【Replacement Part Number】 621501-10, please verify this OE number matches your original fuel tank cap before purchasing
【Wide Compatibility】This marine fuel tank cap fits a wide range of portable boat gas tanks, including fit for M-oeller & T-empo old-style models, and is compatible with the following part numbers: 031103, 031106, 031109, 031112, 031212, 620003, 620049, 630012, 630013, 630014, 620040, 720040, 730014 and 730025
【Manual Venting Boat Fuel Cap】 Features an adjustable twist-vent for controlled airflow. Secures tightly to prevent leaks, with an easy-turn screw for quick venting adjustments
【Built to Last】 This marine fuel cap replacement is made of heavy-duty plastic for long-term durability. It withstands saltwater, sunlight, and harsh conditions without cracking, fading, or wear
【Easy to Use】 This vented fuel tank cap requires no tools—just turn it counterclockwise to open and clockwise to lock it securely. The design ensures proper venting for safe fuel flow. To close, simply align the cap with the tank opening and twist until it clicks into place