MPA Electrical 6485MS Starter Motor

Remanufactured Starter for GM V6 Applications

The MPA Electrical 6485MS is a remanufactured 12-volt starter built with a permanent magnet gear reduction design and a 1.5 kW rating. It uses an 11-tooth, clockwise rotation configuration and is listed for a wide range of Chevrolet, GMC, Oldsmobile, and Isuzu applications from 1999-2005.

Key Features

• Remanufactured starter from MPA Electrical
• Permanent magnet gear reduction design
• 1.5 kW output rating
• 12-volt electrical system
• Clockwise rotation
• 11-tooth drive
• Delco manufacturer specification
• Part number 6485MS

Fitment and Cross-Reference

Compatible with 2000-2005 Chevrolet Express 1500, N/A; 2004 Chevrolet Astro, N/A; 2004 Chevrolet Blazer, N/A; 2004 Chevrolet Express 1500, N/A; 2004 Chevrolet Express 2500, N/A; 2004 Chevrolet S10, N/A; 2004 Chevrolet Silverado 1500, N/A; 2004 GMC Jimmy, N/A; 2004 GMC Safari, N/A; 2004 GMC Savana 1500, N/A; 2004 GMC Savana 2500, N/A; 2004 GMC Sierra 1500, N/A; 2004 GMC Sonoma, N/A; 1999-2003 Chevrolet Astro, N/A; 1999-2003 Chevrolet Blazer, N/A; 2001-2003 Chevrolet Express 2500, N/A; 1999-2003 Chevrolet S10, N/A; 1999-2003 Chevrolet Silverado 1500, N/A; 1999-2003 GMC Jimmy, N/A; 1999-2003 GMC Safari, N/A; 2001-2003 GMC Savana 1500, N/A; 2001-2003 GMC Savana 2500, N/A; 1999-2003 GMC Sierra 1500, N/A; 1999-2003 GMC Sonoma, N/A; 1999-2002 Chevrolet C1500, N/A; 2001-2002 Chevrolet G30, N/A; 2000-2002 GMC Savana 3500, N/A; 1999-2001 Oldsmobile Bravada, N/A; 1999-2000 Chevrolet Express 1500, N/A; 1999-2000 Chevrolet Express 2500, N/A; 1999-2000 GMC Savana 1500, N/A; 1999-2000 GMC Savana 2500, N/A; 1999-2000 Isuzu Hombre, N/A.

This part cross-references AMS Automotive 6485 for the same application.

What This Starter Helps Address

• Slow or no-crank starting on GM trucks and vans
• Intermittent starter engagement
• Grinding or clicking during engine start
• Electrical starting issues tied to worn internal starter components
• Replacement needs for an 11-tooth Delco-style starter setup

Installation Notes and Tips

Verify the vehicle’s original starter configuration before ordering, especially on 2004 models with first-production or optional PMGR starter notes. Confirm 12-volt system requirements, clockwise rotation, and 11-tooth drive match the original unit. Use the vehicle identification details and existing starter tag information to confirm fitment for Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet S10, and related applications.

Quality Assurance

MPA Electrical remanufactured starters are rebuilt to meet application-specific electrical and mechanical requirements for direct replacement use. The 6485MS follows Delco-based specifications for the listed GM applications and is intended for dependable starting performance in compatible vehicles.