Delphi TC538 Suspension Ball Joint - Rear Right Lower

Delphi Suspension Ball Joint for Audi 90 Quattro and Coupe Quattro

The Delphi TC538 suspension ball joint is engineered to provide reliable steering and suspension performance for Audi 90 Quattro and Coupe Quattro models. Constructed from durable steel with a gray finish, this standard-grade ball joint assembly is designed for bolt-on installation and includes essential mounting hardware.

Key Features of Delphi TC538 Suspension Ball Joint

• Material: High-strength steel construction for durability
• Maximum outside diameter: 1.693 inches (43.0 mm)
• Includes dust boot made from chloroprene rubber to protect against contaminants
• Standard suspension grade type suitable for everyday driving conditions
• Adjustable design with mounting hardware, nuts, and washers included
• Mounting type: Bolt-on with two mounting holes spaced 48.0 mm apart
• Mounting bolt length: 2.028 inches (51.5 mm) with 0.394 inch (10.0 mm) shank diameter
• Wrench size required: 0.669 inches (17.0 mm)

Detailed Description of Delphi TC538 Ball Joint

The Delphi TC538 suspension ball joint is a complete assembly designed specifically for Audi 90 Quattro and Coupe Quattro vehicles. Its steel construction ensures strength and longevity, while the included chloroprene rubber dust boot helps prevent dirt and moisture from compromising the joint's integrity. This ball joint is adjustable and comes with all necessary mounting hardware, including nuts and washers, facilitating a secure and precise fit. The bolt-on mounting type with two mounting holes allows for straightforward installation, making it a practical replacement part for maintaining proper suspension geometry and steering control.

Common Applications and Issues Addressed

• Restores proper steering response and suspension articulation
• Eliminates excessive play or looseness in the front suspension
• Prevents uneven tire wear caused by worn ball joints
• Reduces noise and vibration from faulty suspension components
• Maintains vehicle alignment and handling stability

Installation Notes and Tips

• Compatible with Audi 90 Quattro and Coupe Quattro models; verify fitment before installation
• Use a 17 mm wrench for mounting bolts and ensure bolts are torqued to manufacturer specifications
• Inspect surrounding suspension components during installation for wear or damage
• Adjust the ball joint as needed to achieve proper suspension alignment
• Replace cotter pins if applicable, although this part does not include cotter pins or castle nuts

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The TC538 ball joint assembly includes a dust boot for added protection and comes with mounting hardware to facilitate proper installation. While specific warranty details may vary, Delphi products typically carry a limited warranty against defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.