Delphi TC1620 Suspension Ball Joint - Front Lower

Delphi Suspension Ball Joint TC1620 Overview

The Delphi Suspension Ball Joint TC1620 is engineered for reliable suspension performance on select Chevrolet, GMC, Isuzu, and Oldsmobile models. Designed to meet standard suspension grade requirements, this ball joint assembly offers durable materials and essential hardware for a secure fit.

• Ball material constructed from SAE 5140 alloy steel for strength
• Carbon steel housing ensures structural integrity
• Includes castle nut, cotter pin, and mounting hardware for complete installation
• Grease fitting and dust boot made of chloroprene rubber for protection and maintenance
• Threaded stud with 0.563-inch diameter and 0.906-inch length
• Compatible with Chevrolet Blazer, GMC Jimmy, Isuzu Hombre, Oldsmobile Bravada, and related models

Durable Construction and Design Features

The TC1620 ball joint features a robust alloy steel ball combined with a carbon steel housing to withstand suspension stresses. The gray finish complements the durable chloroprene rubber dust boot, which protects the joint from contaminants. This assembly includes a grease fitting to allow for routine lubrication, extending the service life of the component. The threaded stud and included castle nut with cotter pin ensure a secure and safe connection to the suspension system. With a mounting bolt length of 0.984 inches and four mounting holes, this bolt-on design simplifies installation on compatible vehicles.

Compatible Vehicles and Applications

This Delphi suspension ball joint TC1620 is compatible with a range of vehicles including Chevrolet Blazer, GMC Jimmy, Isuzu Hombre, Oldsmobile Bravada, and S-series trucks such as the S10, S10 Blazer, S15, S15 Jimmy, and Sonoma. It is designed to replace worn or damaged ball joints in these models, restoring proper suspension articulation and steering control.

Common Suspension Issues Addressed

• Eliminates excessive play or looseness in the suspension linkage
• Reduces uneven tire wear caused by worn ball joints
• Restores proper steering response and alignment
• Prevents suspension noise such as clunking or knocking
• Protects suspension components from dirt and moisture ingress

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before removal
• Use the included mounting hardware and torque to manufacturer specifications
• Grease the fitting after installation to maintain lubrication
• Inspect related suspension components for wear during replacement
• Verify cotter pin installation to secure the castle nut properly

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet industry standards for durability and performance. The TC1620 ball joint assembly undergoes quality checks to ensure fitment accuracy and material integrity. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to support long-term reliability.