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Remy 20583 Alternator
| Brand | Remy 20583 |
|---|---|
| Amperage Rating | 124 |
| Fan Type | External |
| New or Remanufactured | Remanufactured |
| OE Manufacturer | Delco/Delphi |
| Pulley Included | Yes |
| Rotation Direction | Clockwise |
| Voltage (V) | 12 |
| Voltage Regulator Type | Internal |
| Product line | Premium Remanufactured |
| Fits | Buick and Oldsmobile · 3 vehicles |
Remanufactured unit. Premium remanufactured alternator for dependable replacement.
OE manufacturer pedigree. Built with Delco/Delphi heritage for trusted fit and function.
Internal regulator. Integrated voltage control helps simplify installation.
Cross-references 1101590, 10463192 and 10463297 for the same application. See all 4.
Remanufactured Alternator for 1991 Buick and Oldsmobile
Remy Premium Remanufactured Part Number 20583 is a 12-volt alternator built for direct-fit charging system service on select 1991 Buick and Oldsmobile vehicles. It delivers 124 amps, uses an internal voltage regulator, and includes the pulley for a complete replacement unit.
Key Features
- 124-amp amperage rating for charging system output
- 12-volt alternator with internal voltage regulator
- Remanufactured to OE-style specifications
- External fan design
- Clockwise rotation
- Pulley included
- OE manufacturer reference: Delco/Delphi
Product Line Details
Remy Premium Remanufactured parts are positioned as remanufactured electrical components for vehicle applications that require OE-style fit and function. This alternator is part of that premium remanufactured line and is built around the original equipment design used in the listed applications.
Fitment Details
- Fits 1991 Buick Reatta, N/A, w/11:00 Alt Plug; 124 Amps; Premium Remanufactured
- Fits 1991 Buick Riviera, N/A, w/11:00 Alt Plug; 124 Amps; Premium Remanufactured
- Fits 1991 Oldsmobile Toronado, N/A, wo/Heated Windshield; 124 Amps; Premium Remanufactured
This part cross-references OE numbers 1101590 and 10463192 for the same application.
What This Alternator Helps Address
- Battery warning lights caused by weak charging output
- Low system voltage during driving or idle conditions
- Dim headlights and reduced electrical performance
- Charging failure from a worn or failing alternator
- Noise or irregular operation from an aging charging unit
Installation Notes and Tips
Verify the 11:00 alternator plug orientation on 1991 Buick Reatta and Riviera applications before installation. Confirm the vehicle is the correct Toronado configuration without heated windshield equipment. Check belt condition, wiring connections, and mounting points during replacement to help ensure proper charging system operation.
Quality Assurance
Remy Premium Remanufactured electrical components are remanufactured to OE-style standards using the original equipment design reference for the listed applications. Part Number 20583 is specified for the confirmed fitment shown above.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1991 | Buick | Reatta | 3.8L | V6 | N/A | w/11:00 Alt Plug; 124 Amps; Premium Remanufactured |
| 1991 | Buick | Riviera | 3.8L | V6 | N/A | w/11:00 Alt Plug; 124 Amps; Premium Remanufactured |
| 1991 | Oldsmobile | Toronado | 3.8L | V6 | N/A | wo/Heated Windshield; 124 Amps; Premium Remanufactured |
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