Delphi TC6543 Suspension Ball Joint - Front Upper

Delphi TC6543 Front Upper Ball Joint

Delphi TC6543 is a standard replacement suspension ball joint for front upper applications on select Mazda B2000 and Ford Courier models. Built with OE-focused dimensional and material analysis, it is made to match the fit and function expected in everyday steering and suspension service.

Key Features

• Front upper suspension ball joint for select Mazda B2000 and Ford Courier applications
• Standard replacement design with bolt-on mounting type
• Ball joint assembly included with dust boot and mounting hardware
• SAE1045 SCM440 material construction with electrophoresis finish
• Tapered stud design for secure suspension connection
• Delphi part number TC6543 for catalog and service reference

Detailed Description

Delphi TC6543 is engineered for front upper suspension service where precise joint movement and stable steering response matter. Delphi applies OE-level testing and dimensional checks to support proper compatibility between the replacement part and the original suspension geometry. This ball joint is built for vehicles that need a direct replacement solution for worn upper suspension joints, including 1979-1981 Mazda B2000 and 1972-1980 Ford Courier front upper applications. This part cross-references Monroe Shocks & Struts (e.g., 3874-99-354, 60399354) for the same application.

Common Problems It Can Help Address

• Front-end looseness or play from a worn upper ball joint
• Clunking or knocking noises from suspension movement
• Uneven tire wear caused by suspension joint wear
• Steering wander or reduced directional stability
• Excessive suspension articulation resistance from a deteriorated joint

Installation Notes and Tips

• Fits 1979-1981 Mazda B2000, front upper.
• Fits 1972-1980 Ford Courier, front upper.
• Confirm mounting hole spacing, stud taper, and bolt-on orientation before installation.
• Inspect surrounding suspension components, including bushings and control arm condition, during service.
• Use proper torque specifications and alignment procedures after replacement.

Quality Assurance

Delphi subjects its steering and suspension parts to extreme temperature and corrosion testing, including sub-zero and high-heat exposure plus extended salt-spray evaluation. That testing, along with OE-based dimensional and material analysis, supports consistent service fit and performance for the Delphi TC6543 ball joint.