OE Quality
60-Day Returns

Mevotech GS501218 Lateral Arm - Rear Lower
Mevotech GS501218 Rear Lower Lateral Arm
The Mevotech GS501218 is a rear lower lateral arm for select Cadillac, Buick, and Saab applications. It is built as a non-adjustable replacement arm with a 9.01-inch length and no ball joint included, making it a direct suspension service part for restoring rear suspension geometry.
Key Features
- Rear lower lateral arm for suspension repair
- Length: 9.01 inches
- Ball joint included: No
- Adjustable: No
- Mevotech Original Grade GS501218 replacement part
Application Details
Fits 2013-2019 Cadillac XTS, rear lower; 2014-2017 Buick Regal, rear lower; 2010-2016 Buick LaCrosse, rear lower; and 2010 Saab 9-5, rear lower. This Mevotech GS501218 suspension arm is a direct OE-style replacement for rear lower control geometry on these vehicles.
This part cross-references Global Parts Distributors LLC 1812105 for the same application.
What It Helps Address
- Rear suspension looseness or instability
- Uneven tire wear caused by worn suspension linkage
- Noisy rear suspension movement from a fatigued lateral arm
- Incorrect rear wheel alignment after component wear
- Restoration of OE rear suspension handling characteristics
Installation Notes
Verify vehicle fitment by year, make, model, and rear lower position before installation. Because this arm is not adjustable and does not include a ball joint, inspect related rear suspension components, bushings, and mounting points during service. Professional alignment is recommended after replacement.
Quality Assurance
Mevotech Original Grade parts are positioned as OE replacement components for restoring factory-style performance, handling, and ride quality. The GS501218 is engineered for the specified Cadillac XTS, Buick Regal, Buick LaCrosse, and Saab 9-5 rear lower applications.
| Brand | Mevotech |
|---|---|
| Part Number | GS501218 |
| Length | 9.01 |
| Ball Joint Included | No |
| Adjustable | No |
This part fits 19 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Cadillac | XTS | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2018 | Cadillac | XTS | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2017 | Buick | Regal | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2017 | Cadillac | XTS | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2016 | Buick | LaCrosse | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2016 | Buick | Regal | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2016 | Cadillac | XTS | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2015 | Buick | LaCrosse | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2015 | Buick | Regal | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2015 | Cadillac | XTS | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2014 | Buick | LaCrosse | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2014 | Buick | Regal | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2014 | Cadillac | XTS | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2013 | Buick | LaCrosse | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2013 | Cadillac | XTS | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2012 | Buick | LaCrosse | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2011 | Buick | LaCrosse | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride | ||
| 2010 | Buick | LaCrosse | 3.0L | V6 | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride |
| 2010 | Saab | 9-5 | Rear Lower | Premium OE Replacement; Designed to Restore OE Performance, Handling, and Ride |
* 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.