OE Quality
60-Day Returns

Mevotech GS504121 Suspension Stabilizer Bar Bushing Kit - Front To Frame
Mevotech GS504121 Stabilizer Bar Bushing Kit
Restore stabilizer bar support with the Mevotech GS504121 suspension stabilizer bar bushing kit. Built with natural rubber and a black finish, this OE-style bushing set is made for front-to-frame mounting on select Buick LaCrosse and Chevrolet Impala applications.
Use this part when you need a direct-fit suspension stabilizer bar bushing kit for front-to-frame service on the Buick LaCrosse, Chevrolet Impala, or Chevrolet Impala Limited.
Key Features
- Natural rubber construction for stabilizer bar isolation and support
- Black finish
- Inside diameter: 1.08 in.
- Outside diameter: 1.85 in.
- Width: 2.04 in.
- Height: 1.95 in.
- Front-to-frame application
- Mevotech part number GS504121
Detailed Description
The Mevotech GS504121 is a suspension stabilizer bar bushing kit engineered for front-to-frame mounting locations. Its natural rubber material helps maintain stabilizer bar positioning while supporting the suspension interface at the frame. With defined dimensions for inside diameter, outside diameter, width, and height, this bushing kit is built for accurate service replacement on the listed vehicles.
Compatible With 2010-2016 Buick LaCrosse, front to frame; 2014-2020 Chevrolet Impala, front to frame; and 2014-2015 Chevrolet Impala Limited, front to frame. This part cross-references Mevotech Supreme MS504121 for the same application.
What It Helps Address
- Clunking or knocking from worn stabilizer bar bushings
- Excess stabilizer bar movement at the frame mount
- Loose or inconsistent front suspension feel
- Rubber bushing wear from age, heat, and road exposure
- Noise caused by deteriorated sway bar support points
Installation Notes and Tips
Verify the front-to-frame mounting location and confirm the bushing dimensions before installation. Match the part to the vehicle application and inspect the stabilizer bar and mounting surfaces for wear or damage during service. For fitment-based searches, this part is commonly sought as a front stabilizer bar bushing kit for 2010-2016 Buick LaCrosse and 2014-2020 Chevrolet Impala applications.
Quality Assurance
Mevotech Original Grade GS504121 is listed with OE-style fitment references for the specified Buick and Chevrolet applications. Confirm vehicle year, model, and mounting position before ordering.
| Brand | Mevotech |
|---|---|
| Part Number | GS504121 |
| Material | Natural rubber |
| Color | Black |
| Inside Diameter | 1.08 |
| Width | 2.04 |
| Outside Diameter | 1.85 |
| Height | 1.95 |
| Bushing Quantity | 2 |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Chevrolet | Impala | Front To Frame | |
| 2019 | Chevrolet | Impala | Front To Frame | |
| 2018 | Chevrolet | Impala | Front To Frame | |
| 2017 | Chevrolet | Impala | Front To Frame | |
| 2016 | Buick | LaCrosse | Front To Frame | |
| 2016 | Chevrolet | Impala | Front To Frame | |
| 2015 | Buick | LaCrosse | Front To Frame | |
| 2015 | Chevrolet | Impala | Front To Frame | |
| 2015 | Chevrolet | Impala Limited | Front To Frame | |
| 2014 | Buick | LaCrosse | Front To Frame | |
| 2014 | Chevrolet | Impala | Front To Frame | |
| 2014 | Chevrolet | Impala Limited | Front To Frame | |
| 2013 | Buick | LaCrosse | Front To Frame | |
| 2012 | Buick | LaCrosse | Front To Frame | |
| 2011 | Buick | LaCrosse | Front To Frame | |
| 2010 | Buick | LaCrosse | Front To Frame |
* 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.