I am offering a Vented Piper Fuel Cap, PN 62045-2, 62045-02.  As with everything I sell, this may be returned for a full refund for any reason.  

This item was not produced under any production authority from the FAA and may only be suitable for use on experimental aircraft, boats, cars, motorcycles or other non-aviation installations.  Use on certified aircraft will require some method of FAA approval.