Delphi TC3673 Suspension Ball Joint - Front Right Forward Lower or Front Right Lower

OE-Style Front Right Lower Ball Joint

Delphi TC3673 is a suspension ball joint built for front right lower applications on select Lexus and Toyota vehicles. It combines OE-focused dimensional and material analysis with a steel construction, a sealed dust boot, and a bolt-in mounting design for direct replacement service.

Key Features

• Steel ball joint assembly with black finish
• Fits front right lower and front right forward lower positions, depending on vehicle application
• Threaded tapered stud with 14.0 mm stud thread diameter
• Dust boot included with chloroprene rubber (CR) material
• Castle nut, cotter pin, cotter pin hole, and mounting hardware included
• Standard suspension grade type
• Four-hole bolt-in mounting design
• No grease fitting for a sealed-service setup

Detailed Description

Delphi TC3673 is engineered as a suspension ball joint replacement for Lexus LS460, Lexus LS600h, Lexus LS500, Lexus LS500h, and Toyota Mirai front suspension applications. Delphi validates its steering and suspension parts through extreme temperature exposure and extended salt-spray testing, then applies dimensional and material analysis to match OE fit and function as closely as possible. This part cross-references MOOG Chassis Products K500374 for the same application.

For buyers searching for a front right lower ball joint for 2018-2025 Lexus LS500 or LS500h, or a front right forward lower ball joint for 2009-2017 Lexus LS460, 2008-2016 Lexus LS600h, and 2021-2024 Toyota Mirai, TC3673 provides a direct-fit service option. The steel body, tapered stud, and included dust boot support stable suspension articulation and secure attachment at the steering knuckle.

Common Problems This Part Addresses

• Front suspension looseness or play at the ball joint
• Clunking or knocking from the front right suspension
• Uneven tire wear caused by worn joint movement
• Steering wander or reduced front-end stability
• Boot damage that exposes the joint to contamination

Installation Notes and Tips

• Fits 2018-2025 Lexus LS500, front right lower.
• Fits 2018-2025 Lexus LS500h, front right lower.
• Fits 2021-2024 Toyota Mirai, front right forward lower.
• Fits 2009-2017 Lexus LS460, front right forward lower.
• Fits 2008-2016 Lexus LS600h, front right forward lower.

Confirm the vehicle position before installation, since this part is listed for both front right lower and front right forward lower applications. Inspect the mating control arm, knuckle, and fasteners for wear or damage before assembly, and follow the vehicle service procedure for torque and alignment checks after replacement.

Quality Assurance

Delphi applies OE-based engineering, dimensional verification, and material analysis to support consistent fitment and performance. The part is also tested across severe temperature ranges and extended corrosion exposure to evaluate durability in demanding suspension environments.