OE Quality
60-Day Returns

Mevotech MS50539 Suspension Ball Joint - Front Lower
Mevotech Suspension Ball Joint for Cadillac DeVille and Fleetwood
The Mevotech MS50539 suspension ball joint is designed specifically for Cadillac DeVille and Fleetwood models, providing reliable steering and suspension performance. This pre-greased, greaseable ball joint assembly includes all necessary hardware for a complete installation.
Key Features of Mevotech MS50539 Suspension Ball Joint
- Includes castle nut, cotter pin, and mounting hardware for secure installation
- Grease fitting included for easy maintenance and extended service life
- Durable neoprene dust boot in blue to protect against dirt and debris
- Pre-greased and greaseable design to ensure smooth operation
- Threaded stud type with 9/16 x 18 thread size for precise fitment
- Press-in mounting type compatible with specified Cadillac models
- Wrench size 22.0 for proper torque application during installation
Detailed Description of Mevotech MS50539 Ball Joint
The Mevotech MS50539 suspension ball joint is engineered to meet the specific requirements of Cadillac DeVille and Fleetwood vehicles. This ball joint assembly comes complete with a neoprene dust boot that resists wear and environmental damage, helping to maintain joint integrity. The inclusion of a grease fitting allows for routine lubrication, which helps prevent premature wear and extends the lifespan of the component. The assembly is pre-greased for immediate use and features a threaded stud with a 9/16 x 18 thread size, ensuring a secure and precise fit. The press-in mounting type simplifies installation while the included castle nut, cotter pin, and mounting hardware provide a comprehensive solution for suspension repairs.
Common Applications and Issues Addressed
- Restores proper steering control and suspension articulation on Cadillac DeVille and Fleetwood
- Eliminates excessive play or looseness in the front suspension
- Prevents uneven tire wear caused by worn ball joints
- Reduces noise and vibration from damaged or failing ball joints
- Protects suspension components from dirt and moisture intrusion
Installation Notes and Tips
- Ensure compatibility with Cadillac DeVille and Fleetwood models before installation
- Use a 22.0 mm wrench to tighten the castle nut to manufacturer torque specifications
- Grease the fitting after installation to maintain lubrication
- Inspect the dust boot for damage during installation and replace if necessary
- Secure the cotter pin properly to prevent loosening of the castle nut
Quality Assurance and Warranty
Mevotech suspension components are manufactured to meet or exceed OEM standards. The MS50539 ball joint is built with durable materials and includes protective features such as a neoprene dust boot and grease fitting to ensure long service life. While specific warranty details may vary, Mevotech typically offers coverage against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.
| Brand | Mevotech |
|---|---|
| Part Number | MS50539 |
| Adjustable | No |
| Ball Joint Assembly | Yes |
| Castle Nut Included | Yes |
| Cotter Pin Included | Yes |
| Dust Boot Color | Blue |
| Dust Boot Included | Yes |
| Dust Boot Material | Neoprene |
| Grease Fitting Included | Yes |
| Greaseable | Yes |
| Mounting Hardware Included | Yes |
| Mounting Type | Press In |
| Pre Greased | Yes |
| Stud Type | Threaded |
| Thread Size | 9/16 x 18 |
| Wrench Size | 22.0 |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1976 | Cadillac | DeVille | Front Lower | |
| 1976 | Cadillac | Fleetwood | Front Lower | |
| 1975 | Cadillac | DeVille | Front Lower | |
| 1975 | Cadillac | Fleetwood | Front Lower | |
| 1974 | Cadillac | DeVille | Front Lower | |
| 1974 | Cadillac | Fleetwood | Front Lower | |
| 1973 | Cadillac | DeVille | Front Lower | |
| 1973 | Cadillac | Fleetwood | Front Lower | |
| 1972 | Cadillac | DeVille | Front Lower | |
| 1972 | Cadillac | Fleetwood | Front Lower | |
| 1971 | Cadillac | DeVille | Front Lower | |
| 1971 | Cadillac | Fleetwood | Front Lower | |
| 1970 | Cadillac | DeVille | Front Lower | |
| 1970 | Cadillac | Fleetwood | Front Lower |
* 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.