CERTAIN FEDERAL-MOGUL MECHANICAL FUEL PUMPS SOLD FOR USE AS AFTERMARKET EQUIPMENT ON NUMEROUS APPLICATIONS PACKAGED AS EITHER CARTER FUEL DELIVERY PRODUCTS, CARTER ACCUFLOW, NAPA FUEL PUMPS, OR NAPA TRUFLOW. THE PART NUMBERS ARE M6984, M6978, M6959, M6737, M6626, M6624, M6588, M6505, M60519, M60405, M60404, M60335, M60036, M4503, 2M4503, 2M6984, 2M6978, 2M6959, 2M6737, 2M6588, 2M60036, 2M60519, 2M60405, 2M60404, 2M60335. THE LACK OF PROPER THREAD DEPTH IN THE MECHANICAL FUEL PUMP’S FLARED FITTING WILL CAUSE IMPROPER SEAL AND THUS THE POTENTIAL FOR FUEL LEAKING FROM THE FITTING.