OE Quality
60-Day Returns

MPA Electrical 15954 Alternator
Reliable Alternator for Lexus LS400 Vehicles
The MPA Electrical Remanufactured Alternator 15954 is designed specifically for Lexus LS400 models, providing a dependable 80 amps of power. This 12-volt alternator features an internal fan and regulator, ensuring efficient charging and starting performance for your vehicle.
- 80 amps output for consistent electrical performance
- 12 volts system compatibility
- Internal fan for effective cooling
- Internal voltage regulator for stable power delivery
- 6 groove serpentine pulley for proper belt alignment
- Clockwise rotation matching OEM specifications
- Manufactured by Nippondenso, a trusted OEM supplier
About the MPA Electrical Remanufactured Product Line
The Remanufactured line from MPA Electrical offers alternators that have been carefully rebuilt to meet original equipment standards. This process includes thorough inspection, replacement of worn components, and testing to ensure reliable operation. The 15954 alternator maintains the quality and performance expected for Lexus LS400 vehicles while providing a cost-effective alternative to new parts.
Technical Details and Compatibility
This alternator is engineered to fit Lexus LS400 models, featuring a 6 groove serpentine pulley and clockwise rotation to match factory specifications. The internal fan design helps maintain optimal operating temperatures, while the internal regulator ensures consistent voltage output. With 80 amps and 12 volts, this alternator supports the electrical demands of your vehicle’s charging system.
Common Issues Addressed by This Alternator
- Battery not charging properly or draining quickly
- Dim or flickering headlights and electrical accessories
- Warning lights related to charging system on the dashboard
- Unusual noises from the engine bay due to pulley or bearing wear
- Vehicle stalling or difficulty starting due to insufficient power
Installation Notes and Tips
When installing the MPA Electrical Remanufactured Alternator 15954, ensure the serpentine belt is properly aligned with the 6 groove pulley. Verify the clockwise rotation matches the original alternator to avoid compatibility issues. It is recommended to inspect the battery and electrical connections during installation to ensure optimal performance.
Quality Assurance and Warranty
MPA Electrical’s Remanufactured alternators undergo rigorous testing to meet OEM standards. The 15954 alternator is built with Nippondenso components, known for their durability and reliability. This product typically includes a limited warranty covering defects in materials and workmanship, providing confidence in its long-term use for Lexus LS400 vehicles.
| Brand | MPA Electrical |
| Part Number | 15954 |
| Position | Remanufactured |
| Amps | 80 Amps |
| Clock | 12:30 |
| Fan | Internal |
| Manufacturer | Nippondenso |
| Pulley | 6 Groove Serpentine |
| Regulator | Internal |
| Rotation | Clockwise |
| Volts | 12 Volts |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1997 | Lexus | LS400 | 4.0L | V8 | N/A | Remanufactured |
| 1996 | Lexus | LS400 | 4.0L | V8 | N/A | Remanufactured |
| 1995 | Lexus | LS400 | 4.0L | V8 | N/A | Remanufactured |
* 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.