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WAI 13992N Alternator
WAI 13992N Alternator for Lexus SC430 and LS430
The WAI 13992N is a 130-amp alternator built for Lexus charging-system applications that need stable electrical output for modern vehicle loads. This 100% new unit uses proprietary components and manufacturing processes to support long service life and consistent performance.
Key Features
- 130-amp amperage rating for dependable charging output
- 100% new alternator, not remanufactured
- Internal fan design
- Internal voltage regulator
- Clockwise (right) rotation
- 6-groove pulley included for serpentine belt systems
- DENSO family application
- 12-volt electrical system
Detailed Description
WAI part number 13992N is an OE-style alternator for Lexus charging-system repair where the original unit has failed or output has dropped. It is built for 12-volt systems with an internal regulator, internal fan, and clockwise rotation, and it includes a 6-groove pulley for serpentine belt drive layouts. This alternator cross-references BBB Industries 13992 for the same application. It fits 2003-2010 Lexus SC430 and 2001-2003 Lexus LS430, with an optional 2002 Lexus SC430 application noted in the fitment data.
Common Issues This Part Can Address
- Battery warning light caused by low alternator output
- Dim headlights or unstable electrical performance
- Battery drain after driving
- Charging-system failure on Lexus SC430 or LS430 models
- Noisy or worn alternator replacement needs
Installation Notes and Tips
Verify pulley groove count, belt type, rotation direction, and electrical connector match before installation. Confirm the vehicle uses a serpentine belt setup and compare the removed unit to the new alternator before mounting. After installation, check charging voltage and inspect belt condition, tension, and routing.
Quality Assurance
WAI builds this alternator as a 100% new replacement using proprietary components and processes aimed at consistent output and long-term performance. Part number 13992N is engineered for the electrical demands of Lexus SC430 and LS430 charging systems.
| Brand | WAI |
|---|---|
| Part Number | 13992N |
| 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 | 130 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Lexus | SC430 | N/A | |
| 2009 | Lexus | SC430 | N/A | |
| 2008 | Lexus | SC430 | N/A | |
| 2007 | Lexus | SC430 | N/A | |
| 2006 | Lexus | SC430 | N/A | |
| 2005 | Lexus | SC430 | N/A | |
| 2004 | Lexus | SC430 | N/A | |
| 2003 | Lexus | LS430 | N/A | |
| 2003 | Lexus | SC430 | N/A | |
| 2002 | Lexus | LS430 | N/A | |
| 2002 | Lexus | SC430 | N/A | Opt |
| 2001 | Lexus | LS430 | 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.