OE Quality
60-Day Returns

Suspensia X50BJ3978 Suspension Ball Joint - Front Lower
Reliable Suspension Ball Joint for Lexus and Toyota Vehicles
The Suspensia Suspension Ball Joint X50BJ3978 is designed to provide precise steering and suspension control for select Lexus and Toyota models. This component includes all necessary mounting hardware for a straightforward installation process.
- Compatible with Lexus Avalon, ES300, RX300 and Toyota Camry, Sienna, Solara
- Includes mounting hardware for complete installation
- Durable construction engineered for suspension and steering stability
- Part number X50BJ3978 ensures exact fitment and quality
Product Details and Compatibility
This Suspensia suspension ball joint, part number X50BJ3978, is specifically engineered for use in the suspension systems of Lexus Avalon, ES300, RX300, and Toyota Camry, Sienna, and Solara models. The inclusion of mounting hardware simplifies replacement, reducing installation time and ensuring a secure fit. This ball joint plays a critical role in connecting the control arms to the steering knuckles, allowing for smooth articulation and maintaining proper wheel alignment.
Common Applications and Problem Resolution
- Addresses worn or loose ball joints causing steering play
- Eliminates clunking noises from suspension movement
- Restores proper wheel alignment and tire wear patterns
- Improves vehicle handling and ride stability
- Prevents premature suspension component failure
Installation Notes and Tips
Installation of the Suspensia X50BJ3978 suspension ball joint requires basic suspension knowledge and tools. Since mounting hardware is included, ensure all components are securely fastened to manufacturer torque specifications. It is recommended to inspect related suspension parts during replacement and perform a wheel alignment afterward to maintain optimal vehicle performance.
Quality Assurance and Warranty Information
Suspensia suspension components are manufactured to meet or exceed OEM standards for durability and performance. The X50BJ3978 ball joint undergoes rigorous quality control to ensure reliability. Please refer to Suspensia’s warranty policy for specific coverage details.
| Brand | Suspensia |
| Part Number | X50BJ3978 |
| Mounting Hardware Included | Yes |
This part fits 36 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003 | Lexus | RX300 | Front Lower | |
| 2002 | Lexus | RX300 | Front Lower | |
| 2001 | Lexus | ES300 | Front Lower | |
| 2001 | Lexus | RX300 | Front Lower | |
| 2001 | Toyota | Camry | Front Lower | |
| 2001 | Toyota | Solara | Front Lower | |
| 2000 | Lexus | ES300 | Front Lower | |
| 2000 | Lexus | RX300 | Front Lower | |
| 2000 | Toyota | Camry | Front Lower | |
| 2000 | Toyota | Sienna | Front Lower | |
| 2000 | Toyota | Solara | Front Lower | |
| 1999 | Lexus | ES300 | Front Lower | |
| 1999 | Lexus | RX300 | Front Lower | |
| 1999 | Toyota | Avalon | Front Lower | |
| 1999 | Toyota | Camry | Front Lower | |
| 1999 | Toyota | Sienna | Front Lower | |
| 1999 | Toyota | Solara | Front Lower | |
| 1998 | Lexus | ES300 | Front Lower | |
| 1998 | Toyota | Avalon | Front Lower | |
| 1998 | Toyota | Camry | Front Lower | |
| 1998 | Toyota | Sienna | Front Lower | |
| 1997 | Lexus | ES300 | Front Lower | |
| 1997 | Toyota | Avalon | Front Lower | |
| 1997 | Toyota | Camry | Front Lower | |
| 1996 | Lexus | ES300 | Front Lower | |
| 1996 | Toyota | Avalon | Front Lower | |
| 1996 | Toyota | Camry | Front Lower | |
| 1995 | Lexus | ES300 | Front Lower | |
| 1995 | Toyota | Avalon | Front Lower | |
| 1995 | Toyota | Camry | Front Lower | |
| 1994 | Lexus | ES300 | Front Lower | |
| 1994 | Toyota | Camry | Front Lower | |
| 1993 | Lexus | ES300 | Front Lower | |
| 1993 | Toyota | Camry | Front Lower | |
| 1992 | Lexus | ES300 | Front Lower | |
| 1992 | Toyota | Camry | 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.