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Coolant Expansion Tank
GENUINE VW/AUDI Coolant Expansion Tank - 4E0-121-403 G
Coolant Expansion Tank
GENUINE VW/AUDI Coolant Expansion Tank - 4E0-121-403 G

Genuine VW/Audi Coolant Expansion Tank 4 E0 121 403 G

GENUINE VW/AUDI
Disponibilidad:
en stock, listo para ser enviado
SKU 4E0-121-403 G
$113.99 - $113.99
$113.99
$113.99 - $113.99
$113.99
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We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

This genuine VW/Audi coolant expansion tank is a direct OEM replacement for maintaining proper coolant level and pressure. It is made from durable, heat-resistant plastic to withstand high underhood temperatures. Ensures reliable cooling system operation across various Audi and Volkswagen models.

Key Features & Benefits

  • OEM Quality: Exact fit and function as original equipment.
  • Durable Construction: High-density plastic resists cracking and warping.
  • Pressure-Rated: Designed to handle cooling system pressure for years.

Technical Specifications

Part Number 4E0121403G
Type Coolant Expansion Tank
Material Plastic

Installation Notes

Remove the old tank, transfer any sensor or cap, and install the new tank; then refill coolant and bleed the system.

About Genuine VW/Audi

Genuine VW/Audi parts are manufactured to the exact specifications of Volkswagen and Audi, ensuring OEM quality fit and performance.

This part also goes by the following cross reference.

Cross Reference Part Number: 4E0121403G

Fits These Vehicles 2 applications
Audi
Make Model Engine Years
Audi A8 Quattro 2003–2004
Audi A8 Quattro 4.2L V8 2005–2009

Fitment data last updated: 2026-07-18

Euromotiv is an independent retailer of OEM, Genuine, and aftermarket automotive parts. We are not affiliated with, endorsed by, or authorized by Audi AG, Volkswagen AG, BMW AG, Mercedes-Benz Group AG, Dr. Ing. h.c. F. Porsche AG, MINI, or any other vehicle manufacturer. All trademarks, logos, and brand names are the property of their respective owners and are used solely for identification and compatibility purposes.