Delphi TC4524 Suspension Control Arm - Front Left Lower Forward

Brand Delphi TC4524
Position Front Left Lower Forward
Fits Audi and Porsche · 68 vehicles

OE expertise. Applied to the aftermarket steering portfolio for compatibility with OE parts.

Extreme testing. Withstands temperatures below -40 C and over 120 C, plus 720 hours of salt spray.

Suspension control arm. Built as a direct-fit replacement for dependable steering and suspension performance.

Cross-references Mevotech Supreme CMS701204, MOOG Chassis Products RK643620 and 4M0 407 151 F for the same application. See all 11.

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Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Style Front Left Lower Forward Control Arm

Delphi TC4524 is a suspension control arm for the front left lower forward position on select Audi and Porsche applications. It is built using Delphi OE engineering practices and dimensional analysis to support proper fitment on vehicles such as the Audi Q7, Audi Q8, and Porsche Cayenne.

Key Features

  • Front left lower forward suspension control arm
  • OE-focused design for dimensional and material compatibility
  • Tested for temperature extremes below -40 C and above 120 C
  • Exposed to 720 hours of salt spray during validation
  • Delphi part number TC4524 for direct catalog lookup

Fitment Details

  • Fits 2019-2026 Audi A8 Quattro, front left lower forward.
  • Fits 2017-2026 Audi Q7, front left lower forward.
  • Fits 2019-2026 Audi Q8, front left lower forward.
  • Fits 2020-2026 Audi S8, front left lower forward.
  • Fits 2020-2026 Audi SQ7, front left lower forward.
  • Fits 2020-2026 Audi SQ8, front left lower forward.
  • Fits 2025 Audi Q8 e-tron Sportback, front left lower forward.
  • Fits 2019-2025 Porsche Cayenne, front left lower forward.
  • Fits 2024 Audi Q8 e-tron, front left lower forward.
  • Fits 2021-2023 Audi e-tron Quattro, front left lower forward.
  • Fits 2019 Audi e-tron Quattro, front left lower forward.
  • Fits 2022-2023 Audi e-tron S, front left lower forward.
  • Fits 2022-2023 Audi e-tron S Sportback, front left lower forward.
  • Fits 2020-2023 Audi e-tron Sportback, front left lower forward.

This part cross-references MOOG Chassis Products RK643620 for the same application.

What It Helps Address

  • Front suspension looseness at the left lower forward control arm location
  • Clunking or knocking from worn suspension pivot points
  • Uneven tire wear related to front suspension geometry
  • Steering pull or unstable road feel caused by worn control arm components
  • Alignment issues after suspension wear is diagnosed

Installation Notes

Verify the vehicle position before ordering, since this part is specific to the front left lower forward location. Confirm fitment by year, make, and model for Audi Q7, Audi Q8, Audi A8 Quattro, and Porsche Cayenne applications before installation.

Quality Assurance

Delphi applies OE-focused testing and material analysis to its steering and suspension portfolio. This control arm is validated for extreme temperature exposure and salt-spray resistance to support durability in demanding driving conditions.

This part fits 68 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2026AudiA8 QuattroFront Left Lower Forward
2026AudiQ7Front Left Lower Forward
2026AudiQ8Front Left Lower Forward
2026AudiS8Front Left Lower Forward
2026AudiSQ7Front Left Lower Forward
2026AudiSQ8Front Left Lower Forward
2025AudiA8 QuattroFront Left Lower Forward
2025AudiQ7Front Left Lower Forward
2025AudiQ8Front Left Lower Forward
2025AudiQ8 e-tron SportbackFront Left Lower Forward
2025AudiS8Front Left Lower Forward
2025AudiSQ7Front Left Lower Forward
2025AudiSQ8Front Left Lower Forward
2025PorscheCayenneFront Left Lower Forward
2024AudiA8 QuattroFront Left Lower Forward
2024AudiQ7Front Left Lower Forward
2024AudiQ8Front Left Lower Forward
2024AudiQ8 e-tronFront Left Lower Forward
2024AudiS8Front Left Lower Forward
2024AudiSQ7Front Left Lower Forward
2024AudiSQ8Front Left Lower Forward
2024PorscheCayenneFront Left Lower Forward
2023AudiA8 QuattroFront Left Lower Forward
2023Audie-tron QuattroPremiumFront Left Lower Forward
2023Audie-tron SPrestigeFront Left Lower Forward
2023Audie-tron S SportbackPrestigeFront Left Lower Forward
2023Audie-tron SportbackPrestigeFront Left Lower Forward
2023AudiQ7PrestigeFront Left Lower Forward
2023AudiQ8PrestigeFront Left Lower Forward
2023AudiS8Front Left Lower Forward
2023AudiSQ7Front Left Lower Forward
2023AudiSQ8Front Left Lower Forward
2023PorscheCayenneFront Left Lower Forward
2022AudiA8 QuattroFront Left Lower Forward
2022Audie-tron QuattroPremiumFront Left Lower Forward
2022Audie-tron SPrestigeFront Left Lower Forward
2022Audie-tron S SportbackPrestigeFront Left Lower Forward
2022Audie-tron SportbackPrestigeFront Left Lower Forward
2022AudiQ7PrestigeFront Left Lower Forward
2022AudiQ8PrestigeFront Left Lower Forward
2022AudiS8Front Left Lower Forward
2022AudiSQ7Front Left Lower Forward
2022AudiSQ8Front Left Lower Forward
2022PorscheCayenneFront Left Lower Forward
2021AudiA8 QuattroFront Left Lower Forward
2021Audie-tron QuattroPrestigeFront Left Lower Forward
2021Audie-tron SportbackPrestigeFront Left Lower Forward
2021AudiQ7PrestigeFront Left Lower Forward
2021AudiQ8PrestigeFront Left Lower Forward
2021AudiS8Front Left Lower Forward
2021AudiSQ7Front Left Lower Forward
2021AudiSQ8Front Left Lower Forward
2021PorscheCayenneFront Left Lower Forward
2020AudiA8 QuattroFront Left Lower Forward
2020Audie-tron SportbackPrestigeFront Left Lower Forward
2020AudiQ7PrestigeFront Left Lower Forward
2020AudiQ8PrestigeFront Left Lower Forward
2020AudiS8BaseFront Left Lower Forward
2020AudiSQ7Front Left Lower Forward
2020AudiSQ8PrestigeFront Left Lower Forward
2020PorscheCayenneFront Left Lower Forward
2019AudiA8 QuattroFront Left Lower Forward
2019Audie-tron QuattroPrestigeFront Left Lower Forward
2019AudiQ7PrestigeFront Left Lower Forward
2019AudiQ8PrestigeFront Left Lower Forward
2019PorscheCayenneFront Left Lower Forward
2018AudiQ7PrestigeFront Left Lower Forward
2017AudiQ7PrestigeFront Left Lower Forward
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Mevotech Supreme — CMS701204MOOG Chassis Products — RK6436204M0 407 151 F4M0 407 151 J4M0 407 151 M4M0 407 151 R4M0407151D4M0407151E4M0407151H4M0407151L1028273