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Remy 22020 Alternator
Reliable Alternator for Select GM and Saab Vehicles
The Remy Premium Remanufactured Alternator 22020 is designed to restore charging system performance in various Buick, Cadillac, Chevrolet, GMC, and Saab models. Engineered with a 145-amp rating and internal voltage regulator, this alternator supports 12-volt electrical systems with clockwise rotation.
- Amperage Rating: 145 amps for consistent power output
- Fan Type: Internal fan for efficient cooling
- Voltage: 12 volts compatible with standard vehicle electrical systems
- Rotation Direction: Clockwise rotation to match OEM specifications
- Voltage Regulator: Internal type for simplified installation
- Pulley Included: Yes, ready for direct replacement
- OE Manufacturer: Delco/Delphi remanufactured component
- Part Status: Superseded to part number 22015
About the Premium Remanufactured Product Line
The Premium Remanufactured line by Remy offers alternators that have been carefully rebuilt to meet or exceed original equipment standards. This ensures reliable performance and durability while providing a cost-effective alternative to new parts. The 22020 alternator benefits from this process, delivering dependable charging capabilities for your vehicle.
Product Details and Compatibility
This Remy alternator 22020 is remanufactured with an internal fan and voltage regulator, designed specifically for 12-volt systems requiring clockwise rotation. It includes the pulley for a straightforward swap. Compatible with a range of GM and Saab vehicles, it fits models such as the Buick Rainier, Cadillac Escalade (including ESV and EXT variants), Chevrolet Avalanche 1500, Silverado 1500 and 2500 HD series, GMC Sierra 1500 through 3500 Classic, Envoy, and Saab 9-7x.
Common Applications and Issues Addressed
- Restores charging system functionality in Buick Rainier and Cadillac Escalade models
- Replaces failing alternators in Chevrolet Silverado 1500 and GMC Sierra 2500 HD vehicles
- Solves battery drain and electrical system warning lights in Saab 9-7x
- Addresses intermittent charging problems in GMC Envoy and Chevrolet Avalanche 1500
- Resolves pulley or rotation-related alternator failures in compatible GM trucks
Installation Notes and Tips
Ensure the alternator rotation direction matches your vehicle’s requirements; this unit rotates clockwise. Verify the amperage rating and voltage regulator type align with your vehicle’s specifications. Since the pulley is included, it can be installed without additional pulley replacement. Always disconnect the battery before installation to prevent electrical shorts.
Quality Assurance and Warranty
Remy’s Premium Remanufactured alternators undergo rigorous testing to meet OEM standards. This part is remanufactured by Delco/Delphi, ensuring compatibility and reliability. The part number 22020 is superseded to 22015, so verify fitment with your vehicle’s requirements. Warranty coverage details should be confirmed with the parts provider.
| Brand | Remy |
| Part Number | 22020 |
| Position | Premium Remanufactured |
| Amperage Rating | 145 |
| Fan Type | Internal |
| New or Remanufactured | Remanufactured |
| OE Manufacturer | Delco/delphi |
| Part Status | Superseded to 22015 |
| Pulley Included | Yes |
| Rotation Direction | Clockwise |
| Voltage (V) | 12 |
| Voltage Regulator Type | Internal |
This part fits 63 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Chevrolet | Trailblazer | 5.3L | V8 | N/A | 145 Amps; Superseded; Premium Remanufactured | |
| 2009 | GMC | Envoy | 5.3L | V8 | N/A | 145 Amps; Superseded; Premium Remanufactured | |
| 2009 | Saab | 9-7x | 5.3L | V8 | N/A | 145 Amps; Superseded; Premium Remanufactured | |
| 2008 | Chevrolet | Trailblazer | 5.3L | V8 | N/A | 145 Amps; Superseded; Premium Remanufactured | |
| 2008 | GMC | Envoy | 5.3L | V8 | N/A | 145 Amps; Superseded; Premium Remanufactured | |
| 2008 | Saab | 9-7x | 5.3L | V8 | N/A | 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | Buick | Rainier | 5.3L | V8 | N/A | 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | Chevrolet | Silverado 1500 Classic | 4.8L | V8 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | Chevrolet | Silverado 1500 Classic | 5.3L | V8 | GAS | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured |
| 2007 | Chevrolet | Silverado 1500 Classic | 4.3L | V6 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | Chevrolet | Silverado 1500 Classic | 5.3L | V8 | FLEX | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured |
