Startseite » Radiator Coolant Expansion Tank for Audi A4 B8, A5, Q5 with Coolant Level Sensor

Radiator Coolant Expansion Tank for Audi A4 B8, A5, Q5 with Coolant Level Sensor

SKU: 1005009572865355-Default Title
Default Title
€117,02
-33% €175,53 €117,02

Keep your Audi cooling system reliable with the MAX NOLOGY Radiator Coolant Expansion Tank, expertly designed for Audi A4 B8, A5, and Q5 models. This 100% new tank replaces worn or cracked reservoirs in 2.7TDI and 3.0TDI engines, providing a direct, no-fuss replacement. It ships without a cap but includes a coolant level sensor for accurate readings, helping you monitor coolant levels and prevent overheating. Built to meet OEM standards from durable plastic and rubber, this expansion tank fits seamlessly with OEM numbers 8K0121405E, 8K0121405R, 8K0121405P, 8K0121405M, and 8K0121405G.

Designed for compatibility with:

  • A4 B8 (2007-2015) 2.7 TDi / 3.0 TDi
  • A5 (2011-2017) 3.0 TDi
  • Q5 (2008-2017) 3.0 TDi, including SQ5 TDi

The tank’s simple, direct replacement workflow means you can restore cooling system integrity without major modifications. The integrated coolant level sensor provides real-time readings and helps prevent overflows or low-coolant situations that can lead to engine damage. Rely on a component built to the same standards as your vehicle’s original parts for a dependable repair or maintenance upgrade.

Benefits & Tips

  • Restore cooling system reliability with a direct-fit replacement that mirrors OEM dimensions and connections.
  • Use the coolant level sensor reading to maintain proper coolant levels and catch leaks early.
  • After installation, bleed the cooling system and top up coolant to the recommended level. Note: cap is not included; replace with your existing cap or purchase one separately.

Product specifications

  • Brand: MAX NOLOGY
  • Product: Radiator Coolant Expansion Tank
  • OEM No.: 8K0121405E, 8K0121405R, 8K0121405P, 8K0121405M, 8K0121405G
  • Vehicle Fitment: A4 B8 (2007-2015) 2.7 TDi / 3.0 TDi; A5 (2011-2017) 3.0 TDi; Q5 (2008-2017) 3.0 TDi; SQ5 TDi
  • Material: Plastic and rubber
  • Condition: 100% New
  • Includes: 1 piece Tank (without cap, with coolant level sensor)
  • Origin: Mainland China
  • Warranty: 3 years under normal use

Package includes:

  • 1 x Radiator Coolant Expansion Tank

Warnings/Reminders

  • Warranty is 3 years from parcel delivery or 50,000 kilometers, whichever comes first; the later date determines the standard for warranty coverage.
  • For quality issues, provide fault codes, photos or videos. After installation, share the current odometer reading for warranty records.
  • If the item is damaged on arrival, contact us for exchange or refund and include photos showing the damage and the waybill information.
  • To avoid delays, confirm this is the correct part for your vehicle before purchasing. If you’re unsure, provide your VIN to verify fitment.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

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