| Item | Part No. | Part Name | Qty | Serial No. |
| 600-821-3850 | ALTERNATOR A. (15A) | 131803- | ||
| THE NIKKO DENKI PART NUMBER IS THAT KD IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | KD1-0452-62017 | BEARING,BALL¤ REAR | 131803- | |
| 2 | KD1-33926-0252 | RETAINER | 131803- | |
| 3 | KD0-33100-1380 | ROTOR ASS'Y | 131803- | |
| 4 | KD1-33923-0940 | COLLAR | 131803- | |
| 5 | KD1-33926-0930 | RETAINER | 131803- | |
| 6 | KD1-33926-0920 | RETAINER | 131803- | |
| 7 | KD1-0452-63027 | BEARING,BALL¤ FRONT | 131803- | |
| 8 | KD1-33926-0910 | RETAINER | 131803- | |
| 9 | KD1-33923-0930 | COLLAR | 131803- | |
| 10 | KD1-33761-1170 | COVER | 131803- | |
| KD0-33700-2590 | REAR BRACKET ASS'Y | 131803- | ||
| 11 | KD1-38943-0050 | BUSHING,INSULATE | 131803- | |
| 12 | KD1-33780-0600 | TERMINAL ASS'Y | 131803- | |
| 13 | KD0-33710-3100 | BRACKET,REAR | 131803- | |
| 14 | KD0-33730-2300 | RECTIFIER ASS'Y | 131803- | |
| 15 | KD0-33719-0080 | REGULATOR ASS'Y | 131803- | |
| 16 | KD0-33200-1311 | STATOR ASS'Y | 131803- | |
| 17 | KD0-33311-0420 | BRACKET,FRONT | 131803- | |
| 18 | KD1-33421-0600 | FAN | 131803- | |
| 19 | KD0-33411-2720 | PULLEY,NON HARDENING | 131803- | |
| 20 | KD1-33951-0680 | PACKING,(NOT SHOWN) | 131803- |