Delphi TC3840 Suspension Control Arm - Rear Lower Rearward

OE-Style Rear Lower Rearward Control Arm

Delphi TC3840 is a stamped steel suspension control arm for the rear lower rearward position. It is built as a standard replacement part with a painted black finish and included rubber bushings for direct service on select Audi and Volkswagen applications.

Fits 2019-2021 Audi Q3, rear lower rearward. Fits 2019-2021 Volkswagen Arteon, rear lower rearward. Fits 2018-2020 Volkswagen Tiguan, rear lower rearward.

Key Features

• Stamped steel construction for OE-style strength and fit
• Painted black finish
• Rubber bushings included
• Standard replacement design
• Bent arm shape for the specified rear lower rearward position
• Not adjustable
• No grease fitting included
• Not pre-greased

Detailed Description

The Delphi TC3840 suspension control arm is engineered for the rear lower rearward location and built to match the dimensional and material requirements of the original part. Delphi applies OE-focused testing and analysis to its aftermarket steering and suspension portfolio, including exposure to extreme temperatures and extended salt-spray testing to evaluate durability. This makes the TC3840 a practical replacement for worn rear suspension hardware on the Audi Q3, Volkswagen Arteon, and Volkswagen Tiguan.

This part cross-references 527092 and 1028098 for the same application. If you are searching for a rear lower rearward control arm for 2019-2021 Audi Q3, 2019-2021 Volkswagen Arteon, or 2018-2020 Volkswagen Tiguan, Delphi TC3840 is the direct replacement to compare against OE specifications.

Common Problems This Part Can Address

• Excessive rear suspension play
• Clunking or knocking from the rear suspension
• Uneven tire wear caused by worn control arm bushings
• Loose or unstable rear-end handling
• Cracked or deteriorated rubber bushings

Installation Notes and Tips

Verify the rear lower rearward position before ordering, since this control arm is not adjustable and is specific to the listed fitments. Mounting hardware is not included, so inspect existing fasteners and related suspension components before installation. A professional alignment is recommended after replacement to confirm rear suspension geometry.

Quality Assurance

Delphi uses OE-based dimensional and material analysis to help ensure proper fit and function, and its parts are tested for temperature extremes and salt-spray exposure to evaluate corrosion resistance and durability. The TC3840 is a standard replacement suspension control arm built to OE-style expectations for the listed Audi and Volkswagen applications.