WAI

WAI 13726N Alternator

Brand WAI 13726N
12 12
Fan Type Internal
Rotation Direction Clockwise (right)
Pulley Included Yes
Family Marelli
Pulley Groove Quantity 7
Pulley Belt Type Serpentine
Regulator Type Internal
Decoupled Or Clutch Pulley No
Amperage Rating 120
Fits Land Rover · 12 vehicles

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

120-amp output. Provides the power needed for modern electrical demands.

Internal regulator. Built with an internal fan and serpentine pulley setup.

Cross-references Bosch 13727, Quality-Built 13726 and 20110283 for the same application. See all 17.

$232.03Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $232.03
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

WAI 13726N Alternator for Land Rover

The WAI 13726N is a 120-amp alternator built for Land Rover charging-system service. It is a 100% new unit with an internal regulator, internal fan, and included pulley for direct replacement use on select Discovery, Range Rover, and Defender 90 applications.

Key Features

  • 120-amp amperage rating for modern electrical loads
  • 100% new alternator construction, not remanufactured
  • Internal fan and internal voltage regulator
  • Clockwise (right) rotation
  • 7-groove serpentine pulley included
  • MARELLI family design
  • Direct interchange for select OE and aftermarket references

Product Details

WAI engineers this alternator to deliver the output needed for today’s vehicle electrical demands while maintaining consistent charging performance. The 13726N uses proprietary components and manufacturing processes to support long service life and stable operation. It is a fitment-based replacement for 1996-1998 Land Rover Discovery, 1996-1998 Land Rover Range Rover, and 1997 Land Rover Defender 90. This part cross-references Bosch 13727 for the same application.

Common Charging Issues It Can Address

  • Battery warning light caused by low alternator output
  • Dim headlights or unstable accessory performance
  • Battery discharge from insufficient charging
  • Noise or wear related to a failing alternator assembly
  • Charging-system faults on Land Rover Discovery, Range Rover, or Defender 90 models

Installation Notes and Tips

Verify pulley groove count, belt type, rotation direction, and electrical connector match before installation. Confirm the vehicle application by year and model: Fits 1996-1998 Land Rover Discovery, N/A; Fits 1996-1998 Land Rover Range Rover, N/A; Fits 1997 Land Rover Defender 90, N/A. Inspect the serpentine belt, battery condition, and charging cables during replacement to help prevent repeat failures. The WAI 13726N is also referenced by part number 13726N in catalog searches.

Quality Assurance

WAI builds this alternator as a new replacement unit using proprietary components and processes focused on durability and performance. The design supports dependable charging output for Land Rover applications and aligns with OE-style fitment requirements.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2000Land RoverRange Rover4.0LV8120 Amp; New
1999Land RoverRange Rover4.0LV8120 Amp; New
1998Land RoverDiscovery
1998Land RoverRange Rover4.0LV8
1997Land RoverDefender 90
1997Land RoverDiscovery
1997Land RoverRange Rover4.0LV8
1996Land RoverDiscovery
1996Land RoverRange Rover4.0LV8
1995Land RoverDiscoveryMarelli 100 Amp, With 52mm OD Pulley; New
1995Land RoverRange Rover4.0LV8120 Amp, To Chassis / VIN # TA346793; New
1994Land RoverDiscoveryMarelli 100 Amp, With 52mm OD Pulley; New
Directly replaces or cross-references 17 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 13727Quality-Built — 1372620110283201102845402254363321240633213536334124063341353063341240010063341353010AMR2938AMR2938EAMR3021AMR3107AMR4247MAN822