WAI 7861-11N-0G-HO Alternator

Reliable Alternator for Select GM Trucks and SUVs

The WAI 7861-11N-0G-HO alternator is designed to provide consistent electrical charging performance for a range of General Motors vehicles. Engineered with a 12-volt system and a 200-amp rating, this alternator supports the demanding electrical needs of trucks and SUVs including Chevrolet, GMC, and Buick models.

• 12-volt electrical system compatibility
• 200-amp amperage rating for high electrical output
• External fan type for efficient cooling
• Clockwise (right) rotation direction
• Internal voltage regulator for stable charging
• Delco family alternator design
• No pulley included, designed for direct replacement
• Compatible with multiple GM makes and models

Technical Details and Features

This WAI alternator features an external fan type that helps maintain optimal operating temperatures during heavy electrical loads. The clockwise rotation direction matches the original equipment specifications for proper fit and function. With an internal regulator, the alternator ensures consistent voltage output to protect your vehicle’s electrical system. The 200-amp rating supports vehicles with higher electrical demands, such as those equipped with additional accessories or towing packages. This alternator is part of the Delco family, known for its compatibility with many GM vehicles.

Compatible Vehicles and Applications

The WAI 7861-11N-0G-HO alternator is compatible with a variety of GM trucks and SUVs, including:

• Buick models such as the Roadmaster
• Cadillac Brougham
• Chevrolet trucks and SUVs including C1500, C2500, C3500, Blazer, and Astro
• GMC models like Jimmy, Safari, and various K and R series trucks
• Oldsmobile and Pontiac vehicles including Firebird and Custom Cruiser

This alternator is suitable for vehicles requiring a 12-volt, 200-amp alternator with an external fan and clockwise rotation.

Common Issues Addressed by This Alternator

• Intermittent or no charging of the battery
• Dim or flickering dashboard and headlights
• Battery warning light illumination
• Electrical system failures under load
• Overheating due to inefficient alternator cooling

Installation Notes and Tips

Ensure the alternator pulley matches your vehicle’s specifications as this unit does not include a pulley. Verify the rotation direction and electrical connections before installation. Disconnect the battery prior to removal and installation to prevent electrical shorts. Proper torque specifications should be followed to secure the alternator in place. Consult your vehicle’s service manual for detailed installation procedures.

Quality Assurance and Warranty

WAI alternators are manufactured to meet OEM standards for durability and performance. The 7861-11N-0G-HO alternator undergoes rigorous testing to ensure reliable operation under various conditions. Warranty coverage details should be confirmed with the distributor or manufacturer to ensure protection against defects.