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Remy 20045 Alternator
Reliable Alternator for Ram ProMaster Vehicles
The Remy Premium Remanufactured Alternator 20045 is designed specifically for Ram ProMaster 1500, 2500, and 3500 models. This 12-volt alternator delivers a 180-amp output with a clockwise rotation, ensuring consistent electrical performance for your vehicle's charging system.
- Amperage Rating: 180 amps for robust electrical output
- Fan Type: Internal fan for efficient cooling
- Remanufactured unit with Nippondenso OE manufacturer quality
- Pulley Included for straightforward installation
- Voltage Regulator Type: External for precise voltage control
- Compatible with Ram ProMaster 1500, 2500, and 3500 models
- Rotation Direction: Clockwise to match factory specifications
About the Premium Remanufactured Product Line
The Premium Remanufactured line by Remy offers alternators that have been carefully rebuilt to meet original equipment standards. This ensures that the alternator 20045 provides reliable performance and durability comparable to new units. Each component is inspected and tested to maintain quality, making it a practical choice for maintaining your Ram ProMaster's electrical system.
Product Details and Specifications
This Remy alternator features a 180-amp amperage rating, suitable for vehicles requiring higher electrical output. The internal fan design helps maintain optimal operating temperatures, reducing wear and extending service life. The included pulley and external voltage regulator type align with the original equipment setup, simplifying replacement and ensuring compatibility. The clockwise rotation matches the factory alternator's direction, preventing installation issues.
Common Applications and Problem Resolution
- Restores charging system functionality in Ram ProMaster 1500, 2500, and 3500
- Resolves battery drain or failure to charge issues
- Eliminates dimming or flickering dashboard lights
- Addresses warning lights related to charging system faults
- Replaces alternators with worn or damaged internal fans or pulleys
Installation Notes and Tips
When installing the Remy Premium Remanufactured Alternator 20045, ensure the clockwise rotation matches your vehicle’s original alternator. The included pulley facilitates direct replacement without additional parts. Verify the external voltage regulator connections are secure and compatible with your Ram ProMaster model. It is recommended to test the charging system after installation to confirm proper operation.
Quality Assurance and Warranty
Remy’s Premium Remanufactured alternators undergo rigorous testing to meet or exceed OEM standards. This alternator is built with Nippondenso OE components to ensure reliability and longevity. While specific warranty details may vary, Remy typically offers coverage that supports confidence in the product’s performance and durability.
| Brand | Remy |
| Part Number | 20045 |
| Position | Premium Remanufactured |
| Amperage Rating | 180 |
| 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 | 180 Amps, Standard fitting; Premium Remanufactured |
| 2021 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2021 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2020 | Ram | ProMaster 1500 | 3.6L | V6 | N/A | 180 Amps - specific for Alternator; Premium Remanufactured |
| 2020 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | 180 Amps - specific for Alternator; Premium Remanufactured |
| 2020 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | 180 Amps - specific for Alternator; Premium Remanufactured |
| 2019 | Ram | ProMaster 1500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2019 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2019 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2018 | Ram | ProMaster 1500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2018 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2018 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2017 | Ram | ProMaster 1500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2017 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2017 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2016 | Ram | ProMaster 1500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2016 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2016 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2015 | Ram | ProMaster 1500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2015 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2015 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2014 | Ram | ProMaster 1500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2014 | Ram | ProMaster 2500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; Premium Remanufactured |
| 2014 | Ram | ProMaster 3500 | 3.6L | V6 | N/A | 180 Amps, Standard fitting; 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.