OE Quality
60-Day Returns

Remy 20047 Alternator
Reliable Alternator for Ram ProMaster Vehicles
The Remy Premium Remanufactured Alternator 20047 is designed to restore charging system performance in Ram ProMaster 1500, 2500, and 3500 models. Engineered to meet OEM specifications, this 12-volt alternator delivers consistent 220-amp output with an internal fan and clockwise rotation.
- Amperage Rating: 220 amps for robust electrical output
- Fan Type: Internal fan for efficient cooling
- Voltage: 12 volts compatible with standard vehicle systems
- Rotation Direction: Clockwise to match factory setup
- Voltage Regulator Type: External for precise voltage control
- Pulley Included for direct replacement installation
- OE Manufacturer: Nippondenso ensuring OEM quality standards
- Remanufactured unit providing reliable performance and value
About the Premium Remanufactured Product Line
The Premium Remanufactured line by Remy offers alternators that have been carefully rebuilt to meet strict quality and performance criteria. This process includes thorough testing and replacement of worn components, ensuring the alternator 20047 performs comparably to new units. This line is ideal for technicians and vehicle owners seeking dependable remanufactured parts for Ram ProMaster vehicles.
Product Details and Specifications
This Remy alternator 20047 is specifically engineered for Ram ProMaster 1500, 2500, and 3500 models, providing a direct fit replacement. The 220-amp output supports the electrical demands of commercial and passenger applications. Featuring an internal fan, the alternator maintains optimal operating temperatures while the external voltage regulator ensures stable voltage delivery. The included pulley and clockwise rotation match factory configurations, simplifying installation.
Common Issues Addressed by This Alternator
- Battery not charging or slow charging
- Dim or flickering vehicle lights
- Electrical system warning lights on the dashboard
- Unusual noises from the alternator area
- Vehicle stalling or difficulty starting due to electrical failure
Installation Notes and Tips
Before installation, verify compatibility with your Ram ProMaster model and engine type. Disconnect the battery to prevent electrical shorts. Ensure the pulley and rotation direction match the original alternator. Use proper torque specifications when mounting the alternator and reconnect all electrical connections securely. Testing the charging system after installation is recommended to confirm proper operation.
Quality Assurance and Warranty
Remy Premium Remanufactured alternators undergo comprehensive testing to meet OEM standards. Each unit is inspected for electrical output, mechanical integrity, and durability. While specific warranty details may vary, Remy typically offers coverage against defects in materials and workmanship, providing confidence in the alternator 20047’s reliability for Ram ProMaster 1500, 2500, and 3500 vehicles.
| Brand | Remy |
| Part Number | 20047 |
| Position | Premium Remanufactured |
| Amperage Rating | 220 |
| Fan Type | Internal |
| New or Remanufactured | Remanufactured |
| OE Manufacturer | Nippondenso |
| Pulley Included | Yes |
| Rotation Direction | Clockwise |
| Voltage (V) | 12 |
| Voltage Regulator Type | External |
This part fits 24 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2021 | Ram | ProMaster 1500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2021 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2021 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2020 | Ram | ProMaster 1500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2020 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2020 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2019 | Ram | ProMaster 1500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2019 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2019 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2018 | Ram | ProMaster 1500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2018 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2018 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2017 | Ram | ProMaster 1500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2017 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2017 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2016 | Ram | ProMaster 1500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2016 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2016 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2015 | Ram | ProMaster 1500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2015 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2015 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2014 | Ram | ProMaster 1500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2014 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
| 2014 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | Opt; 220 Amps; Premium Remanufactured |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.