Sierra 23-0806 - Thermostat Gasket, Replaces Westerbeke 24323
Sierra 23-0806 - Thermostat Gasket, Replaces Westerbeke 24323
Sierra
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Sierra 23-0806 - Thermostat Gasket, Westerbeke 24323 Reference
For thermostat service on an assembly that specifies Westerbeke 24323, Sierra 23-0806 provides a replacement gasket identified by that service reference. Matching the required gasket before opening the cooling-system assembly helps you plan the repair with confidence. This listing is for the gasket, not a thermostat or complete housing assembly.
Part Specifications
- Part Number: 23-0806
- Component: Thermostat gasket
- Replaces Westerbeke: 24323
Confirm Fitment Before Ordering
Use the parts diagrams available on our website to identify the thermostat gasket specified for your engine. Alternatively, send us your engine model and serial number by email, text or live chat, and we’ll confirm fitment before ordering. Include the thermostat-housing identification if the assembly has been replaced or modified.
Additional Information
- Vendor: Sierra
- Part Number: 23-0806
- OEM Cross-Reference: Westerbeke 24323
Installation Notes
Refer to the applicable engine service manual for thermostat-gasket replacement, sealing-surface inspection and assembly specifications.
Frequently Asked Questions
Q: Is a thermostat included with Sierra 23-0806?
A: This listing identifies the replacement gasket, not a thermostat or complete thermostat housing.
Q: Which Westerbeke number is cross-referenced?
A: The listed replacement reference is Westerbeke 24323; confirm that your engine’s parts diagram specifies that gasket.
Q: Does it fit every Westerbeke engine?
A: Universal coverage is not established. Match the engine and installed thermostat assembly to the required service reference.
Q: Are gasket material, thickness and dimensions specified?
A: Those details are not established in this listing. Select by the applicable parts reference rather than an assumed material or visual size match.
Q: Should sealant be used with this gasket?
A: Follow the applicable engine service manual for sealing requirements; do not assume that a sealant is required or appropriate for every housing.

! 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.