One New Aftermarket J&N Electrical Products StarterTech Info:-LESTER: 4339, 6420, 6440, FAMILY: Fits Delco 10MT, VOLT: 12, CONDITION: New, QUALITY TYPE: Premium, ROTATION DIRECTION: Clockwise, ELECTRIC STARTER TYPE: Direct Drive (DD), NUMBER OF TEETH: 9, GEAR OD: 0.980", GEAR OD: 24.900mm, MOUNT HOLE ID 1: 10mm, MOUNT HOLE 1 TYPE: Unthreaded, MOUNT HOLE 2 TYPE: Unthreaded, WARRANTY: 1 Year-Arrowhead: 410-12115, SDR0030, SDR0065; Fits Delco: 1998315, 1998404; J&N Electrical Products: 410-12172, 410-12672; JANNCO: 410-12115R; Lester: 4339, 6420, 6440; Mercury Marine: 50-65785A1, 50-79604A1, 50-79604A3, 50-97499, 50-97499A2, 50-97499R2, 50-97499R4; OMC Outboard Marine Corp: 941289, 980821, 982202Replaces Part Number(s): 410-12115 All OEM part numbers and logos are to be used for identification purposes only