Meziere Water Pump Fitting This fitting is just one of the many options to complete your electric water pump system conversion. The -12AN male o-ring connection mates to the Meziere Electric water pumps listed below, while the 1-1/4 inch hose outlet receives hoses with the same interior diameter. This part number features Fits pump models WP136 / WP116 / WP316 / WP137 / WP161 / WP307 Standard 12AN male o-ring boss on one end and 1 1/4" diameter male hose slip on the opposite end Blue anodized finish