Alternator Comparison by "5-90"
- At idle, alternators normally spin at 2400rpm
- Engine RPM of 2K is usually where alternators are at maximum output
- YJs and TJs have smaller alternators than XJs
pre-99 XJs
- Used P&P field voltage connectors
99-01 XJ Alternator:
Part # 56041822AA
110 or 117 Amps
| Description | Part Number | Current Output | Regulator |
|---|---|---|---|
| Delco SI Alternator (84-86) | 7273 | 78A @ 14VDC | Internal |
| Delco SI Alternator (84-86) | 7294 | 94A @ 14VDC | Internal |
| Delco CS Alternator (87-90) | 7902 | 100A @ 14VDC | Internal |
| Delco CS Alternator (87-90) | 7902-140A | 140A @ 14VDC | Internal |
| Nippondenso Alternator (91-01) | 13341 | 90A @ 14VDC | External in PCM |
| Nippondenso Alternator (91-01) | 13341-130A | 130A @ 14VDC | External in PCM |
Alternative Swaps
98 ZJ Alternator: 136 Amps
- Requires clearancing the both stock XJ brackets
- Has a larger pulley than the XJ and will need to swap with XJ pulley
02 Dodge Durango V8: 160 Amps
92-98 Durange V8 PN: AND0115: 136 Amps
- Requires clearancing the brackets
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| ndenso_front.jpg | 0 bytes |
| ndenso_rear.jpg | 0 bytes |
