OE Quality
60-Day Returns

MPA Electrical 11456 Alternator
Remanufactured Alternator for Buick Applications
MPA Electrical Part Number 11456 is a remanufactured 12-volt alternator built for OE fit, form, and function. It is engineered for charging-system replacement on select Buick models, including the 2010 Buick Allure and 2010-2011 Buick LaCrosse.
Key Features
- Remanufactured alternator with OE-style fit and electrical performance
- 12.0-volt unit with 130.0 amp output
- Internal regulator and internal fan design
- Clockwise (right) rotation
- Serpentine pulley with 6 grooves included
- Valeo family application
- Rear view main mounting ear plug clock position: 2
Product Details
This MPA Electrical remanufactured alternator is built for dependable charging-system service on Buick LaCrosse and Buick Allure applications. Part Number 11456 uses an internal regulator, internal fan, and included pulley to match the original equipment configuration for the listed vehicles. The remanufacturing and testing process is used to verify quality and restore OE replacement performance for the charging system.
This part cross-references 2605311A and FG12S012 for the same application.
What It Helps Fix
- Battery warning light caused by alternator output loss
- Low charging voltage during driving or idle
- Dim lights or electrical instability from weak charging performance
- Battery drain after the vehicle is running
- Charging-system failure on the listed Buick models
Installation Notes
Compatible With 2010 Buick Allure, N/A. Compatible With 2010-2011 Buick LaCrosse, N/A. Verify pulley style, connector orientation, mounting ear position, and belt alignment before installation. Confirm the vehicle uses a 12-volt charging system with a serpentine belt and 6-groove pulley configuration.
Quality Assurance
MPA Electrical remanufactured alternators are processed to OE fit, form, and function standards and tested with current remanufacturing equipment to support reliable replacement performance.
| Brand | MPA Electrical |
| Part Number | 11456 |
| Position | Remanufactured |
| Voltage | 12.0 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 2 |
| Fan Type | Internal |
| Rotation Direction | Clockwise (right) |
| Pulley Included | Yes |
| Family | Valeo |
| Pulley Groove Quantity | 6 |
| Pulley Belt Type | Serpentine |
| Regulator Type | Internal |
| Decoupled Or Clutch Pulley | No |
| Amperage Rating | 130.0 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Buick | LaCrosse | 2.4L | L4 | N/A | Remanufactured |
| 2010 | Buick | Allure | 2.4L | L4 | N/A | Remanufactured |
| 2010 | Buick | LaCrosse | 2.4L | L4 | 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.