Delphi TC4670 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Front Left Lower Control Arm Assembly

Delphi TC4670 is a front left lower suspension control arm and ball joint assembly built for direct-fit service on select Audi and Volkswagen EV platforms. It is engineered for the front left lower position and supports precise suspension geometry on the Audi Q4 e-tron, Audi Q4 e-tron Sportback, and Volkswagen ID.4.

Key Features

• Front left lower suspension control arm and ball joint assembly
• Fits 2022-2025 Audi Q4 e-tron, front left lower
• Fits 2022-2025 Audi Q4 e-tron Sportback, front left lower
• Fits 2021-2024 Volkswagen ID.4, front left lower
• Delphi part number TC4670 for catalog and service matching
• OE-focused dimensional and material analysis for fitment consistency
• Tested for temperature extremes and extended salt-spray exposure

Detailed Description

Delphi TC4670 is a suspension control arm and ball joint assembly for the front left lower position. It is listed for 2022-2025 Audi Q4 e-tron, 2022-2025 Audi Q4 e-tron Sportback, and 2021-2024 Volkswagen ID.4, making it a direct replacement option for EV front suspension service where accurate alignment and joint articulation matter. Delphi applies OE-level engineering methods to its aftermarket steering and suspension portfolio, including dimensional and material analysis to help maintain proper part-to-vehicle compatibility. The part is also validated through environmental testing that includes sub-zero and high-heat exposure, plus prolonged salt-spray testing for corrosion resistance evaluation. If you are sourcing TC4670 for an Audi Q4 e-tron or Volkswagen ID.4 front suspension repair, this assembly provides a cataloged OE-style replacement path.

This part cross-references Suspensia X52CJ1456 for the same application.

Common Repair Uses

• Restores worn front left lower suspension support
• Addresses looseness or play at the lower control arm and ball joint
• Helps correct clunking or knocking from the front suspension
• Supports proper wheel alignment after suspension wear
• Replaces a damaged OE-style front left lower assembly

Installation Notes and Tips

Verify the front left lower position and confirm vehicle fitment by year, make, and model before installation. After replacement, perform a professional wheel alignment to confirm suspension geometry and steering response. Inspect adjacent bushings, fasteners, and related front-end components for wear during service.

Quality Assurance

Delphi uses OE-focused testing and engineering for its aftermarket steering and suspension parts. TC4670 is evaluated for temperature extremes from below -40 degrees C to above 120 degrees C and exposed to 720 hours of salt spray to assess durability under demanding conditions.