Voltage Regulator - 12 Volt - 4 Spade Plug John Deere 2440 401C 4520 4455 302A 400 302 401B 4020 401 2020 1520 401D 5020 480A 2030 2630 480 300 1530 1020 380 450 300B 301A 480B 301 4000 480C 2640 Fits John Deere Tractor(s) 1020, 1520, 1530, 2020, 2030, 2440, 2630, 2640, 4000, 4020, 4455, 4520, 5020 Fits John Deere Construction & Industrial(s) 300, 300B, 301, 301A, 302, 302A, 380, 400, 401, 401B, 401C, 401D, 450, 480, 480A, 480B, 480C Replaces John Deere OEM nos AR77485, AT21815, AR48266 Replaces Prestolite Mfg nos 105-139, 105-146, 8-359, VSH-6201R Replaces Mfg nos 5-110, 5-139, 5-146, 5-25, 5-67, 5-81, 8RB2002, 8RB2007, 8RH2004D, 8RH2004E, R2AM4, R2J1, 3195003, 3211952