WAI 11821N Alternator

WAI 11821N Alternator for Audi Q7

The WAI 11821N alternator is a 100% new charging component built for vehicles that need consistent electrical output. With a 220 amp rating, internal regulator, and internal fan design, it supports the demands of modern Audi Q7 electrical systems.

Compatible with 2013-2015 Audi Q7 applications listed below, this alternator includes a pulley and uses a 6-groove serpentine belt setup. The clockwise rotation and Valeo family design help match the original application requirements for direct replacement service.

Key Features

• Part number: 11821N
• 220 amp output for higher electrical demand
• 100% new unit, not remanufactured
• Internal voltage regulator
• Internal fan design
• Pulley included
• 6-groove serpentine pulley configuration
• Clockwise rotation
• Valeo family application

Detailed Description

WAI engineers this alternator to deliver the amperage needed for today’s vehicle electrical loads. The 11821N is built as a new unit with proprietary components and manufacturing processes aimed at consistent performance and service life. For Audi Q7 owners needing a replacement alternator, this unit matches the listed Valeo IR/IF applications and supports stable charging system operation.

This part cross-references BBB Industries 11821 for the same application. It also cross-references OE-style numbers 06E-903-023-B and 06E-903-023-BX.

What It Helps Address

• Battery warning light caused by charging system output loss
• Low-voltage conditions during driving
• Dim lights or electrical instability
• Charging failure from a worn alternator
• Accessory performance issues tied to insufficient amperage

Installation Notes and Tips

Verify pulley groove count, belt type, rotation direction, and regulator style before installation. This alternator uses a serpentine belt drive with a 6-groove pulley and clockwise rotation. Confirm the vehicle’s original Valeo IR/IF specification and match the listed Audi Q7 fitment before replacement.

• Fits 2013 Audi Q7, N/A
• Fits 2014 Audi Q7, N/A
• Fits 2015 Audi Q7, N/A

Quality Assurance

WAI states that this alternator is manufactured as a 100% new unit using proprietary components and processes to support life and performance in demanding charging system applications.