Delphi TC3681 Suspension Ball Joint - Front Lower

Delphi Suspension Ball Joint for Mercedes-Benz C300 and C350e

The Delphi TC3681 suspension ball joint is engineered to provide reliable steering and suspension performance for Mercedes-Benz C300 and C350e models. Designed with durable materials and precise specifications, this ball joint supports safe and smooth vehicle handling.

• Constructed with alloy steel SAE 5140 ball and carbon steel housing for strength and durability
• Includes castle nut, cotter pin, mounting hardware, and dust boot made of chloroprene rubber
• Stud thread diameter of 12.0 mm with a thread length of 22.0 mm
• Dimensions: length 106 mm, width 87.7 mm, height 94.0 mm
• Three mounting holes with 35.0 mm distance between holes for secure fitment

Durable Construction and Precise Fitment

The Delphi TC3681 suspension ball joint features a robust ball material made from SAE 5140 alloy steel, ensuring resistance to wear and deformation under load. The housing is crafted from carbon steel, providing a solid foundation for the assembly. The included dust boot, made from chloroprene rubber, protects the joint from contaminants and extends service life. This ball joint assembly comes complete with all necessary mounting hardware, including a castle nut and cotter pin, facilitating a secure and reliable installation on Mercedes-Benz C300 and C350e vehicles.

Compatible Applications and Use Cases

This suspension ball joint is specifically compatible with Mercedes-Benz C300 and C350e models, making it a suitable replacement part for maintaining factory suspension performance. It addresses common suspension issues such as:

• Excessive play or looseness in steering components
• Uneven tire wear caused by worn ball joints
• Clunking or knocking noises during driving over bumps
• Reduced steering responsiveness or alignment problems
• Vibration or instability at higher speeds

Installation Notes and Tips

Installation of the Delphi TC3681 ball joint requires proper tools and mechanical knowledge. Ensure the vehicle is securely lifted and supported before beginning work. The included castle nut and cotter pin must be installed to factory torque specifications to maintain safety. Although this ball joint is not greaseable, the dust boot helps retain lubrication inside the joint. Verify the mounting bolt lengths and hole alignment during installation to ensure a proper fit on Mercedes-Benz C300 and C350e suspension assemblies.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The TC3681 ball joint undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to provide confidence in the product's reliability.