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Remy 12388 Alternator
| Brand | Remy 12388 |
|---|---|
| Amperage Rating | 136 |
| Fan Type | Internal |
| New or Remanufactured | Remanufactured |
| OE Manufacturer | Nippondenso |
| Pulley Included | Yes |
| Rotation Direction | Clockwise |
| Voltage (V) | 12 |
| Voltage Regulator Type | External |
| Product line | Premium Remanufactured |
| Fits | Dodge · 4 vehicles |
Remanufactured unit. A remanufactured alternator for dependable charging performance.
OE manufacturer pedigree. Built to Nippondenso specifications for a precise replacement fit.
External regulator. Uses an external voltage regulator for the correct charging setup.
Cross-references 121000-4481 and 56027221AD for the same application. See all 2.
Remanufactured Alternator for Ram HD Trucks
The Remy Premium Remanufactured alternator Part Number 12388 is built for 12-volt charging systems and delivers 136 amps for 2001-2002 Dodge Ram 2500 and Ram 3500 applications. It uses an internal fan, clockwise rotation, a pulley, and an external voltage regulator setup to match the original Nippondenso unit configuration.
Key Features
- Remy Premium Remanufactured alternator
- Part Number 12388
- 136-amp output for 12-volt systems
- Internal fan design
- Clockwise rotation
- Pulley included
- External voltage regulator type
- OE manufacturer reference: Nippondenso
Product Details
Remy Premium Remanufactured focuses on OE-style electrical replacement parts for charging and starting systems. This alternator is specified for Dodge Ram 2500 and Dodge Ram 3500 trucks from 2001-2002 and is listed as a remanufactured unit with the same core configuration expected from the original Nippondenso application. Part Number 12388 is a direct-fit charging system replacement for trucks that require a 136-amp alternator with clockwise rotation and external regulation.
This part cross-references 121000-4481 and 56027221AD for the same application.
What It Helps Fix
- Low battery charge or repeated battery drain
- Dim lights caused by weak charging output
- Charging system warning lights
- Voltage instability from a failing alternator
- Accessory performance issues tied to insufficient amperage
Installation Notes and Tips
Verify the vehicle uses a Nippondenso-style alternator with 136 amps, clockwise rotation, and an external voltage regulator before installation. Confirm pulley and connector match the original unit on the truck. For 2001-2002 Dodge Ram 2500 and Ram 3500 models, compare the removed alternator to Part Number 12388 to confirm housing, mounting, and electrical connection alignment.
Quality Assurance
Remy Premium Remanufactured parts are remanufactured to meet application-specific charging system requirements for OE-style replacement use. This alternator is built around the listed specifications for the 2001-2002 Dodge Ram 2500 and Ram 3500 platform.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2002 | Dodge | Ram 2500 | 5.9L | L6 | DIESEL | N/A | NDenso Unit; 136 Amps; Premium Remanufactured |
| 2002 | Dodge | Ram 3500 | 5.9L | L6 | DIESEL | N/A | NDenso Unit; 136 Amps; Premium Remanufactured |
| 2001 | Dodge | Ram 2500 | 5.9L | L6 | DIESEL | N/A | NDenso Unit; 136 Amps; Premium Remanufactured |
| 2001 | Dodge | Ram 3500 | 5.9L | L6 | DIESEL | N/A | NDenso Unit; 136 Amps; Premium Remanufactured |
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