Lateral Arm for 2019-2026 Audi A8 Quattro & More - Delphi TC4490

Keep your Audi or Porsche tracking true with the Delphi Lateral Arm TC4490, a rear left lower forward suspension link that locates the wheel and controls lateral movement. It installs as a direct-fit replacement across a wide range of applications, including the 2016-2020 Audi A4, 2016-2024 Audi A4 Quattro, 2017-2024 Audi A4 Allroad, 2018-2024 Audi A5 Quattro, 2018-2020 Audi Q5, 2018-2023 Audi S4 (and 2016), and the 2019-2024 Porsche Cayenne — see the "Vehicles it fits" section for the full list.

• OE-developed engineering: Delphi applies its OE steering and suspension expertise to the aftermarket, using dimensional and material analysis to match the original part.
• Tested to the extreme: validated below -40°C and above 120°C and exposed to 720 hours of salt spray for OE-level performance.
• 100% inspected: every arm undergoes crack detection and ultrasonic flaw detection so the material matches OE specifications.
• Anti-corrosion protection: applied to each part for corrosion prevention and enhanced appearance, and Delphi includes the necessary accessories for a complete job.

Signs this arm may need replacing include clunking or knocking from the rear suspension, uneven tire wear, or loose, imprecise handling. If a worn or damaged lateral arm is the cause, this replaces it. Sold individually.

Interchange: 4M0 505 291 D · 4N0 505 291 · 80A 505 291 · 526-317 · 958 505 291 D
1028230 · PAB505291 · PAB505291A · X01LA0019 · 4M0505291D · 4N0505291 · 80A505291 · 526317 · 958505291D