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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.
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.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2000 | Land Rover | Range Rover | 4.0L | V8 | 120 Amp; New |
| 1999 | Land Rover | Range Rover | 4.0L | V8 | 120 Amp; New |
| 1998 | Land Rover | Discovery | — | — | — |
| 1998 | Land Rover | Range Rover | 4.0L | V8 | — |
| 1997 | Land Rover | Defender 90 | — | — | — |
| 1997 | Land Rover | Discovery | — | — | — |
| 1997 | Land Rover | Range Rover | 4.0L | V8 | — |
| 1996 | Land Rover | Discovery | — | — | — |
| 1996 | Land Rover | Range Rover | 4.0L | V8 | — |
| 1995 | Land Rover | Discovery | — | — | Marelli 100 Amp, With 52mm OD Pulley; New |
| 1995 | Land Rover | Range Rover | 4.0L | V8 | 120 Amp, To Chassis / VIN # TA346793; New |
| 1994 | Land Rover | Discovery | — | — | Marelli 100 Amp, With 52mm OD Pulley; New |
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