Product Description

Professional-grade Engine Coolant Reservoir (Part Number: 4M0121403C) specifically designed for Audi Q7 (2016-2023). This genuine OEM expansion tank has been thoroughly inspected, tested, and verified by automotive professionals to ensure optimal performance and reliability. The reservoir manages coolant expansion and contraction as your engine heats and cools, maintaining proper cooling system pressure and preventing overheating. Compatible with multiple engine configurations including 3.0 and 4.0 TDI models, this part also fits Audi Q8 (2019-2023) and VW Touareg applications, offering exceptional versatility.

Save significantly compared to dealership new part prices while receiving the same quality and fitment you expect from an OEM component. Each coolant reservoir undergoes rigorous quality control testing to guarantee proper function, structural integrity, and leak-free operation. We stand behind our parts with a perfect fitment guarantee for the specified vehicles. This is an excellent opportunity to maintain your Audi's cooling system with a cost-effective, reliable solution that meets or exceeds original equipment standards. Direct replacement installation ensures hassle-free fitment using your existing mounting points and connections.

  • ✅ 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.