MPA Electrical 6431S Starter

Remanufactured Starter for OE-Style Replacement

MPA Electrical 6431S is a remanufactured 12-volt starter built to match OE fit, form, and function for select GM applications. It uses a permanent magnet gear reduction design with a Delco family configuration, making it a direct replacement choice for vehicles that need reliable cranking performance.

Compatible with 1991-1994 Buick Park Avenue, 1992-1994 Pontiac Bonneville, and 1992-1993 Oldsmobile 98, this starter is built for the specific mounting and rotation requirements of those applications. The 6431S part number is also referenced by 9000776 and 10465066 for the same application.

Key Features

• 12.0-volt starter for select GM passenger cars
• Permanent magnet gear reduction design for efficient starting performance
• Delco family configuration
• Clockwise (right) starter rotation
• 9-tooth drive
• Pad mounting type
• Remanufactured in TS16949 certified facilities

Product Details

MPA Electrical’s Remanufactured line focuses on OE-style replacement parts rebuilt to meet industry quality standards. This starter is remanufactured to preserve the original fit and operating characteristics expected in Buick Park Avenue, Pontiac Bonneville, and Oldsmobile 98 applications, while using a permanent magnet gear reduction layout for compact packaging and dependable engagement. The 6431S is a practical replacement when the original starter no longer cranks consistently or fails to engage properly.

Common Issues This Starter Can Address

• No-crank condition when the ignition is turned
• Slow or weak engine cranking
• Intermittent starter engagement
• Grinding or improper drive engagement related to starter wear
• Electrical starting failure caused by a worn remanufactured unit

Installation Notes and Tips

Verify the vehicle’s original starter configuration before installation, including 12-volt system requirements, clockwise rotation, 9-tooth drive, and pad mount style. Confirm fitment against the vehicle’s year, make, and model before replacing the starter on a 1991-1994 Buick Park Avenue, 1992-1994 Pontiac Bonneville, or 1992-1993 Oldsmobile 98. Inspect battery condition, cable integrity, and charging system output during diagnosis to avoid replacing a starter for a separate electrical fault.

Quality Assurance

This remanufactured starter is rebuilt in TS16949 certified facilities, a recognized benchmark for automotive manufacturing quality control. MPA Electrical 6431S is produced to support OE-style replacement needs for GM starting systems.