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Product overview

Genuine OEM Audi Coolant Expansion Tank, part number 4H0121403M. This tank is a vital component of the engine cooling system, designed to hold excess coolant and allow for its thermal expansion and contraction. It helps maintain proper system pressure and coolant levels. Weighing 0.825 kg, this genuine OEM part ensures the correct material composition and pressure resistance for safe and effective coolant management.

Catalogue entry: CONTAINER.

Technical details

Category
Engine Cooling
Country of origin
Italy
Customs (HS) code
87089997
Manufacturer
Audi
Product Type
Genuine new auto parts
Shipping size (L × W × H)
32.5 × 23.5 × 23 cm
Shipping weight
0.83 kg

Specifications

As recorded in the manufacturer’s parts catalogue for this part number.

Equipment codes

  • TW6

PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.

Why buy from WW Spares?

  • ✓ Genuine OEM inventory sourced directly from factory networks
  • ✓ Fitment support from workshop-seasoned parts specialists
  • ✓ Global logistics with customs-ready documentation

Need help confirming compatibility? Talk to a specialist

Parts diagram & fitment

1 vehicle

Reservoir — locate 4H0121403M Audi Coolant Expansion Tank | Engine Cooling in the official exploded view and explore the surrounding assembly.

Parts in this assembly15
Compatible / alternative parts(4)
Vehicle fitment table1

Europe (1)

VehicleYearsPos.Qty
Audi A8L qu. 3.0 TDI2013-2018101

Diagrams & fitment data powered by oemdiagrams.com

4H0121403M Audi Coolant Expansion Tank | Engine Cooling is fitted on: Audi A8L qu. 3.0 TDI 2013-2018.