Delphi TC5271 Suspension Ball Joint - Front Lower

Delphi Suspension Ball Joint for Lexus GS and IS Models

The Delphi TC5271 suspension ball joint is engineered to provide reliable steering and suspension performance for select Lexus vehicles. Designed with durable steel construction and a protective dust boot, this ball joint ensures consistent operation and longevity in your Lexus GS300, GS350, IS250, IS300, IS350, RC300, RC350, and RC F models.

• Constructed from high-strength steel with a black finish for corrosion resistance
• Includes castle nut, cotter pin, washers, and mounting hardware for secure installation
• Equipped with a chloroprene rubber dust boot to protect against dirt and debris
• Standard suspension grade type suitable for OEM replacement
• Threaded tapered stud with 14.0 mm diameter and 1.102 inch thread length
• Mounting type is bolt-on with two mounting holes spaced 120 mm apart

Durable Design and Precise Fitment

The Delphi TC5271 ball joint assembly is designed specifically for compatibility with Lexus GS and IS series vehicles, including the GS300, GS350, GS F, IS250, IS300, IS350, RC300, RC350, and RC F. Its steel construction provides the necessary strength to handle suspension loads, while the included dust boot made from chloroprene rubber helps prevent contamination and premature wear. The tapered stud design with a 0.167 taper per foot ensures a secure fit in the suspension knuckle, maintaining proper alignment and steering response.

Common Applications and Problem Resolution

• Replaces worn or damaged suspension ball joints causing steering play or noise
• Addresses uneven tire wear due to loose or failing ball joints
• Eliminates clunking or knocking sounds during suspension travel
• Restores proper suspension geometry and vehicle handling
• Prevents suspension component damage from excessive movement

Installation Notes and Tips

Installation of the Delphi TC5271 ball joint requires removal of the old ball joint and proper torqueing of the included castle nut and cotter pin to secure the assembly. The bolt-on mounting type with two mounting holes spaced 120 mm apart allows for straightforward replacement on compatible Lexus models. Although grease fitting is not included, the sealed dust boot helps maintain lubrication inside the joint. It is recommended to inspect related suspension components during installation and perform a wheel alignment afterward to ensure optimal handling.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet or exceed OEM specifications for fit, form, and function. The TC5271 ball joint undergoes rigorous quality control to ensure durability and performance in demanding driving conditions. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.