MPA Electrical 6785SN Starter Motor

Starter for GM 3.5L and 3.9L Applications

MPA Electrical 6785SN 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-fit replacement for select Buick, Chevrolet, Pontiac, and Saturn applications that use Delco-style starting systems.

Key Features

• Permanent magnet gear reduction starter design
• 1.4 kW output for reliable engine cranking
• 12-volt electrical system
• Clockwise rotation
• 9-tooth drive configuration
• Manufacturer reference: Delco
• Part number: 6785SN

Fitment Details

• Fits 2009-2011 Buick Lucerne, N/A
• Fits 2006-2011 Chevrolet Impala, N/A
• Fits 2007-2009 Pontiac Montana, N/A
• Fits 2006-2007 Chevrolet Monte Carlo, N/A
• Fits 2006 Chevrolet Equinox, N/A
• Fits 2006 Pontiac Torrent, N/A

Product Description

This MPA Electrical starter is specified for vehicles that require a Delco-style, clockwise-rotation unit with a 9-tooth drive and 12-volt operation. The permanent magnet gear reduction layout helps deliver the torque needed for starting while keeping the unit compact for modern GM engine bays. If you are replacing a worn starter on a 2006-2011 Chevrolet Impala, 2009-2011 Buick Lucerne, or other listed GM models, 6785SN provides the core electrical and mechanical specifications needed for the application.

MPA Electrical’s New line identifies this starter as part of its current product offering for starter and related component replacement. For buyers searching by vehicle, this part matches common long-tail queries such as starter for 2006 Chevrolet Equinox, starter for 2006 Pontiac Torrent, and starter for 2007-2009 Pontiac Montana.

Common Problems This Starter Can Address

• Engine cranks slowly or inconsistently
• Starter clicks but does not engage the engine
• No-crank condition caused by a failed starter motor
• Grinding or abnormal engagement from a worn drive gear
• Intermittent starting caused by internal starter wear

Installation Notes and Tips

Confirm the vehicle uses a 12-volt, clockwise starter with a 9-tooth drive before installation. Verify the mounting style, electrical connections, and engine application against the original unit on the vehicle. Because fitment is listed by model and year, compare the removed starter to part number 6785SN and the OE-style specifications before final installation.

Quality Assurance

This starter is built to the listed electrical and mechanical specifications for the application. The Delco manufacturer reference and MPA Electrical New line designation help identify the intended OE-style replacement format for the listed Buick Lucerne, Chevrolet Impala, Chevrolet Monte Carlo, Chevrolet Equinox, Pontiac Montana, and Pontiac Torrent applications.