MPA Electrical 6784SN Starter Motor

Starter for GM 3.5L and 3.9L Applications

MPA Electrical 6784SN is a 12-volt starter built with a permanent magnet gear reduction design and a 1.4 kW rating. It uses clockwise rotation and a 9-tooth drive, making it a direct replacement option for select Chevrolet, Buick, Pontiac, and Saturn vehicles.

Use this starter when you need a replacement for GM applications such as the Chevrolet Uplander, Buick Terraza, Saturn Relay, Chevrolet Monte Carlo, or Pontiac Montana. The MPA Electrical 6784SN is built around Delco-style specifications for straightforward OE-style service.

Key Features

• Permanent magnet gear reduction starter design
• 1.4 kW output for 12-volt starting systems
• Clockwise rotation
• 9-tooth drive configuration
• Delco manufacturer reference
• MPA Electrical part number 6784SN

Detailed Description

This starter is specified for select GM minivan and passenger car applications, including Fits 2006-2009 Chevrolet Uplander, N/A; Fits 2006-2007 Buick Terraza, N/A; Fits 2006-2007 Saturn Relay, N/A; Fits 2006 Chevrolet Monte Carlo, N/A; and Fits 2006 Pontiac Montana, N/A. If you are searching for a starter for a 2006-2009 Chevrolet Uplander or a 2006-2007 Buick Terraza, part number 6784SN matches the listed fitment and electrical specifications.

The permanent magnet gear reduction layout helps package the starter efficiently while maintaining the 12-volt, 1.4 kW operating profile. The 9-tooth drive and clockwise rotation are important match points when replacing the original unit on these GM platforms.

Common Replacement Reasons

• Engine cranks slowly or inconsistently
• Starter clicks but does not engage
• No-crank condition with a charged battery
• Starter drive or internal motor wear
• Replacement for a failed OE-style Delco starter

Installation Notes and Tips

Verify the original starter’s rotation, tooth count, voltage, and mounting style before installation. Confirm vehicle fitment by year and model, especially on Chevrolet Uplander, Buick Terraza, Saturn Relay, Chevrolet Monte Carlo, and Pontiac Montana applications. Compare the removed unit to MPA Electrical 6784SN to confirm electrical and drive specifications before final installation.

Quality Assurance

MPA Electrical supplies new electrical components for starting and charging service. This starter is built to the listed Delco-style specifications for the confirmed applications above.