Delphi TC5664PX Suspension Ball Joint - Front Lower

Delphi Professional+ Front Lower Ball Joint

The Delphi Professional+ suspension ball joint, part number TC5664PX, is built for fleet and working vehicles that need consistent chassis performance under load. It is engineered to reduce axial deflection, helping maintain alignment and steering response in demanding service.

Compatible with Cadillac Escalade, Chevrolet Silverado 1500, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra 1500, GMC Yukon, and GMC Yukon XL applications, this front lower ball joint is part of the Delphi Professional+ line. The TC5664PX is made with premium materials for harsh road and weather exposure, and its serviceable design can be regreased to support longer part life.

Key Features

• Front lower suspension ball joint for select Cadillac, Chevrolet, and GMC applications
• Designed to minimize axial deflection under load
• Helps maintain alignment and handling consistency
• Built with premium materials for demanding road and weather conditions
• Serviceable design can be regreased for extended life

Detailed Description

Delphi TC5664PX is a Professional+ chassis component developed for vehicles that see regular work-duty use. By limiting movement under load, it supports stable suspension geometry and helps reduce wear-related downtime. This makes it a practical choice for owners and technicians servicing Chevrolet Silverado 1500 and GMC Sierra 1500 platforms, along with related Cadillac and GMC SUV applications.

This part cross-references MOOG Chassis Products (e.g., K500245) and Mevotech Supreme (e.g., MS50532) for the same application. The TC5664PX is positioned as a serviceable, long-life replacement for front lower suspension service where durability and repeatable performance matter.

What It Is Used For

• Restoring worn suspension joint movement
• Reducing looseness in the front lower suspension
• Supporting alignment retention after component wear
• Improving steering feel affected by joint play
• Addressing noise or clunking from a worn ball joint

Installation Notes and Tips

Install this ball joint in the front lower position only on the listed applications. Verify vehicle fitment by year, make, model, and suspension configuration before installation. After replacement, perform a professional alignment to confirm suspension geometry and tire wear are within specification.

Quality Assurance

Delphi Professional+ chassis parts are engineered for fleet and working vehicles, with materials and serviceable construction intended to support extended service life in harsh operating conditions.