Sierra 18-70940 Molded Hose Therm To Port Manifold Replaces 32-860144
Sierra 18-70940 Mercruiser Molded Hose
Sierra high-quality engine parts are designed to meet OEM specifications. For Thermostat housing to port exhaust manifold.
- Fits MCM V-6 & V-8 (305, 350 & 377 cid) engines
- Mercruiser Stern Drive