Self Venting Marine Gas Cap

When the pressure reaches a certain point defined by so many pounds per square inch the valve opens by a very small amount relieving some of the pressure.

Self venting marine gas cap.

References johnson repair manual 2 5 to 250 hp models 2002 2007. Before this change went into effect fuel tanks were manufactured with a fuel filler cap that vented and released gas vapor into the atmosphere. 0540 0541 0556 0557 the figure no. Skip to main content.

The vented gas cap is designed to vent small amounts of air into the car gas tank line. An audible click signals that the cap is sealed on the neck fill and a tether secures the cap while refueling. Shop with confidence get free shipping to home or stores price match guarantee. 0540dpg99a replacement gas cap are not for use with epa compliant sealed fuel systems.

The vented gas cap has a one way release valve that is pressure activated. 1 16 of over 1 000 results for marine gas cap price and other details may vary based on size and color perko 0540dpg99a vented fuel fills gas cap o ring and retainer. The nozzle continually shut down as if the tank were full until a gusher of gas spewed from the vent. When you open the vent on an expanded tank fuel vapors will escape.

An auto self venting pressure feature vents tank above 5 psi when center pop up vent is in the open position. Chrome plated bronze vented cap complete with o ring used on the following figure numbers. Then i could fill up just fine. If the motor runs when you remove the filler cap but seems starved for fuel while the cap is in place replace the tank vent system.

If the tank is sucked in opening the vent will allow air into the tank to equalize the pressure. For safety reasons opening the vent should be done off the boat on a level surface with good air circulation in the area and no ignition source present even cell phones. Shortly after i had a new fuel tank installed i discovered a problem a boat gas tank vent problem. Free shipping over 99 good sam members.

Since 1968 west marine has grown to over 250 local stores with knowledgeable associates happy to assist. The epa requires that all portable fuel systems manufactured after january 1 2011 for use with outboard engines follow a zero emissions policy just like the fuel system in your car. 0566dp099a replacement waste cap are non vented and do not include a retainer. Save 1 25 5 off add to cart spare non locking cap 11 39 11 99.

Fill up your boat in style with overton s great selection of high quality deck fills and replacement boat gas caps. It was difficult to put gas in the tank.