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Genuine OEM & performance parts — ships to United States

Product overview

Genuine OEM Audi Coolant Reservoir Breather Line, part number 4K0121081CK. This line is crucial for regulating pressure within the cooling system by allowing air to enter and exit the coolant reservoir. It connects directly to the coolant expansion tank, facilitating proper fluid dynamics. Weighing approximately 0.05 kg and measuring 0.615 meters in length, this line is designed for precise fitment. Choosing a genuine OEM breather line ensures the correct material composition and internal diameter, preventing leaks and maintaining the integrity of the cooling system's pressure balance.

Catalogue entry: LINE.

Technical details

Category
Engine Cooling
Customs (HS) code
40093100
Manufacturer
Audi
Product Type
Genuine new auto parts
Shipping size (L × W × H)
61.5 × 28 × 4 cm
Shipping weight
0.05 kg

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

2 vehicles

Breather Line — locate 4K0121081CK Audi Coolant Reservoir Breather Line | Genuine OEM in the official exploded view and explore the surrounding assembly.

Parts in this assembly48
Vehicle fitment table2

Europe (2)

VehicleYearsPos.Qty
audi a6 2.02018-11
Audi A7 Sportback2018-11

Diagrams & fitment data powered by oemdiagrams.com

4K0121081CK Audi Coolant Reservoir Breather Line | Genuine OEM is fitted on: audi a6 2.0 2018-; Audi A7 Sportback 2018-.