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MPA Electrical 7946603N Alternator
Reliable 100 Amp Alternator for Buick, Chevrolet, Oldsmobile, and Pontiac
The MPA Electrical New alternator part number 7946603N is designed to provide consistent 12-volt electrical output for select GM vehicles. Engineered with a Delco manufacturer core, this alternator supports models such as the Buick Regal, Chevrolet Lumina, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix.
- 100 amps output for stable electrical performance
- 12 volts system compatibility
- External fan for efficient cooling
- 6 groove serpentine pulley for proper belt alignment
- Internal voltage regulator for simplified installation
- Clockwise rotation matching OEM specifications
- Delco manufactured core ensuring durability
MPA Electrical New Product Line Overview
The New product line from MPA Electrical focuses on delivering alternators that meet or exceed original equipment standards. This line emphasizes compatibility and reliability, making it suitable for replacement in various GM vehicles. The 7946603N alternator is part of this line, offering a balance of performance and fitment precision for Buick, Chevrolet, Oldsmobile, and Pontiac models.
Detailed Alternator Features and Specifications
This alternator operates at 100 amps, providing sufficient power for the electrical demands of vehicles like the Chevrolet Lumina and Pontiac Grand Prix. It features a 12-volt system voltage and an external fan design to maintain optimal operating temperatures. The 6 groove serpentine pulley ensures proper belt engagement, reducing slippage and wear. An internal voltage regulator simplifies installation and reduces the need for additional components. The clockwise rotation matches factory specifications, ensuring seamless integration with the engine's drive system.
Common Applications and Problem Resolution
- Replacement for failing or underperforming alternators in Buick Regal and Oldsmobile Cutlass Supreme
- Resolves issues with battery not charging or electrical system failures
- Addresses overheating problems due to improved external fan cooling
- Fixes belt slippage caused by worn or incompatible pulleys
- Eliminates voltage irregularities with internal regulator design
Installation Notes and Tips
When installing the MPA Electrical 7946603N alternator, ensure the serpentine belt is properly aligned with the 6 groove pulley. Verify the clockwise rotation matches the vehicle’s original alternator to avoid mechanical issues. The internal voltage regulator reduces wiring complexity, but it is recommended to check all electrical connections for corrosion or damage before installation. Always disconnect the battery prior to removal and installation to prevent electrical shorts.
Quality Assurance and Warranty Information
MPA Electrical alternators, including the 7946603N, are manufactured to meet OEM standards with quality-tested components such as the Delco core. This product line undergoes rigorous testing to ensure durability and consistent performance. Warranty details should be confirmed at the point of purchase, as coverage may vary depending on the distributor or retailer.
| Brand | MPA Electrical |
| Part Number | 7946603N |
| Position | New |
| Amps | 100 Amps |
| Clock | 3:00 |
| Fan | External |
| Manufacturer | Delco |
| Pulley | 6 Groove Serpentine |
| Regulator | Internal |
| Rotation | Clockwise |
| Volts | 12 Volts |
This part fits 23 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1994 | Chevrolet | Lumina | 3.1L | V6 | N/A | New |
| 1993 | Buick | Regal | 3.1L | V6 | N/A | New |
| 1993 | Chevrolet | Lumina | 3.1L | V6 | N/A | New |
| 1993 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | N/A | w/ External Fan; New |
| 1993 | Pontiac | Grand Prix | 3.1L | V6 | N/A | New |
| 1992 | Buick | Regal | 3.1L | V6 | N/A | New |
| 1992 | Chevrolet | Lumina | 3.1L | V6 | N/A | New |
| 1992 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | N/A | New |
| 1992 | Pontiac | Grand Prix | 3.1L | V6 | N/A | New |
| 1991 | Buick | Regal | 3.1L | V6 | N/A | New |
| 1991 | Chevrolet | Lumina | 3.1L | V6 | N/A | New |
| 1991 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | N/A | New |
| 1991 | Pontiac | Grand Prix | 3.1L | V6 | N/A | New |
| 1990 | Buick | Regal | 3.1L | V6 | N/A | New |
| 1990 | Chevrolet | Lumina | 3.1L | V6 | N/A | New |
| 1990 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | N/A | New |
| 1990 | Pontiac | Grand Prix | 3.1L | V6 | N/A | New |
| 1989 | Buick | Regal | 3.1L | V6 | N/A | New |
| 1989 | Buick | Regal | 2.8L | V6 | N/A | New |
| 1989 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | N/A | New |
| 1989 | Oldsmobile | Cutlass Supreme | 2.8L | V6 | N/A | New |
| 1989 | Pontiac | Grand Prix | 3.1L | V6 | N/A | New |
| 1989 | Pontiac | Grand Prix | 2.8L | V6 | 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.