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Remy 21028 Alternator
Reliable Alternator Replacement for Buick Riviera
The Remy Premium Remanufactured Alternator 21028 is designed specifically for Buick Riviera models, providing a dependable electrical charging solution. This 12-volt alternator features a 140-amp rating and includes an external fan for efficient cooling during operation.
- Amperage Rating: 140 amps for consistent power output
- Fan Type: External fan to enhance cooling performance
- Voltage: 12 volts suitable for standard automotive electrical systems
- Rotation Direction: Clockwise rotation matching OEM specifications
- Voltage Regulator: Internal regulator for simplified installation
- Pulley Included: Comes with pulley for direct replacement
- OE Manufacturer: Remanufactured to Delco/Delphi standards
About the Premium Remanufactured Brand Line
The Premium Remanufactured line by Remy offers alternators that have been carefully rebuilt to meet original equipment manufacturer (OEM) standards. This ensures that the alternator 21028 delivers reliable performance and durability comparable to new units, while providing a cost-effective alternative. Each unit undergoes thorough testing and quality checks to maintain consistent electrical output and fitment accuracy.
Product Details and Specifications
This Remy alternator 21028 is engineered for the Buick Riviera, ensuring compatibility and ease of installation. The 140-amp output supports the vehicle’s electrical demands, including lighting, ignition, and accessory systems. The external fan design helps maintain optimal operating temperatures, reducing the risk of overheating. The internal voltage regulator simplifies wiring and reduces installation complexity. The clockwise rotation and included pulley match the original equipment, allowing for a direct swap without modifications.
Common Applications and Issues Addressed
- Replacement for failing or weak alternators in Buick Riviera vehicles
- Resolves battery charging problems and electrical system malfunctions
- Addresses issues with dimming lights or electrical accessories not functioning properly
- Fixes alternator noise caused by worn internal components
- Eliminates voltage irregularities due to faulty voltage regulators
Installation Notes and Tips
When installing the Remy alternator 21028, ensure the battery is disconnected to prevent electrical shorts. Verify the clockwise rotation direction matches the original alternator. The included pulley allows for straightforward replacement without additional parts. Check belt tension after installation to avoid slippage. Since the voltage regulator is internal, no external adjustments are necessary.
Quality Assurance and Warranty
Remy’s Premium Remanufactured alternators undergo comprehensive testing to meet OEM performance standards. Each unit is inspected for electrical output, mechanical integrity, and fitment accuracy. While specific warranty details are not provided here, Remy typically offers coverage to protect against defects in materials and workmanship, ensuring confidence in the product’s reliability.
| Brand | Remy |
| Part Number | 21028 |
| Position | Premium Remanufactured |
| Amperage Rating | 140 |
| Fan Type | External |
| New or Remanufactured | Remanufactured |
| OE Manufacturer | Delco/Delphi |
| Pulley Included | Yes |
| Rotation Direction | Clockwise |
| Voltage (V) | 12 |
| Voltage Regulator Type | Internal |
This part fits 1 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Buick | Riviera | 3.8L | V6 | N/A | 140 Amp Alternator; 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.