WAI 7787N-HO Alternator

Reliable Alternator for Ford Explorer, Mercury Mountaineer, and GT

The WAI 7787N-HO alternator is designed to provide consistent electrical charging and starting performance for select Ford and Mercury vehicles. Engineered with an internal fan and regulator, this alternator supports the demanding electrical needs of your Explorer, GT, or Mountaineer.

Key Features of the WAI 7787N-HO Alternator

• 12-volt electrical system compatibility
• Internal fan type for efficient cooling
• Clockwise (right) rotation direction
• Includes a 6-groove serpentine pulley
• Internal voltage regulator for stable output
• 200-amp amperage rating suitable for high electrical loads
• Designed specifically for Ford and Mercury vehicle families
• Non-decoupled clutch pulley design

Detailed Product Description

This WAI alternator, part number 7787N-HO, is built to meet the electrical demands of Ford Explorer, Mercury Mountaineer, and Ford GT models. Featuring an internal fan, it ensures proper cooling during operation, which helps maintain optimal performance and longevity. The clockwise rotation and serpentine belt pulley with six grooves are engineered to match factory specifications, ensuring seamless integration with your vehicle's engine system. The internal voltage regulator maintains consistent voltage output, protecting your vehicle's electrical components from fluctuations. With a 200-amp rating, this alternator supports vehicles with higher electrical loads, including those with additional accessories or upgraded systems.

Common Applications and Issues Addressed

• Replacement for failing or underperforming alternators in Ford Explorer and Mercury Mountaineer
• Resolves battery charging problems and electrical system malfunctions
• Addresses dimming headlights or electrical accessory failures
• Eliminates issues related to inconsistent voltage output
• Suitable for vehicles requiring a 200-amp alternator with serpentine belt drive

Installation Notes and Tips

When installing the WAI 7787N-HO alternator, ensure the pulley groove count and belt type match your vehicle’s specifications. This alternator is designed for clockwise rotation and includes the pulley, simplifying replacement. Verify compatibility with your Ford Explorer, Mercury Mountaineer, or Ford GT model year and engine type before installation. Proper torque specifications and electrical connections should be followed to ensure reliable operation.

Quality Assurance and Warranty

WAI alternators are manufactured to meet OEM standards for durability and performance. This alternator undergoes rigorous testing to ensure reliable operation under various conditions. Please refer to WAI’s warranty policy for specific coverage details related to the 7787N-HO alternator.