selected incorrect fitment are subject to our standard return and restocking fee policies.