OMC Evinrude Johnson Anti-Siphon Valve — Part #173274
OEM OMC Evinrude Johnson Anti-Siphon Valve — Part #173274
Keep your Evinrude or Johnson outboard's fuel and cooling systems protected with this genuine OEM anti-siphon valve. Designed to prevent backflow through intake lines after the pump shuts off, this valve stops water from re-entering the boat and protects internal components from contamination and damage.
- Genuine OEM OMC factory original part
- Prevents backflow through fuel and cooling intake lines
- Protects marine heads and intake systems from water contamination
- Normally-closed design maintains low-pressure zone to stop siphoning
- Verify part number and model compatibility before ordering
Part Number: 173274. Compatible with select Evinrude and Johnson outboard motors — confirm fitment with your model and year before ordering.