Sierra 18-70936 Hose Cylinder Head Starboard

Sierra 18-70937 Hose Cylinder Head Port Sierra replacement hose cylinder head port by Johnson/Evinrude Outboards. Interchangeable with: Johnson/Evinrude Outboard 340976 321723

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...

Cylinder Head Assembly for 4.3L Vortec Additional Details: Intake Manifold Mounting Bolts: 8 8 Valves Cover: Center Mount Note: Not for use with engines using factory roller rocker...