BBB A+ Accredited Business
Description
Sierra 18-709325 Molded Hose for Mercruiser
Sierra high-quality replacement molded hose for Mercruiser Stern Drives. Used for thermostat cover to starboard manifold.
- Fits 4.3L/LX & MCM/MIE V-8 (305 & 350 cid) engines.
Interchangeable with:
- Mallory
- 9-44059
- Mercruiser Stern Drive
- 32-871171
- 32-87117
California Residents:
WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

