Expansion Tank With Coolant Level Sensor Direct Replacement for Audi A4 B9 A5 2.0T

Restore and safeguard your Audi’s cooling system with the MAX NOLOGY Expansion Tank with Coolant Level Sensor, crafted for the Audi A4 B9 and A5 2.0 TFSI. This 100% new radiator coolant expansion tank is designed as a direct replacement, featuring a durable plastic and rubber body and an integrated coolant level sensor to help you monitor levels and prevent overheating before it starts. It fits a range of OEM configurations (8W0121405G, 8W0121405A, 8W0121405E, 8W0121405F, 8W0121405L) and is built to meet OEM standards for a reliable, drop-in fit. Note: the tank is supplied without cap.

Designed specifically for performance-minded drivers, this expansion tank keeps coolant in the right place so you won’t lose cooling efficiency due to leaks or low coolant levels. The built-in level sensor provides peace of mind by alerting you to low coolant before engine heat becomes a problem, helping you avoid costly repairs and inconvenient breakdowns. The part is manufactured to suit A4 B9 (2015-) and A5 (2020-) 2.0 TFSI family vehicles, including compatible variants listed in the fitment range.

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

Language support: Not specified for this product. If you have questions about fitment, please contact us with your VIN to confirm compatibility and ensure the correct part is selected.

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Benefits & Tips

• Efficient monitoring: The integrated coolant level sensor continually checks your reservoir level and provides alerts, helping you maintain optimal coolant flow and engine temperature.
• Direct replacement: Designed to match OEM specifications for a straightforward swap, reducing downtime and the risk of mismatched fittings.
• Leak prevention: A robust plastic-rubber combo resists cracking and leaks, helping protect the cooling system from common wear-and-tear.

Product Specifications

• Brand: MAX NOLOGY
• Item: Expansion Tank (Radiator Coolant Expansion Tank)
• Condition: 100% New
• OEM No.: 8W0121405G, 8W0121405A, 8W0121405E, 8W0121405F, 8W0121405L
• Vehicle Fitment: For AUDI A4 B9, A5 2.0TFSI (A4 B9 8W 2015-, A5 2020- 2.0 TFSI)
• Material: Plastic and Rubber
• Includes: 1 piece of Tank
• Origin: Mainland China
• Warranty: 3 years or 50,000 kilometers
• Remark: Without cap, with coolant level sensor

Package Includes

• 1 piece of expansion tank

Warnings / Reminders

• This expansion tank is supplied without a cap. Verify compatibility and transfer or reuse your existing cap if required.
• For accurate fitment confirmation, especially if you’re unsure about the exact part number, please provide your vehicle’s VIN when contacting us.
• Warranty terms: 3-year or 50,000 km coverage; follow the warranty policy details for claims and process.