Delphi TC4191 Suspension Ball Joint - Front Lower

Delphi TC4191 Front Lower Ball Joint

Delphi TC4191 is a front lower suspension ball joint built as a standard replacement for select Toyota and Lexus applications. It is pre-greased, includes a dust boot, and uses a press-in mounting design for OE-style service on the front suspension.

Key Features

• Front lower suspension ball joint for Toyota Tundra, Toyota Sequoia, Toyota Land Cruiser, and Lexus LX570 applications
• Standard replacement design with a press-in mounting type
• Pre-greased with a rubber dust boot for added joint protection
• Includes castle nut, cotter pin, cotter pin hole, and mounting hardware
• Counterclockwise (left) thread direction with threaded stud design
• Plastic bearing type and non-greaseable construction
• OE-focused dimensional and material analysis for fitment consistency

Detailed Description

Delphi TC4191 is engineered for front lower suspension service where precise steering response and stable suspension articulation matter. It is a press-in ball joint with a threaded stud, standard replacement grade, and OE-oriented dimensions for select Toyota Tundra, Toyota Sequoia, Toyota Land Cruiser, and Lexus LX570 models. Delphi validates its steering and suspension components through temperature and corrosion testing, including exposure to extreme heat, sub-zero conditions, and extended salt spray, to support long-term durability in demanding road environments.

This part cross-references MOOG Chassis Products K500224 for the same application. Delphi TC4191 is also listed among OE-style replacement options for front lower service on Toyota Tundra and Toyota Sequoia platforms.

What It Helps Address

• Front-end looseness or play from a worn lower ball joint
• Clunking or knocking noises from the front suspension
• Uneven steering feel during turning or braking
• Suspension articulation issues caused by joint wear
• Restoration of OE-style front lower suspension geometry

Installation Notes and Tips

Fits 2008-2022 Toyota Sequoia, Front Lower. Fits 2007-2022 Toyota Tundra, Front Lower. Fits 2013-2021 Lexus LX570, Front Lower. Fits 2008-2011 Lexus LX570, Front Lower. Fits 2013-2021 Toyota Land Cruiser, Front Lower. Fits 2008-2011 Toyota Land Cruiser, Front Lower.

Confirm the press-in style, left-hand thread direction, and front lower position before installation. Inspect the surrounding control arm and mounting bore for wear or damage, and verify stud taper and hardware alignment during assembly. Professional installation and a post-service alignment are recommended after suspension work.

Quality Assurance

Delphi applies OE-focused engineering and dimensional analysis to help match aftermarket fitment to original equipment requirements. The part is tested for temperature extremes and corrosion resistance to support dependable suspension performance in daily driving and harsh conditions.