2000 Jeep Cherokee 4.0 Alternator Ratings and Replacement
2000 Jeep Cherokee 4.0 Alternator Ratings and Replacement with application table, generation boundaries, verification steps.
Jeep's 2000 Cherokee 4.0L table lists three Denso alternators: P/N 56041565AA at 81 A, 56041685AA at 117 A and 56041822AA at 124 A. Replacement must match the installed part and electrical package, not simply the largest output.
Jeep's 2000 Cherokee 4.0L table lists three Denso alternators: P/N 56041565AA at 81 A, 56041685AA at 117 A and 56041822AA at 124 A. Replacement must match the installed part and electrical package, not simply the largest output.
These ratings apply to the cited 2000 Cherokee 4WD 4.0L VIN S service data. They do not cover the later KL Cherokee or every XJ year, connector, pulley or PCM calibration.
Interactive 2000 Cherokee 4.0L specification guide
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Use this visual as an orientation aid. The exact VIN, engine, trim and manufacturer document control the specification.
Jeep Cherokee Alternator Replacement Specs
| APPLICATION / ITEM | SPECIFICATION | NOTES |
|---|---|---|
| Denso 56041565AA | 81 A rated | 57 A minimum test output |
| Denso 56041685AA | 117 A rated | 88 A minimum test output |
| Denso 56041822AA | 124 A rated | 90 A minimum test output |
| Mounting / pivot fasteners | 55 N·m | Factory mechanical row |
Minimum test outputs are 57 A, 88 A and 90 A respectively under the factory test conditions. The mounting and pivot fasteners are listed at 55 N·m; disconnect the battery and follow the full belt/charging procedure before removal.
Why the 2000 XJ has three factory ratings
Jeep lists 81-, 117- and 124-amp Denso units under different part numbers. Electrical package, mounting and calibration determine the installed unit; output rating alone is not permission to substitute the largest alternator.
Read the label and part number before removal and confirm the superseding catalog entry by VIN. Match pulley alignment, connector, case clocking and mounting ears as well as amperage.
Test the charging system before replacing the generator
The table's minimum test outputs—57, 88 and 90 amps—belong to controlled factory test conditions. A low voltage reading at idle can also come from belt slip, battery condition, cable resistance, poor grounds or regulator control.
Load-test the battery, inspect the belt and measure voltage drop on positive and ground paths before condemning the alternator. Disconnect the battery for removal, maintain correct belt routing and use the 55-N·m mounting/pivot value only on the covered fasteners.
Application boundaries for 2000 Cherokee 4.0L
These ratings apply to the cited 2000 Cherokee 4WD 4.0L VIN S service data. They do not cover the later KL Cherokee or every XJ year, connector, pulley or PCM calibration.
Minimum test outputs are 57 A, 88 A and 90 A respectively under the factory test conditions. The mounting and pivot fasteners are listed at 55 N·m; disconnect the battery and follow the full belt/charging procedure before removal.
Jeep 2000 Cherokee 4.0L specifications can change by model year, engine, platform, wheel, and installed component. Confirm the VIN or engine identity, part numbers, fastener condition, and the current manufacturer instructions before service.
Procedures used with this specification
These steps are the same for every vehicle in this family, so they are documented once rather than repeated on each page. The values above remain specific to this Jeep 2000 Cherokee 4.0L.
2000 Jeep Cherokee 4.0 Alternator Ratings and Replacement FAQs
What alternator ratings are listed for the 2000 Jeep Cherokee 4.0?+
Jeep lists Denso units rated at 81, 117 and 124 amps under three separate part numbers.
Can I install the 124-amp unit in every 2000 Cherokee?+
Do not assume that. Match the VIN, installed part number, mounting, pulley, connector and electrical package.
What are the minimum factory test outputs?+
57 A for the 81-A unit, 88 A for the 117-A unit and 90 A for the 124-A unit.
What is the listed mounting-fastener torque?+
55 N·m for the covered generator mounting and pivot fasteners.
Technical sources
TorqueSheet favors engine- and component-specific manufacturer instructions over unsourced universal values.
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