WAI 11643N Alternator

Brand WAI 11643N
12 12
Fan Type Internal
Rotation Direction Clockwise (right)
Pulley Included Yes
Family Mitsubishi
Pulley Groove Quantity 6
Pulley Belt Type Serpentine
Regulator Type Internal
Decoupled Or Clutch Pulley Yes
Amperage Rating 170
Fits Chevrolet · 7 vehicles

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

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

Internal regulator. Integrated control design with internal fan and included pulley.

Cross-references BBB Industries 11643, 92247651 and 92254798 for the same application. See all 8.

$303.27Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

Alternator Overview

This WAI alternator, part number 11643N, is a 100% new replacement built for charging-system performance in modern vehicles. It is engineered for 170 amp output and uses an internal regulator, internal fan, and decoupled clutch pulley design for efficient operation.

Key Features

  • 170 amp amperage rating for higher electrical demand.
  • 100% new construction, not remanufactured.
  • Internal regulator and internal fan design.
  • 6-groove pulley with serpentine belt compatibility.
  • Clockwise rotation with pulley included.
  • Mitsubishi family alternator design.

Fitment Details

Fits 2011-2017 Chevrolet Caprice, N/A. This part cross-references BBB Industries (e.g., 11643) for the same application.

What It Is Used For

  • Restoring charging output when the original alternator can no longer maintain system voltage.
  • Replacing a worn unit with a new alternator assembly.
  • Addressing battery warning lights caused by charging-system faults.
  • Correcting low-output conditions under accessory and electrical load.
  • Supporting stable electrical performance in a Chevrolet Caprice charging system.

Installation Notes and Tips

Verify pulley style, rotation direction, amperage rating, and connector match before installation. Confirm the vehicle uses the listed Denso IR/IF, 170 amp application details for the Chevrolet Caprice. Inspect the belt condition and charging-system wiring during replacement, and compare the removed unit to part number 11643N before final installation.

Quality Assurance

WAI states that this alternator is manufactured with proprietary components and processes to support long service life and consistent performance.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2017ChevroletCaprice6.0LV8Denso IR/IF, 170 Amp
2016ChevroletCaprice6.0LV8Denso IR/IF, 170 Amp
2015ChevroletCaprice6.0LV8Denso IR/IF, 170 Amp
2014ChevroletCaprice6.0LV8Denso IR/IF, 170 Amp
2013ChevroletCaprice6.0LV8Denso IR/IF, 170 Amp
2012ChevroletCaprice6.0LV8Denso IR/IF, 170 Amp
2011ChevroletCaprice——Denso IR/IF, 170 Amp
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 11643922476519225479892258220A003TX0981A003TX1481A3TX1481A3XT0981