MPA Electrical 6418MS Starter Motor

Remanufactured Starter for GM V8 Applications

The MPA Electrical 6418MS is a remanufactured 12-volt starter built for direct-drive operation with a 1.6 kW rating. It uses a clockwise rotation and a 9-tooth drive, making it a fitment-focused replacement for select GM vehicles that use a Delco-style starter design.

Compatible With 1991-1995 Chevrolet Caprice, 1991-1992 Cadillac Brougham, 1991-1992 Chevrolet Camaro, 1991-1992 Chevrolet Commercial Chassis, 1991-1992 Oldsmobile Custom Cruiser, 1991-1992 Pontiac Firebird, and 1991 Buick Roadmaster. This part number, 6418MS, is also referenced for related applications under AMS Automotive 6418.

Key Features

• Remanufactured starter for electrical, charging, and starting service
• Direct drive design for Delco-style applications
• 1.6 kW output rating
• 12-volt electrical system
• Clockwise rotation
• 9-tooth drive configuration
• Cross-reference part numbers include 10455012 and 10465435

Application Details

This starter is built around the specifications commonly required on late GM rear-wheel-drive and F-body platforms. It is a direct-drive unit with Delco manufacturer identification, which helps match the original starter architecture used on the listed Chevrolet, Cadillac, Oldsmobile, and Pontiac vehicles. If you are sourcing a replacement starter for a 1991-1995 Chevrolet Caprice or a 1991-1992 Pontiac Firebird, 6418MS provides the core electrical and drive specifications needed for a proper match.

What It Helps Solve

• Engine no-crank conditions caused by starter failure
• Slow or weak cranking from worn starter internals
• Intermittent starter engagement issues
• Incorrect replacement selection for Delco-style GM starter applications
• Starting problems on 12-volt vehicles with a 9-tooth clockwise starter setup

Installation Notes and Tips

Verify the starter mounting style, rotation, tooth count, and electrical system before installation. Confirm the vehicle’s original starter specification against the listed fitment for 1991-1995 Chevrolet Caprice, 1991-1992 Chevrolet Camaro, and the other supported models. Check battery condition, cable integrity, and ground connections during diagnosis so the replacement starter is installed into a sound starting system.

Quality Assurance

MPA Electrical remanufactured starters are rebuilt for service replacement use and are identified here by the 6418MS part number. This unit follows the listed Delco-based design and application specifications for the covered GM vehicles.