Fits Delco Alternator

One Tech Info:-LESTER: 8757, FAMILY: Fits Delco 40SI 2nd Gen., FAMILY TYPE: 455, VOLT: 12, AMPS: 275, CONDITION: New, REGULATOR CLOCK: 12:00, J180 HINGE LENGTH: 215.9, ROTATION DIRECTION: Clockwise, MOUNT HOLE ID 1: 1/2-13, MOUNT HOLE 1 TYPE: Threaded, MOUNT HOLE 2 TYPE: Unthreaded, MOUNT HOLE ID 3: 13.200mm, MOUNT HOLE 3 TYPE: Unthreaded, MOUNTING EAR THICKNESS: 0.539, MOUNTING EAR THICKNESS: 13.700mm, MOUNTING EAR 2 THICKNESS: 0.551, MOUNTING EAR 2 THICKNESS: 14mm, MOUNTING EAR 3 THICKNESS: 0.787, MOUNTING EAR 3 THICKNESS: 20mm, FAN LOCATION: External, REGULATOR LOCATION: Internal, TERMINAL ID 2: B+, TERMINAL 2 SIZE: 5/16-18, TERMINAL ID 3: S, TERMINAL 3 SIZE: 10-24, TERMINAL ID 4: I, TERMINAL 4 SIZE: 10-24, TERMINAL ID 5: R, TERMINAL 5 SIZE: 10-24, POLARITY: Negative, SHAFT PULLEY OD: 0.875, SHAFT PULLEY OD: 22.220mm, SHAFT: 5/8-18, : Leece Neville Style@ Brushless@ Suitable for Temperatures Up to 257° F 125° C@ 3 Ground Terminal Locations on SRE Housing-Arrowhead: D8600280; Fits Delco: 8600280, 8600307; JAndN Electrical Products: 400-12739; Leece Neville: 4856AA, 4867JB, 4867JGH, 4870AA, 4870JB, 4871JB, 4872AA, 4872JB; Lester: 8757Replaces Part Numbers: DRA-8600280