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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
and 6R3-24563-00-00
Installs directly in the OEM sea water pump housing
Prepare your workspace with a drain pan
Secure all clamps tightly
Thermostat (160°F/71°C) – Fits MerCruiser 3.0-7.4L V6/V8 (Replaces 8072522, 807252T2, 8M0109441) Yanmar and 6R3-24563-00-00Product Details The Sierra 18 3649 marine thermostat is a direct fit replacement for MerCruiser 3. 0L to 7. 4L GM engines from 1987 and newer. Designed for Alpha and Bravo sterndrive models with fresh water (closed cooling) systems, it maintains the correct operating temperature of 160F (71C) for optimal engine performance. This part provides a direct interchange for Mercury MerCruiser 8052732, 8072522, 807252T2, 8M0091470, 8M0109441; Sierra 18 3649;
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