MPA Electrical 6490S Starter Motor

Starter for Trailblazer, Envoy, and Bravada

MPA Electrical 6490S is a remanufactured 12-volt starter built for select Chevrolet, GMC, Isuzu, and Oldsmobile applications. It uses a permanent magnet gear reduction design with a 1.6 kW rating and clockwise rotation for dependable cranking performance.

This starter is a direct-fit option for 2002-2003 Chevrolet Trailblazer and Trailblazer EXT, 2002-2003 GMC Envoy and Envoy XL, 2003 Isuzu Ascender, and 2002-2003 Oldsmobile Bravada. The MPA Electrical remanufactured line focuses on restoring starter function to OE-style specifications for starting-system service.

• Part number: 6490S
• 12 volts with 1.6 kW output
• Permanent magnet gear reduction design
• Clockwise rotation
• 11-tooth drive configuration
• Manufacturer reference: Delco

Detailed Product Overview

MPA Electrical 6490S is a remanufactured starter for vehicles using the Delco-style starting system. The permanent magnet gear reduction design helps deliver strong cranking performance in a compact starter layout, while the 11-tooth drive and clockwise rotation match the listed applications. If you are replacing a worn starter on a Chevrolet Trailblazer, GMC Envoy, or Oldsmobile Bravada, this unit provides a fitment-specific replacement path. This part cross-references BBB Industries 6490 for the same application.

Common Starting Issues It May Address

• Engine no-crank condition
• Slow or weak cranking during startup
• Intermittent starter engagement
• Starter motor wear from repeated use
• Starting-system failure on listed Trailblazer, Envoy, Ascender, or Bravada vehicles

Installation Notes and Tips

Confirm the vehicle’s year, make, model, and starter specifications before installation. Match the 12-volt system, clockwise rotation, 11-tooth drive, and Delco reference to the original unit. Inspect battery condition, cable connections, and related starting-system components during replacement to help isolate the root cause of a no-start complaint.

Quality Assurance

MPA Electrical remanufactured starters are rebuilt for service in OE-style applications and are identified by application-specific specifications for fit and function. Verify interchange and fitment details against the vehicle before ordering.

Compatible Vehicles

• Fits 2002-2003 Chevrolet Trailblazer, N/A
• Fits 2002-2003 Chevrolet Trailblazer EXT, N/A
• Fits 2002-2003 GMC Envoy, N/A
• Fits 2002-2003 GMC Envoy XL, N/A
• Fits 2003 Isuzu Ascender, N/A
• Fits 2002-2003 Oldsmobile Bravada, N/A