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Genuine OEM & performance parts — ships to United States

Product overview

Genuine OEM Audi Lower Engine Coolant Hose, part number 4S0121545C. This hose is a critical component of the engine cooling system, responsible for circulating coolant to maintain optimal engine operating temperatures. It is specifically located on the lower left side of the engine bay, connecting to the radiator. Constructed from high-quality, heat-resistant rubber with a protective textile sleeve, it measures approximately 26 cm in length. Using a genuine OEM coolant hose ensures precise routing, resistance to extreme temperatures and pressures, preventing leaks and maintaining cooling system integrity.

Catalogue entry: HOSE left lower.

Technical details

Category
Engine Cooling
Customs (HS) code
40093100
Manufacturer
Audi
Product Type
Genuine new auto parts
Shipping size (L × W × H)
26 × 11 × 5.5 cm
Shipping weight
0.12 kg

Specifications

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

Equipment codes

  • 1X1

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

Coolant Hose — locate 4S0121545C Audi Lower Engine Coolant Hose | Left Side in the official exploded view and explore the surrounding assembly.

Parts in this assembly23
Vehicle fitment table1

Europe (1)

VehicleYearsPos.QtyRemarkPR
Audi R8 Spyder2015-20241911X1

Diagrams & fitment data powered by oemdiagrams.com

4S0121545C Audi Lower Engine Coolant Hose | Left Side is fitted on: Audi R8 Spyder 2015-2024.