Mastercraft Ballast Pump - 12VThe Jabsco Wake/Surf boat Ballast pump is the direct replacement for Mastercraft part number 300249. The Jabsco pump comes standard with a green Run Dry Impeller and has the standard electrical quick connector already installed. Just connect your hoses, mount the pump in the boat, plug the power leads together and your surfing and wakeboarding again.Features:. Same electrical connection as original OEM. Same mounting as the OEM unit, no need to drill more holes. The leader for flexible Impeller Ballast Pumps. WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.