WAI 6643N Starter

Reliable Starter for Ford and Mercury Vehicles

The WAI 6643N starter is designed to provide dependable starting power for select Ford and Mercury models. Featuring a permanent magnet gear reduction design, this starter ensures efficient operation and durability for your vehicle's electrical system.

• 12-volt electrical system compatibility
• Permanent magnet gear reduction design for improved efficiency
• 1.5 power rating suitable for reliable engine starts
• Counterclockwise (left) starter rotation
• 22-tooth pinion gear for precise engagement
• Pad mounting type for secure installation

Technical Details and Design Features

The WAI 6643N starter is engineered with a permanent magnet gear reduction system, which reduces the overall size and weight while maintaining strong torque output. This design enhances starting performance and reduces strain on the vehicle's battery. The starter features a 1.5 power rating, making it well-suited for the Ford and Mercury Sable and Taurus models. Its counterclockwise rotation and 22-tooth pinion gear ensure proper meshing with the engine flywheel, while the pad mounting type provides a stable and secure fit.

Compatible Vehicles and Applications

This starter is compatible with the following vehicles:

• Ford Sable
• Ford Taurus
• Mercury Sable
• Mercury Taurus

It is designed specifically for these models to ensure proper fit and function, making it a suitable replacement part for electrical, charging, and starting system repairs.

Common Issues Addressed by the WAI 6643N Starter

• Failure to crank or start the engine
• Intermittent starter engagement
• Grinding noises during engine start
• Slow or weak engine turnover
• Electrical system strain due to inefficient starter operation

Installation Notes and Tips

When installing the WAI 6643N starter, ensure the vehicle's battery is fully charged and disconnected to prevent electrical shorts. Verify the starter rotation is counterclockwise to match the engine requirements. Confirm the 22-tooth pinion gear aligns correctly with the flywheel teeth. Use the pad mounting points to secure the starter firmly, avoiding misalignment that could cause premature wear.

Quality Assurance and Warranty

WAI starters are manufactured to meet industry standards for durability and performance. The 6643N starter undergoes rigorous testing to ensure reliable operation in Ford and Mercury vehicles. Please refer to WAI's official warranty policy for specific coverage details.