Delphi TC2561 Suspension Ball Joint - Front Lower

Delphi TC2561 Front Lower Ball Joint

Delphi TC2561 is a front lower suspension ball joint built as a standard replacement for select Buick, Cadillac, Chevrolet, and GMC applications. It combines a steel body, greaseable design, and included dust boot to support precise steering and suspension movement in demanding road conditions.

Key Features

• Front lower suspension ball joint for OE-style replacement service
• Steel construction with gray finish
• Grease fitting included for serviceable lubrication
• Dust boot included with chloroprene rubber (CR) material
• Ball joint assembly included with tapered threaded stud
• Bolt-on mounting design with mounting plate, bolts, nuts, washers, castle nut, and cotter pin included
• Standard replacement grade for direct service use

Detailed Description

Delphi TC2561 is engineered for front lower suspension service where a worn ball joint can affect steering response, tire wear, and suspension stability. Delphi applies OE-focused dimensional and material analysis to help ensure proper fit and consistent operation, and the part is tested across extreme temperature and corrosion conditions to verify durability. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. Fits 1979-1985 Buick Riviera, front lower. Fits 1979-1985 Cadillac Eldorado, front lower. Fits 1980-1985 Cadillac Seville, front lower. Fits 1979-1985 Oldsmobile Toronado, front lower. Fits 1983 Chevrolet S10, front lower. Fits 1983 Chevrolet S10 Blazer, front lower. Fits 1983 GMC S15, front lower. Fits 1983 GMC S15 Jimmy, front lower. Delphi TC2561 is a direct-fit suspension ball joint for front lower replacement on these vehicles.

Common Repair Uses

• Restoring front suspension joint movement after wear or looseness
• Addressing clunking or popping from the lower control arm area
• Correcting steering play caused by a worn ball joint
• Helping reduce uneven front tire wear linked to suspension wear
• Replacing a damaged or corroded front lower ball joint assembly

Installation Notes and Tips

Verify the front lower position and compare the original joint, stud taper, and mounting pattern before installation. The bolt-on design uses four mounting holes and includes the required mounting hardware shown in the product data. After installation, torque fasteners to the vehicle manufacturer’s specifications and perform a front-end alignment.

Quality Assurance

Delphi subjects steering and suspension parts to extreme temperature cycling and extended salt-spray exposure, along with dimensional and material checks for OE-level fit consistency. The TC2561 is built as a standard replacement part for service work on the listed applications.