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WAI 13747N Alternator
Reliable Alternator Replacement for Lexus and Toyota Vehicles
The WAI 13747N alternator is designed to provide consistent electrical charging and starting performance for select Lexus and Toyota models. Engineered with an internal fan and regulator, this alternator supports efficient operation and durability for vehicles like the Camry, ES300, and Solara.
- 12-volt electrical system compatibility
- Internal fan type for effective cooling
- Clockwise (right) rotation direction
- Includes a 6-groove serpentine pulley
- Internal voltage regulator for stable output
- 80-amp amperage rating suitable for standard electrical loads
- Compatible with Denso family alternators
Technical Details and Features
The WAI 13747N alternator features an internal fan that helps maintain optimal operating temperatures, reducing the risk of overheating during extended use. Its clockwise rotation matches the original equipment specifications for Lexus and Toyota models such as the Camry, ES300, and Solara. The included pulley has six grooves designed for serpentine belts, ensuring proper belt alignment and tension. This alternator also incorporates an internal voltage regulator, which maintains consistent voltage output to protect your vehicle’s electrical system. With an 80-amp rating, it supports the electrical demands of standard vehicle accessories and systems.
Compatible Vehicles and Applications
This alternator is compatible with the following makes and models:
- Lexus ES300
- Toyota Camry
- Toyota Solara
It is ideal for replacing worn or failing alternators in these vehicles, restoring reliable charging and starting functions.
Common Issues Addressed by the WAI 13747N Alternator
- Battery not charging properly or frequently dying
- Dimming or flickering headlights and interior lights
- Electrical system warning lights on the dashboard
- Unusual noises from the alternator pulley or belt area
- Vehicle stalling or difficulty starting due to electrical failure
Installation Notes and Tips
When installing the WAI 13747N alternator, ensure the serpentine belt is properly aligned with the 6-groove pulley to prevent premature wear. Verify the rotation direction matches the original alternator to maintain correct operation. It is recommended to inspect the battery and electrical connections during installation to ensure optimal performance. Professional installation is advised for accurate fitment and electrical system integration.
Quality Assurance and Warranty
WAI alternators are manufactured to meet industry standards and are compatible with Denso family components. While specific warranty details are not provided here, WAI products typically undergo rigorous quality control to ensure reliability and durability in automotive electrical systems.
| Brand | WAI |
|---|---|
| Part Number | 13747N |
| 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 | 80 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Toyota | Solara | 3.0L | V6 | N/A | |
| 2002 | Toyota | Solara | 3.0L | V6 | N/A | |
| 2001 | Lexus | ES300 | N/A | |||
| 2001 | Toyota | Camry | 3.0L | V6 | N/A | |
| 2001 | Toyota | Solara | 3.0L | V6 | N/A | |
| 2000 | Lexus | ES300 | N/A | |||
| 2000 | Toyota | Camry | 3.0L | V6 | N/A | |
| 2000 | Toyota | Solara | 3.0L | V6 | N/A | |
| 1999 | Lexus | ES300 | N/A | |||
| 1998 | Lexus | ES300 | N/A | |||
| 1997 | Lexus | ES300 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.