400-12125-JN J&N Electrical Products AlternatorOne New Aftermarket J&N Electrical Products Alternator Tech Info: AC Fits Delco Tools: 321 1016, 321 1037, 321 1045, 321 300, 321 301, 321 339, 321 395, 321 439, 321 440, 321 452, 321 464, 321 473, 321 503, 321 593, 334 2333, 334 2372, 334 2396, 334 2407, RM1013, RM1018, RM1133; Arrowhead: 400 12144, ADR0022; Fits Bosch: AL668N, AL668X, AL8590N, AL8590X; Fits Delco: 10463001, 10463002, 10463044, 10463045, 10463104, 10463148, 10463149, 10463158,