| 2007 | Chevrolet | Silverado 1500 Classic | 6.0L | V8 | N/A | w/2-Pin Alt Plug; Std; 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | Chevrolet | Silverado 1500 HD Classic | 6.0L | V8 | N/A | w/2-Pin Alt Plug; Std; 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | 6.0L | V8 | N/A | w/2-Pin Alt Plug; Std; 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | Chevrolet | Silverado 3500 Classic | 6.0L | V8 | N/A | w/2-Pin Alt Plug; Std; 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | Chevrolet | Trailblazer | 5.3L | V8 | N/A | 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | GMC | Envoy | 5.3L | V8 | N/A | 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | GMC | Sierra 1500 Classic | 5.3L | V8 | FLEX | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured |
| 2007 | GMC | Sierra 1500 Classic | 4.8L | V8 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | GMC | Sierra 1500 Classic | 6.0L | V8 | N/A | w/2-Pin Alt Plug; Std; 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | GMC | Sierra 1500 Classic | 4.3L | V6 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | GMC | Sierra 1500 Classic | 5.3L | V8 | GAS | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured |
| 2007 | GMC | Sierra 1500 HD Classic | 6.0L | V8 | N/A | w/2-Pin Alt Plug; Std; 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | GMC | Sierra 2500 HD Classic | 6.0L | V8 | N/A | w/2-Pin Alt Plug; Std; 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | GMC | Sierra 3500 Classic | 6.0L | V8 | N/A | w/2-Pin Alt Plug; Std; 145 Amps; Superseded; Premium Remanufactured | |
| 2007 | Saab | 9-7x | 5.3L | V8 | N/A | 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | Cadillac | Escalade | 6.0L | V8 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | Cadillac | Escalade ESV | 6.0L | V8 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | Cadillac | Escalade EXT | 6.0L | V8 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | Chevrolet | Avalanche 1500 | 5.3L | V8 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | Chevrolet | Silverado 1500 | 4.8L | V8 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | Chevrolet | Silverado 1500 | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | Chevrolet | Silverado 1500 | 5.3L | V8 | GAS | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured |
| 2006 | Chevrolet | Silverado 1500 | 5.3L | V8 | FLEX | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured |
| 2006 | Chevrolet | Silverado 1500 HD | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | Chevrolet | Silverado 2500 HD | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | Chevrolet | Silverado 3500 | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | GMC | Sierra 1500 | 4.3L | V6 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | GMC | Sierra 1500 | 4.8L | V8 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | GMC | Sierra 1500 | 5.3L | V8 | FLEX | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured |
| 2006 | GMC | Sierra 1500 | 5.3L | V8 | GAS | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured |
| 2006 | GMC | Sierra 1500 | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | GMC | Sierra 1500 HD | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | GMC | Sierra 2500 HD | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; Premium Remanufactured | |
| 2006 | GMC | Sierra 3500 | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; Premium Remanufactured | |
| 2005 | Chevrolet | Avalanche 1500 | 5.3L | V8 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2005 | Chevrolet | Silverado 1500 | 4.8L | V8 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2005 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2005 | Chevrolet | Silverado 1500 | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; Premium Remanufactured | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L | V8 | GAS | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured |
| 2005 | Chevrolet | Silverado 1500 | 5.3L | V8 | FLEX | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured |
| 2005 | Chevrolet | Silverado 1500 HD | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; Premium Remanufactured | |
| 2005 | Chevrolet | Silverado 2500 HD | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; Premium Remanufactured | |
| 2005 | Chevrolet | Silverado 3500 | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; Premium Remanufactured | |
| 2005 | GMC | Sierra 1500 | 4.3L | V6 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2005 | GMC | Sierra 1500 | 4.8L | V8 | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured | |
| 2005 | GMC | Sierra 1500 | 5.3L | V8 | FLEX | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured |
| 2005 | GMC | Sierra 1500 | 5.3L | V8 | GAS | N/A | Delco Unit; 145 Amps; Superseded; Premium Remanufactured |
| 2005 | GMC | Sierra 1500 | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; Premium Remanufactured | |
| 2005 | GMC | Sierra 1500 HD | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; Premium Remanufactured | |
| 2005 | GMC | Sierra 2500 HD | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; Premium Remanufactured | |
| 2005 | GMC | Sierra 3500 | 6.0L | V8 | N/A | Delco Unit; w/2-Pin Alt Plug; 145 Amps; Superseded; 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.