WAI 11451N Alternator

Brand WAI 11451N
12 12
Fan Type Internal
Rotation Direction Clockwise (right)
Pulley Included Yes
Family Valeo
Pulley Groove Quantity 6
Pulley Belt Type Serpentine
Regulator Type Internal
Decoupled Or Clutch Pulley No
Amperage Rating 220
Fits BMW · 5 vehicles

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

220-amp output. Built for modern electrical demand and stable charging performance.

Internal regulator. Integrated voltage control in a Valeo-family alternator design.

Cross-references BBB Industries 11451, 12-31-7-801-124 and 12-31-7-804-266 for the same application. See all 5.

$278.97Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $278.97
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Overview

This WAI alternator, part number 11451N, is a 100% new replacement unit built to deliver the amperage needed for modern electrical loads. It is engineered for direct replacement applications and uses proprietary components and manufacturing processes for consistent output and service life.

Key Features

  • 220-amp output for higher electrical demand
  • Internal regulator for integrated voltage control
  • Internal fan design for compact packaging
  • Clockwise rotation with a 6-groove serpentine pulley
  • Valeo family construction with pulley included

Detailed Description

The WAI 11451N alternator is a new, non-remanufactured charging unit designed for vehicles that require strong electrical output and stable system performance. Its 220-amp rating, internal regulator, and internal fan configuration support dependable charging under everyday driving and accessory-heavy operation. The included pulley and serpentine belt setup align with modern engine accessory drives. This part number 11451N cross-references BBB Industries 11451 for the same application.

Compatible with BMW X5 applications from 2009-2013, this alternator matches Valeo IR/IF, 220A fitment requirements. For BMW X5 owners replacing a worn charging unit, the WAI 11451N provides a direct-fit solution built around the original equipment style used in the application.

What It Is Used For

  • Low charging output or battery warning lights
  • Dim lights or unstable electrical performance
  • Charging system strain from added electrical demand
  • Alternator noise or bearing-related failure
  • Replacement of a failed Valeo-style charging unit

Installation Notes

Verify the vehicle’s alternator family, rotation direction, pulley groove count, and amperage rating before installation. Confirm the serpentine belt configuration and electrical connector match the original unit. Professional installation is recommended for proper charging system verification after replacement.

Quality Assurance

WAI states that this alternator is 100% new and manufactured with proprietary components and processes to support maximum life and performance. Part number 11451N is built for consistent charging output in the specified application.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2013BMWX53.0LL6Valeo IR/IF, 220A
2012BMWX53.0LL6Valeo IR/IF, 220A
2011BMWX53.0LL6Valeo IR/IF, 220A
2010BMWX53.0LL6Valeo IR/IF, 220A
2009BMWX53.0LL6Valeo IR/IF, 220A
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 1145112-31-7-801-12412-31-7-804-2660986083460TG23C012