Delphi TC4020 Suspension Control Arm and Ball Joint Assembly - Front Right

OE-Style Front Right Control Arm Assembly

Delphi TC4020 is a front right suspension control arm and ball joint assembly built for direct replacement service on select Ford, Lincoln applications. It combines the control arm, ball joint, bushings, dust boot, and mounting hardware in one premium assembly for a cleaner repair on the front suspension.

Compatible with 2010-2012 Ford Flex, front right; 2010-2012 Ford Taurus, front right; 2009-2012 Lincoln MKS, front right; and 2010-2012 Lincoln MKT, front right.

Key Features

• Part number: TC4020
• Front right position
• Cast iron control arm with casting/forged construction
• Pre-greased ball joint with threaded stud
• Bushings, dust boot, and mounting hardware included
• Black painted finish
• Premium grade replacement
• Non-adjustable design
• Clockwise (right) thread direction

Detailed Description

Delphi applies OE-focused engineering to this suspension control arm and ball joint assembly, using dimensional and material analysis to match the original fit and function more closely. The TC4020 features a cast iron arm, rubber bushings, a chloroprene rubber dust boot, and a machined ball joint mounting design for dependable front suspension service. It is pre-greased and includes a locking nut, helping streamline replacement on Ford Flex, Ford Taurus, Lincoln MKS, and Lincoln MKT front right applications.

This part cross-references MOOG Chassis Products RK621132 for the same application.

What This Part Helps Address

• Front-end clunking from worn ball joint or bushings
• Uneven tire wear caused by suspension looseness
• Steering wander or imprecise road feel
• Excess play in the front right suspension
• Noise over bumps from a fatigued control arm assembly

Installation Notes and Tips

• Install on the front right side only.
• Verify vehicle year, make, model, and suspension configuration before ordering.
• Inspect related components such as the opposite control arm, tie rods, and alignment settings during service.
• Professional alignment is recommended after installation.
• Confirm fastener torque to factory specifications.

Quality Assurance

Delphi subjects its OE-based steering and suspension parts to extreme temperature testing from below -40 degrees C to above 120 degrees C, along with 720 hours of salt spray exposure. The brand also uses dimensional and material analysis to support OE-to-aftermarket compatibility.