WAI 11918N Alternator

Brand WAI 11918N
12 12
Fan Type Internal
Rotation Direction Clockwise (right)
Pulley Included Yes
Family Denso
Pulley Groove Quantity 6
Pulley Belt Type Serpentine
Regulator Type Internal
Decoupled Or Clutch Pulley No
Amperage Rating 225
Fits Ford · 4 vehicles

100% new unit. Not remanufactured, with proprietary components and processes.

225 amp output. Built to supply the electrical demand of modern charging systems.

Integrated design. Internal fan, internal regulator, and included pulley for OE-style fit.

Cross-references Unity Automotive 11918, 104211-0070 and FL3T-10300-DA for the same application. See all 4.

$246.77Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $246.77
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Free returns within 60 days if it doesn't fit when fitment is verified.

Overview

This WAI alternator, part number 11918N, is a 100% new replacement built for vehicles that need strong charging output and stable electrical performance. It is engineered for Ford F-150 applications with a 225 amp, 6-groove serpentine setup and AC power outlet equipment.

Key Features

  • 225 amp output for higher electrical demand.
  • 100% new unit, not remanufactured.
  • Internal fan and internal regulator for integrated control.
  • 6-groove pulley with serpentine belt drive.
  • Clockwise rotation with pulley included.
  • DENSO family design with proprietary WAI components and processes.

Detailed Description

The WAI 11918N alternator is built to supply the amperage needed by modern electrical systems. Its 225 amp rating, internal regulation, and internal fan support consistent charging performance, while the included pulley and serpentine belt configuration simplify matching the original equipment layout. This alternator is a direct fit for 2015-2017 Ford F-150 and 2020 Ford F-150 applications listed with AC power outlet equipment and a 6S pulley specification. The 11918N is also cross-referenced to Monroe Shocks & Struts part numbers 104211-0070 and FL3T-10300-DA for the same application.

What It Is Used For

  • Restoring charging output when the original alternator can no longer maintain system voltage.
  • Addressing battery warning lights caused by charging system faults.
  • Replacing a worn pulley or internal regulator assembly.
  • Supporting vehicles with added electrical load from factory equipment.

Installation Notes and Tips

Verify the amperage rating, pulley groove count, belt type, and rotation direction before ordering. Confirm the vehicle is equipped with the listed AC power outlet and 6S pulley configuration. Match the original connector and mounting layout to the existing charging system before installation.

Quality Assurance

WAI states that this alternator is manufactured as a 100% new unit using proprietary components and processes for durability and performance. Part number 11918N is built to meet the electrical demands of modern vehicles.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2020FordF-1503.5LV6With AC Power Outlet, 225 Amp 6S Pulley
2017FordF-1503.5LV6With AC Power Outlet, 225 Amp 6S Pulley
2016FordF-1503.5LV6With AC Power Outlet, 225 Amp 6S Pulley
2015FordF-1503.5LV6With AC Power Outlet, 225 Amp 6S Pulley
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Unity Automotive — 11918104211-0070FL3T-10300-DAFL3Z-10346-D