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Remy 21033 Alternator
Reliable Alternator for Chevrolet and GMC Vehicles
The Remy Premium Remanufactured Alternator 21033 is designed to restore charging system performance in select Chevrolet and GMC models. Engineered to meet OE specifications, this 12-volt alternator provides consistent power delivery for vehicles like the Chevrolet Astro and GMC Safari.
- Amperage Rating: 105 amps for stable electrical output
- Fan Type: External fan for efficient cooling
- Remanufactured to OE standards for durability
- OE Manufacturer: Delco/Delphi for trusted quality
- Pulley Included for straightforward installation
- Rotation Direction: Clockwise to match original equipment
- Voltage Regulator Type: Internal for simplified wiring
About the Premium Remanufactured Product Line
The Premium Remanufactured line by Remy focuses on delivering alternators that have been carefully rebuilt to meet or exceed original equipment manufacturer standards. This ensures reliable performance and longevity while providing a cost-effective alternative to new parts. The 21033 alternator benefits from this process, offering a dependable replacement for your vehicle's charging system.
Product Details and Specifications
This Remy alternator 21033 operates at 12 volts with a 105-amp output, suitable for maintaining electrical system stability in Chevrolet Astro, GMC G10, G20, G30, and Safari models. The external fan design helps dissipate heat effectively, extending the alternator's service life. Featuring an internal voltage regulator, this alternator simplifies installation and reduces potential wiring issues. The included pulley and clockwise rotation direction ensure compatibility with the original setup.
Common Applications and Problem Resolution
- Replaces faulty or worn alternators in Chevrolet Astro and GMC Safari vehicles
- Resolves battery charging issues and electrical system failures
- Eliminates dimming headlights and electrical accessory malfunctions
- Addresses warning lights related to charging system faults
- Restores proper voltage regulation for consistent engine performance
Installation Notes and Tips
Before installation, verify compatibility with your specific Chevrolet or GMC model and engine configuration. The included pulley and clockwise rotation direction match original equipment, facilitating a direct replacement. Ensure battery terminals are disconnected prior to removal and installation to prevent electrical shorts. After installation, test the charging system to confirm proper operation.
Quality Assurance and Warranty
Remy Premium Remanufactured alternators undergo rigorous testing to meet OE standards, ensuring reliable performance and durability. This alternator 21033 is backed by Remy's quality assurance processes, providing confidence in its fit and function. Please refer to Remy's warranty terms for specific coverage details.
| Brand | Remy |
| Part Number | 21033 |
| Position | Premium Remanufactured |
| Amperage Rating | 105 |
| 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 24 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1992 | Chevrolet | Astro | 4.3L | V6 | N/A | Not compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured |
| 1992 | Chevrolet | G10 | 5.7L | V8 | N/A | Standard 105 Amp alternator: suitable for various applications.; Premium Remanufactured |
| 1992 | Chevrolet | G10 | 4.3L | V6 | N/A | Not compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured |
| 1992 | Chevrolet | G10 | 5.0L | V8 | N/A | Not compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured |
| 1992 | Chevrolet | G20 | 5.7L | V8 | N/A | Standard 105 Amp alternator: suitable for various applications.; Premium Remanufactured |
| 1992 | Chevrolet | G20 | 5.0L | V8 | N/A | Not compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured |
| 1992 | Chevrolet | G20 | 4.3L | V6 | N/A | Not compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured |
| 1992 | Chevrolet | G30 | 5.7L | V8 | N/A | Standard 105 Amp alternator: suitable for various applications.; Premium Remanufactured |
| 1992 | Chevrolet | G30 | 7.4L | V8 | N/A | Standard 105 Amp alternator: suitable for various applications.; Premium Remanufactured |
| 1992 | Chevrolet | G30 | 4.3L | V6 | N/A | Not compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured |
| 1992 | GMC | G1500 | 4.3L | V6 | N/A | Not compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured |
| 1992 | GMC | G1500 | 5.0L | V8 | N/A | Not compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured |
| 1992 | GMC | G1500 | 5.7L | V8 | N/A | Standard 105 Amp alternator: suitable for various applications.; Premium Remanufactured |
| 1992 | GMC | G2500 | 5.0L | V8 | N/A | Not compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured |
| 1992 | GMC | G2500 | 5.7L | V8 | N/A | Standard 105 Amp alternator: suitable for various applications.; Premium Remanufactured |
| 1992 | GMC | G2500 | 4.3L | V6 | N/A | Not compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured |
| 1992 | GMC | G3500 | 5.7L | V8 | N/A | Standard 105 Amp alternator: suitable for various applications.; Premium Remanufactured |
| 1992 | GMC | G3500 | 4.3L | V6 | N/A | Not compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured |
| 1992 | GMC | G3500 | 7.4L | V8 | N/A | Standard 105 Amp alternator: suitable for various applications.; Premium Remanufactured |
| 1992 | GMC | Safari | 4.3L | V6 | N/A | Not compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured |
| 1991 | Chevrolet | Astro | 4.3L | V6 | N/A | Not compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured |
| 1991 | GMC | Safari | 4.3L | V6 | N/A | Not compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured |
| 1990 | Chevrolet | Astro | 4.3L | V6 | N/A | Not compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured |
| 1990 | GMC | Safari | 4.3L | V6 | N/A | Not compatible with vehicles with less than 105 amps capacity.; 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.