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FEBI BILSTEIN FEBI BILSTEIN 44531 Coolant Expansion Tank 44531

FEBI BILSTEIN 44531 Coolant Expansion Tank

Compatible with AUDI A6 C6 (4F2) , AUDI A6 C6 Avant (4F5) , AUDI A6 Allroad C6 (4FH) Show more info
FEBI BILSTEIN 44531 coolant expansion tank. Ensures proper coolant system pressure and level management.
27.86 EUR
inc. VAT 21%
In stock 15
Delivery 1 day (18.05.2026)
PN 44531
Make FEBI BILSTEIN
EAN 4027816445319

This FEBI BILSTEIN 44531 coolant expansion tank is designed to maintain the correct pressure within your vehicle's cooling system. It serves as a reservoir for coolant, allowing for expansion and contraction due to temperature changes. Proper functioning of the expansion tank is crucial for preventing overheating and ensuring the longevity of your engine. It helps to keep the coolant at the optimal level, preventing air from entering the system which can lead to corrosion and reduced cooling efficiency. Manufactured by FEBI BILSTEIN, a reputable brand known for quality automotive parts, this expansion tank is built to meet stringent standards. Its durable construction ensures reliable performance and a long service life under demanding engine conditions.

  • Direct fit for specified applications
  • Maintains optimal coolant system pressure
  • Allows for coolant expansion and contraction
  • Prevents air ingress into the cooling system
  • Durable construction for long service life
  • Ensures efficient engine cooling
  • High-quality manufacturing by FEBI BILSTEIN
Number of connections
2
Material
Plastic
Additional article/Additional information
with coolant level sensor
Additional article/Additional info 2
without cap
OE-number
4F0 121 403 M
  • AUDI
    • A6 C6 (4F2)
      • 4.2 quattro (246kW/335PS)
      • 3.0 TDI quattro (165kW/225PS)
      • 3.0 TDI quattro (155kW/211PS)
      • 2.7 TDI (132kW/180PS)
      • 2.7 TDI (120kW/163PS)
      • 2.7 TDI quattro (132kW/180PS)
      • 2.7 TDI quattro (120kW/163PS)
      • 4.2 FSI quattro (257kW/350PS)
      • 3.0 TDI quattro (171kW/233PS)
      • 3.0 quattro (160kW/218PS)
    • A6 C6 Avant (4F5)
      • 2.7 TDI (120kW/163PS)
      • 3.0 TDI quattro (165kW/225PS)
      • 4.2 quattro (246kW/335PS)
      • 3.0 TDI quattro (155kW/211PS)
      • 2.7 TDI (132kW/180PS)
      • 2.7 TDI quattro (132kW/180PS)
      • 2.7 TDI quattro (120kW/163PS)
      • 4.2 FSI quattro (257kW/350PS)
      • 3.0 TDI quattro (171kW/233PS)
      • 3.0 quattro (160kW/218PS)
      • 3.0 (160kW/218PS)
    • A6 Allroad C6 (4FH)
      • 4.2 FSI quattro (257kW/350PS)
      • 3.0 TDI quattro (171kW/233PS)
      • 2.7 TDI quattro (132kW/180PS)
      • 3.0 TDI quattro (155kW/211PS)
      • 2.7 TDI quattro (120kW/163PS)
AUDI
4F0 121 403 4F0 121 403 B 4F0 121 403 F 4F0 121 403 M 4F0 121 403 Q
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