MPA Electrical 6643S Starter Motor

Remanufactured Starter for Ford and Mercury Applications

MPA Electrical 6643S is a remanufactured 12-volt starter built for specific Ford, Mercury, and Lincoln applications. It uses a permanent magnet gear reduction design with a 1.5 kW rating and counterclockwise rotation for the listed vehicle fitments.

This starter is a direct-fit replacement for 2001-2005 Ford Taurus, 2001-2005 Mercury Sable, 2002 Lincoln Continental, and 2000-2001 Ford Sable applications. The MPA Electrical remanufactured line focuses on restoring starter performance to OE-style specifications for starting-system service.

Key Features

• Remanufactured starter for electrical, charging, and starting system repair
• Permanent magnet gear reduction design for compact, efficient cranking
• 1.5 kW rating
• 12-volt electrical system
• Counterclockwise rotation
• 22-tooth drive configuration
• Fits select Ford Taurus, Mercury Sable, and Lincoln Continental applications
• Part number 6643S for accurate ordering and lookup

Detailed Description

MPA Electrical 6643S is a remanufactured starter engineered for the listed Ford-family vehicles with the correct 12-volt, counterclockwise, permanent magnet gear reduction setup. The 22-tooth drive and 1.5 kW output align with the specified starting-system requirements for these applications. Use this starter when servicing a Ford Taurus starter, Mercury Sable starter, or Lincoln Continental starter application that matches the cataloged fitment.

This part cross-references AMS Automotive 6643 for the same application. It also references OE-style numbers including 1F1U-11000-AA and 1F1Z-11002-AA for fitment verification during parts lookup.

What This Starter Helps Resolve

• Engine no-crank condition
• Slow or weak cranking during startup
• Intermittent starter engagement
• Starter motor failure from wear or electrical breakdown
• Starting-system issues on listed Ford, Mercury, and Lincoln vehicles

Installation Notes and Tips

Verify the vehicle year, make, model, and starter specifications before installation. Confirm 12-volt system requirements, counterclockwise rotation, and 22-tooth drive match the original unit. Inspect battery condition, cables, terminals, and related starting-system components during replacement to help isolate the root cause of the no-start condition.

Compatible fitment includes: Fits 2001-2005 Ford Taurus, N/A; Fits 2001-2005 Mercury Sable, N/A; Fits 2002 Lincoln Continental, N/A; Fits 2000-2001 Ford Sable, N/A.

Quality Assurance

MPA Electrical remanufactured starters are processed to support dependable replacement performance for the specified applications. Part number 6643S should be matched to the vehicle’s original starter configuration before installation.