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MPA Electrical 7890611 Alternator
Overview of MPA Electrical Remanufactured Alternator 7890611
The MPA Electrical Remanufactured Alternator 7890611 is designed to provide reliable electrical charging for Chevrolet and GMC heavy-duty vehicles. This alternator delivers 105 amps of power and is engineered to meet the specific requirements of models such as the Chevrolet P30, GMC R2500, and their Suburban variants.
- Output: 105 amps at 12 volts
- Rotation: Clockwise at 11:00 clock position
- External fan for efficient cooling
- 6 groove serpentine pulley for belt compatibility
- Internal voltage regulator for stable power delivery
- Manufacturer: Delco
Remanufactured Product Line Details
The Remanufactured line from MPA Electrical offers alternators that have been restored to meet original equipment specifications. This process includes thorough inspection, replacement of worn components, and testing to ensure consistent performance. The 7890611 alternator benefits from this process, providing a cost-effective alternative to new units while maintaining quality and reliability for Chevrolet and GMC vehicles.
Technical Description and Features
This alternator features a 105-amp output suitable for demanding electrical systems in Chevrolet and GMC trucks and Suburban models. The external fan design helps maintain optimal operating temperatures, reducing the risk of overheating during extended use. The 6 groove serpentine pulley ensures compatibility with factory belt systems, while the internal voltage regulator maintains consistent voltage output to protect vehicle electronics. The clockwise rotation and 11:00 clock position mounting align with original equipment specifications for a direct replacement.
Compatible Vehicles and Applications
- Chevrolet P30 and P3500
- Chevrolet R20, R30, and R2500 including Suburban models
- GMC R20, R2500, R3500, and V20, V30, V3500 Suburban models
This alternator is ideal for restoring charging system functionality in these specific heavy-duty Chevrolet and GMC vehicles.
Common Issues Addressed by Alternator 7890611
- Battery not charging or losing charge quickly
- Dimming or flickering vehicle lights
- Electrical system warning lights on the dashboard
- Unusual noises from the alternator area
- Intermittent power loss or vehicle stalling
Installation Notes and Tips
Ensure the vehicle battery is disconnected before beginning installation to prevent electrical shorts. Verify the alternator’s rotation and mounting position match the original unit. Use proper torque specifications for pulley and mounting bolts. Inspect serpentine belt condition and replace if worn to ensure optimal performance. After installation, test the charging system voltage to confirm correct operation.
Quality Assurance and Warranty
MPA Electrical’s Remanufactured alternators undergo comprehensive testing to meet OEM standards. The 7890611 alternator includes an internal voltage regulator and is built with Delco components to ensure durability. Warranty coverage details should be confirmed with the distributor or installer, as terms may vary.
| Brand | MPA Electrical |
| Part Number | 7890611 |
| Position | Remanufactured |
| Amps | 105 Amps |
| Clock | 11:00 |
| Fan | External |
| Manufacturer | Delco |
| Pulley | 6 Groove Serpentine |
| Regulator | Internal |
| Rotation | Clockwise |
| Volts | 12 Volts |
This part fits 27 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | Chevrolet | P30 | 7.4L | V8 | N/A | P42, 52, 62 Chassis, Standard, w/ 105 amp alt.; Remanufactured |
| 1993 | GMC | P3500 | 7.4L | V8 | N/A | P42, 52, 62 Chassis, Standard, w/ 105 amp alt; Remanufactured |
| 1992 | Chevrolet | P30 | 7.4L | V8 | N/A | P42, 52, 62 Chassis, Standard, w/ 105 amp alt.; Remanufactured |
| 1992 | GMC | P3500 | 7.4L | V8 | N/A | P42, 52, 62 Chassis, Standard, w/ 105 amp alt; Remanufactured |
| 1991 | Chevrolet | P30 | 7.4L | V8 | N/A | P42, 52, 62 Chassis, Standard, w/ 105 amp alt.; Remanufactured |
| 1991 | Chevrolet | R3500 | 7.4L | V8 | N/A | Fits vehicles with air conditioning.; Remanufactured |
| 1991 | Chevrolet | V3500 | 7.4L | V8 | N/A | Fits vehicles with air conditioning.; Remanufactured |
| 1991 | GMC | P3500 | 7.4L | V8 | N/A | P42, 52, 62 Chassis, Standard, w/ 105 amp alt; Remanufactured |
| 1991 | GMC | R3500 | 7.4L | V8 | N/A | Standard, w/ 105 amp alt.; Remanufactured |
| 1991 | GMC | V3500 | 7.4L | V8 | N/A | Standard, w/ 105 amp alt.; Remanufactured |
| 1990 | Chevrolet | P30 | 7.4L | V8 | N/A | P42, 52, 62 Chassis, Standard, w/ 105 amp alt; Remanufactured |
| 1990 | GMC | P3500 | 7.4L | V8 | N/A | P42, 52, 62 Chassis, Standard, w/ 105 amp alt; Remanufactured |
| 1989 | Chevrolet | P30 | 7.4L | V8 | N/A | P42 Chassis, Standard, w/ 105 amp alt.; Remanufactured |
| 1989 | GMC | P3500 | 7.4L | V8 | N/A | P42 Chassis, Standard, w/ 105 amp alt.; Remanufactured |
| 1988 | Chevrolet | P30 | 7.4L | V8 | N/A | Fits vehicles equipped with a 105 amp alternator.; Remanufactured |
| 1988 | Chevrolet | R20 | 7.4L | V8 | N/A | Fits vehicles equipped with a 105 amp alternator.; Remanufactured |
| 1988 | Chevrolet | R20 Suburban | 7.4L | V8 | N/A | Fits vehicles equipped with a 105 amp alternator.; Remanufactured |
| 1988 | Chevrolet | R30 | 7.4L | V8 | N/A | Fits vehicles equipped with a 105 amp alternator.; Remanufactured |
| 1988 | Chevrolet | V20 Suburban | 7.4L | V8 | N/A | Fits vehicles equipped with a 105 amp alternator.; Remanufactured |
| 1988 | Chevrolet | V30 | 7.4L | V8 | N/A | Fits vehicles equipped with a 105 amp alternator.; Remanufactured |
| 1988 | GMC | P3500 | 7.4L | V8 | N/A | Standard, w/ 105 amp alt.; Remanufactured |
| 1988 | GMC | R2500 | 7.4L | V8 | N/A | Fits vehicles equipped with a 105 amp alternator.; Remanufactured |
| 1988 | GMC | R2500 Suburban | 7.4L | V8 | N/A | Fits vehicles equipped with a 105 amp alternator.; Remanufactured |
| 1988 | GMC | R3500 | 7.4L | V8 | N/A | Fits vehicles equipped with a 105 amp alternator.; Remanufactured |
| 1988 | GMC | V3500 | 7.4L | V8 | N/A | Fits vehicles equipped with a 105 amp alternator.; Remanufactured |
| 1987 | Chevrolet | P30 | 7.4L | V8 | N/A | Fits vehicles equipped with a 105 amp alternator.; Remanufactured |
| 1987 | GMC | P3500 | 7.4L | V8 | N/A | Standard, w/ 105 amp alt.; 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.