MPA Electrical 7278109 Alternator

Reliable Alternator for Chevrolet and GMC Trucks

The MPA Electrical Remanufactured Alternator 7278109 is designed to provide consistent 12-volt electrical output for Chevrolet and GMC trucks. Engineered to meet the demands of models like the S10, S10 Blazer, S15, and S15 Jimmy, this alternator ensures your vehicle's charging system operates efficiently.

• 66 amps output for stable electrical performance
• External fan design for effective cooling
• Internal voltage regulator for simplified installation
• Clockwise rotation with a 9:00 clock position
• 1 groove V-belt pulley compatible with original equipment
• Delco manufacturer components for durability

About the Remanufactured Product Line

The Remanufactured line from MPA Electrical offers alternators rebuilt to meet original equipment specifications. This process includes thorough inspection, replacement of worn parts, and testing to ensure reliable operation. The 7278109 alternator benefits from this quality-focused remanufacturing, providing a cost-effective alternative to new units without compromising performance.

Technical Details and Compatibility

This alternator delivers 66 amps at 12 volts, suitable for the electrical demands of Chevrolet S10, S10 Blazer, GMC S15, and S15 Jimmy models. It features an external fan to maintain optimal operating temperature and an internal voltage regulator to maintain consistent voltage output. The pulley is designed with a single groove V-belt configuration, matching factory specifications for straightforward replacement. Rotation is clockwise with the mounting clock position at 9:00, ensuring proper fitment and alignment.

Common Applications and Problem Resolution

• Restores charging system functionality in Chevrolet S10 and GMC S15 trucks
• Replaces alternators with worn or damaged internal regulators
• Addresses overheating issues caused by inefficient cooling fans
• Fixes electrical failures due to pulley or rotation mismatches
• Resolves battery drain problems linked to faulty alternators

Installation Notes and Tips

Before installation, verify the alternator's clock position and pulley type to ensure compatibility with your vehicle. Disconnect the battery to prevent electrical shorts during replacement. The internal voltage regulator simplifies wiring connections, but confirm all electrical connectors match your vehicle's harness. Proper belt tension on the 1 groove V-belt pulley is essential for optimal alternator performance.

Quality Assurance and Warranty

MPA Electrical's Remanufactured alternators undergo comprehensive testing to meet industry standards. The 7278109 alternator includes quality checks for amperage output, voltage regulation, and mechanical integrity. Warranty coverage details should be confirmed with the distributor or installer to ensure protection against defects.