Delphi TC6943 Suspension Control Arm - Rear Upper Rearward

Delphi Rear Upper Rearward Control Arm

The Delphi TC6943 suspension control arm is a standard replacement for select Lexus rear suspension applications. Built with a steel profile arm, rubber bushings, and adjustable geometry, it supports precise rear suspension alignment on Lexus GS350, IS250, IS200t, IS300, IS350, and RC350 models.

Key Features

• Delphi OE-style suspension control arm for rear upper rearward position
• Steel construction with casting/forged design for strength and fit consistency
• Adjustable design for alignment correction
• Rubber bushings included; black bushing and arm finish
• Standard replacement part number TC6943
• Dimensions: 14.0 in. length, 49.78 mm width, 76.2 mm height

Detailed Description

Delphi TC6943 is engineered for the rear upper rearward suspension location and is built to match OE dimensional and material requirements. Delphi applies its OE-focused testing and analysis to the aftermarket steering and suspension portfolio, including exposure to extreme temperature cycling and salt spray testing for durability. This control arm is designed for direct replacement service on 2013-2020 Lexus GS350, 2014-2015 Lexus IS250, 2014-2019 Lexus IS350, 2016-2017 Lexus IS200t, 2016-2019 Lexus IS300, and 2015-2022 Lexus RC350 rear upper rearward applications. This part cross-references MOOG Chassis Products RK100208 for the same application.

Common Problems This Part Helps Address

• Rear suspension looseness or instability
• Excessive play from worn control arm bushings
• Alignment drift in the rear upper rearward suspension position
• Uneven tire wear related to rear suspension geometry
• Noisy or clunking rear suspension movement

Installation Notes and Tips

Verify the rear upper rearward position before installation and compare the original arm length, mounting hole spacing, and bushing orientation to the replacement part. Because mounting hardware is not included, reuse or source the correct hardware as needed. An alignment check is recommended after installation to confirm rear suspension geometry on Lexus GS350, IS250, IS200t, IS300, IS350, and RC350 models.

Quality Assurance

Delphi uses OE dimensional and material analysis to support fit and function, and its suspension components are tested for temperature extremes and corrosion resistance. Part number TC6943 is built as a standard replacement control arm for consistent service in the rear suspension system.