Are your gas tanks causing problems because of the lack of venting? This manual vent gas cap is the solution. High-quality gas cap to properly seal your portable fuel containers. Simply flip the dial to exhaust the tank when your boat is in use. Keep it closed when it's in storage. It just works perfectly and is worth every penny.

Features:

• This cap is compatible with old-style portable Moeller and Tempo fuel tanks.
• For use in boats constructed before 2011 and on the worldwide market.
• Simply twist the top of your tank to allow it to vent.
• Cap Is Manually Vented
• It's great-it keeps the vacuum in the gasoline tank at bay.
• Excellent Pressure Relief
• For 95' of the portable gasoline tanks, replacement fuel pick-ups, fuel caps, and sight gauges are available

Specifications:

• Brand: Sierra Marine Engine Parts
• SKU: 621501-10
• Weight: 0.10 LBS
• Dimensions: 4.25 x 3.5 x 7.01 inches

Manual Vent Gas Cap . For use internationally and in boats built before 2011.

This product replaces:

739729011713, 2-8870