Product Description

Genuine OEM Audi HVAC Duct Adapter (Part Number: 4M1858431) designed specifically for your Audi Q7. This authentic factory part serves as the air distribution housing intermediate plate, connecting the heater to the engine compartment's air inlet system. Manufactured to Audi's exact specifications, this duct adapter is constructed from durable materials engineered to withstand high temperatures, airflow, and pressure for reliable long-term performance. As a verified OEM component, it guarantees perfect fitment and seamless integration with your vehicle's climate control system.

This professionally tested and verified part offers exceptional value compared to purchasing new from the dealership, while maintaining the quality and reliability you expect from genuine Audi components. Compatible with 2017-2025 Audi Q7 models (also fits Q8, SQ7, SQ8, and RSQ8 variants), this HVAC duct adapter ensures your vehicle's heating and air conditioning system operates at peak efficiency. Save money without compromising on quality or fitment—backed by our commitment to delivering authentic OEM parts that meet or exceed factory standards.

  • ✅ 100% tested and verified By Blackline Auto's Quality Team
  • ✅ Genuine OEM, Excellent Condition, inspected and approved
  • ✅ Easy installation

Payment, Shipping & Returns

  •  Payment Policy: We accept only online payment methods, and you can choose any of the options provided by eBay at the time of checkout. If you have any queries or if you require any clarification, please contact us through eBay messaging service.
  •  Shipping Policy: We provide Shipping worldwide to most of the countries using reputed couriers like DHL, FedEx or Aramex.
  •  International Buyers Policy: Import Duties, Taxes and charges are not included in the item price or shipping cost.
  •  Return Policy: We accept 14 days returns. Please clarify all your doubts before purchase.
  •  Handling Time: All packages are shipped within 3 working days.

Trusted by professionals, Blackline Autos supplies premium components for luxury vehicles.
Please confirm the part number before purchase. For compatibility checks or bulk orders, feel free to contact us.