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MPA Electrical 8290603N Alternator
Reliable 150 Amp Alternator for Buick, Chevrolet, GMC, and More
The MPA Electrical New alternator, part number 8290603N, is designed to provide consistent 12-volt electrical power for a range of vehicles including Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models. Engineered with an internal fan and regulator, this alternator supports efficient charging and reliable starting performance.
- 150 amps output for stable electrical supply
- 12 volts system compatibility
- Internal fan for effective cooling
- Internal voltage regulator for consistent performance
- 6 groove serpentine pulley design
- Clockwise rotation at 4:00 clock position
- Delco manufacturer components for durability
Detailed Alternator Features and Specifications
This MPA Electrical New alternator (part number 8290603N) delivers 150 amps of power, suitable for vehicles requiring a robust charging system. It operates on a 12-volt electrical system and features an internal fan that helps maintain optimal operating temperatures during extended use. The internal voltage regulator ensures steady voltage output, protecting your vehicle’s electrical components. The 6 groove serpentine pulley is designed for compatibility with modern belt systems, while the clockwise rotation and 4:00 clock position facilitate proper fitment in specified engine bays.
Compatible Vehicles and Applications
This alternator is compatible with several GM and related makes, including Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab. It fits models such as the Saab 9-7x, Isuzu Ascender, GMC Bravada, GMC Envoy (including Envoy XL and Envoy XUV), GMC Rainier, and Chevrolet Trailblazer (including Trailblazer EXT). This part number 8290603N is ideal for replacing worn or failing alternators in these vehicles to restore reliable charging and electrical system performance.
- Restores charging system functionality in Buick, Chevrolet, GMC, and related models
- Resolves dimming or flickering headlights
- Fixes battery warning light issues
- Eliminates battery drain and starting problems
- Prevents electrical system failures due to alternator malfunction
Installation Notes and Tips
When installing the MPA Electrical New alternator 8290603N, ensure the serpentine belt is properly aligned with the 6 groove pulley. Verify the clockwise rotation and 4:00 clock position match the vehicle’s original alternator orientation. It is recommended to disconnect the battery before installation to avoid electrical shorts. Check all electrical connections and mounting points for secure fitment to maintain optimal performance.
Quality Assurance and Warranty
MPA Electrical’s New product line includes alternators built with quality components from Delco, ensuring durability and reliable operation. This alternator undergoes rigorous testing to meet OEM standards. While specific warranty details are not provided here, MPA Electrical products typically come with manufacturer-backed warranties to protect against defects and ensure customer confidence.
| Brand | MPA Electrical |
| Part Number | 8290603N |
| Position | New |
| Amps | 150 Amps |
| Clock | 4:00 |
| Fan | Internal |
| Manufacturer | Delco |
| Pulley | 6 Groove Serpentine |
| Regulator | Internal |
| Rotation | Clockwise |
| Volts | 12 Volts |
This part fits 34 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Buick | Rainier | 4.2L | L6 | N/A | New |
| 2006 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | New |
| 2006 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | New |
| 2006 | GMC | Envoy | 4.2L | L6 | N/A | New |
| 2006 | GMC | Envoy XL | 4.2L | L6 | N/A | New |
| 2006 | Isuzu | Ascender | 4.2L | L6 | N/A | New |
| 2006 | Saab | 9-7x | 4.2L | L6 | N/A | New |
| 2005 | Buick | Rainier | 4.2L | L6 | N/A | New |
| 2005 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | New |
| 2005 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | New |
| 2005 | GMC | Envoy | 4.2L | L6 | N/A | New |
| 2005 | GMC | Envoy XL | 4.2L | L6 | N/A | New |
| 2005 | GMC | Envoy XUV | 4.2L | L6 | N/A | New |
| 2005 | Isuzu | Ascender | 4.2L | L6 | N/A | New |
| 2005 | Saab | 9-7x | 4.2L | L6 | N/A | New |
| 2004 | Buick | Rainier | 4.2L | L6 | N/A | New |
| 2004 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | New |
| 2004 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | New |
| 2004 | GMC | Envoy | 4.2L | L6 | N/A | New |
| 2004 | GMC | Envoy XL | 4.2L | L6 | N/A | New |
| 2004 | GMC | Envoy XUV | 4.2L | L6 | N/A | New |
| 2004 | Isuzu | Ascender | 4.2L | L6 | N/A | New |
| 2004 | Oldsmobile | Bravada | 4.2L | L6 | N/A | New |
| 2003 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | New |
| 2003 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | New |
| 2003 | GMC | Envoy | 4.2L | L6 | N/A | New |
| 2003 | GMC | Envoy XL | 4.2L | L6 | N/A | New |
| 2003 | Isuzu | Ascender | 4.2L | L6 | N/A | New |
| 2003 | Oldsmobile | Bravada | 4.2L | L6 | N/A | New |
| 2002 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | New |
| 2002 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | New |
| 2002 | GMC | Envoy | 4.2L | L6 | N/A | New |
| 2002 | GMC | Envoy XL | 4.2L | L6 | N/A | New |
| 2002 | Oldsmobile | Bravada | 4.2L | L6 | N/A | New |
* 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.