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DENSO alternators are not only original equipment on many of the world's top production cars; they are a favorite in motorsports as well. Remanufactured DENSO alternators go through a grueling process, and all alternators meet DENSO's rigorous First Time FitŪ standards. These alternators meet or exceed all manufacturer standards, mount properly without installation issues, and provide years of reliable service.
Remanufacturing Process Includes:
- Bearing - 100% tested to OEM specifications and repacked with premium OE-standard lubricant.
- Stator - Insulation tested to 600 volts.
- Rotor - Performance and insulation tested to 600 volts.
- Housing - Re-tapped to OEM specifications and damage-checked for heat warping, corrosion, or improper surface alignment.
- Hardware - 100% stripped and replated.
- Rectifier - Performance tested to 300 volts.
- Voltage Regulator - 100% voltage tested to OEM specification.
- Slip Ring - Re-machined to an average of 8 microns (20 micron run-out maximum), minimizing brush wear and abrasion.
How Much Amperage Do I Need?
The Amp Rating of your replacement alternator should provide at least as much amperage as your vehicle's factory electronics demand, plus any additional amperage needed to power electrical accessories added to the vehicle. There are several ways to determine your OE Amp Rating:
- OE Part - Check the Amp Rating stamped on the OE alternator (or if you see an OE Part Number, look it up on RockAuto.com), or
- Fuse Box Diagram - Add together the Amps listed on all the vehicle's Fuse Box Diagrams (under the hood and/or under the dash), or
- MultiMeter - Use a MultiMeter to individually measure the amp draw of major factory and aftermarket electronics with the engine off and then total those numbers. The replacement alternator should have an amp output at least 50% greater than that total, or
- Window Sticker - If it is still available, check the vehicle's factory window sticker to see if an optional higher output alternator was installed
Tip: Alternators work best when operating between 30%-50% capacity. Upgrading to an alternator with higher Amp output than required may improve fuel economy and extend the life of your battery and replacement alternator.
Not Sure Your Alternator is the Problem?
When the battery goes dead, the condition of the battery and the alternator are two of the first things to check. However, do not assume that if the battery is good then the alternator must be bad and the cause of the problem.
Read These Electrical Troubleshooting Tips First! |
| Amperage Rating | 45 | | Family | DENSO OE | | Fan Type | External | | Plug Type | 140 | | Regulator Type | External | | Rotation Direction | Counterclockwise | | Voltage | 12.0 |
| Alternate/OEM Part Number(s): 0210008410, 0210009040, 0210009041, 0210009080, 0210009090, 0210009091, 0210009910, 31100PA0663, 31100PA6000, 31100PA6004, 31100PA6014, 31100PC0004, 31100PC0014, VA316 |
| Warranty Information:12 Months |
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