Exhaust System Air Vent with Pressure Valve | Vetus AIRVENTV Volvo Water Tube Seals & O-Rings Replaces OMC 176349

Replaces OMC 176349

For Mercruiser GM V8 305 and 350 CID marine engines

and SX-S model stern drives

and D9A-MG model engines and generators

M340 and M360 marine engines from 1975 to 1984 with Prestolite electronic ignition systems using clip down distributor caps

Exhaust System Air Vent with Pressure Valve | Vetus AIRVENTV Volvo Water Tube Seals & O-Rings Replaces OMC 176349Exhaust System Air Vent with Pressure Valve Vetus AIRVENTV Vetus Exhaust System Air Vent with Pressure Valve AIRVENTV Vetus air vent prevents the siphoning of cooling water into the engine when the engine is stopped. Vetus exhaust system air vent with pressure valve Suitable for hoses of 1 2 in., 3 4 in., 1 in. and 1 1 4 in. inside diameter Contains a pressure valve and is self contained Pressure valve requires periodic maintenance to prevent clogging