WAI 11887N Alternator

Overview

This WAI alternator, part number 11887N, is a 100% new replacement built for vehicles that need stable charging output and modern electrical support. It is engineered for 200 amp service and uses an internal regulator, internal fan, and decoupled clutch pulley design.

Compatible with Ford Edge and Lincoln Nautilus applications that match the listed charging and equipment requirements, this alternator is built around a DENSO family design with a serpentine pulley setup. The 11887N is a direct-fit electrical replacement for specific 200 amp applications.

Key Features

• 200 amp amperage rating for higher electrical demand
• 100% new unit, not remanufactured
• Internal regulator and internal fan design
• Decoupled clutch pulley with 4-groove serpentine pulley
• DENSO family construction for listed applications

Fitment Details

• Fits 2024 Ford Edge, N/A, with 200 Amp Denso, with heated and cooled seats.
• Fits 2020-2023 Ford Edge, N/A, 200 Amp, heated and cooled seats.
• Fits 2020-2023 Lincoln Nautilus, N/A, 200 Amp.
• Fits 2019 Ford Edge, N/A, 200 Amp.

What It Helps Address

• Low charging output under accessory load
• Battery warning lights caused by alternator output issues
• Electrical strain from heated and cooled seat equipment
• Charging instability in 200 amp applications

Installation Notes

Verify the amperage rating, pulley style, rotation direction, and regulator type against the original unit before installation. Confirm the vehicle’s equipment package and charging system requirements, especially on Ford Edge and Lincoln Nautilus applications. Part number 11887N should be matched to the listed fitment and electrical specifications.

Quality Assurance

WAI states that this alternator is engineered to deliver the output needed for today’s vehicles and is manufactured with proprietary components and processes for service life and performance. Cross-reference part numbers include Quality-Built 11887 and OE-style numbers such as 104211-1151.