MPA Electrical 3631SN Starter Motor

Reliable Direct Drive Starter for Classic GM and Jeep Vehicles

The MPA Electrical New 3631SN starter is engineered to provide dependable starting power for a range of classic and late-model vehicles. Designed with a direct drive mechanism and a 1.5 kW rating, this 12-volt starter ensures consistent performance for your Buick, Chevrolet, Cadillac, Jeep, Oldsmobile, and Pontiac models.

• Direct drive design for efficient power transfer
• 1.5 kW power rating suitable for various engine sizes
• Clockwise rotation with 9 teeth for precise engagement
• Compatible with 12-volt electrical systems
• Manufactured by Delco for trusted quality

Product Features and Specifications

The MPA Electrical New 3631SN starter features a direct drive design, which simplifies the engagement process by directly connecting the starter motor to the engine’s flywheel. This design reduces mechanical complexity and improves reliability. With a 1.5 kW power rating, it delivers sufficient torque to start engines commonly found in vehicles like the Chevrolet Camaro, Buick Regal, and Jeep Wagoneer. The clockwise rotation and 9-tooth pinion gear ensure proper meshing with the flywheel, minimizing wear and enhancing durability. Operating on a standard 12-volt system, this starter is compatible with a wide range of GM and Jeep vehicles.

Compatible Vehicles and Applications

• Buick models including Century, LeSabre, and Skylark
• Cadillac DeVille, Eldorado, and Fleetwood
• Chevrolet Camaro, Caprice, Impala, Monte Carlo, and Nova
• Jeep Wagoneer and Commercial Chassis
• Oldsmobile Cutlass, 88, and 98 series
• Pontiac Bonneville, Catalina, and LeMans

Installation Notes and Tips

• Ensure battery voltage is 12 volts before installation
• Verify clockwise rotation matches your vehicle’s engine requirements
• Check the pinion gear teeth count (9 teeth) for compatibility with your flywheel
• Inspect mounting points and electrical connections for corrosion or damage
• Follow manufacturer torque specifications when securing the starter

Quality Assurance and Brand Line Information

The MPA Electrical New product line focuses on delivering reliable replacement components that meet or exceed OEM standards. The 3631SN starter is manufactured by Delco, a recognized name in automotive electrical parts, ensuring consistent quality and performance. This starter is built to provide long service life and dependable starting power for your vehicle. While no specific warranty details are provided, MPA Electrical products typically adhere to industry quality controls and testing protocols.