Radiator Coolant Expansion Tank With Level Sensor for Audi Q7 Q8 and VW Touareg 2.0T

Keep your cooling system reliable with the MAX NOLOGY Radiator Coolant Expansion Tank, a precise direct replacement designed for Audi Q7, Q8 and VW Touareg 2.0T models. This 100% new tank features a durable plastic and rubber body, engineered to resist heat, vibration, and coolant pressure. It ships without a cap but includes a built-in coolant level sensor, so you can monitor your level at a glance and catch leaks before they cause engine trouble. Built to OEM standards, it ensures the same connections and mounting points as the original part for an easy, secure installation.

Compatibility note: For Audi Q7 2.0T (2016-), Audi Q8 2.0T (2019-), and VW Touareg 2.0T (2018-). OEM numbers: 4M0121403F, 4M0121403D, 4M0121403H. The kit includes 1 piece of expansion tank. Warranty: 3 years or 50,000 kilometers, under normal use.

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Benefits & Tips

• Restores proper coolant storage and level monitoring, helping prevent engine overheating and cooling system failures.
• With the integrated level sensor, you’ll receive an accurate coolant level reading, making it easier to schedule maintenance before low-coolant conditions arise.
• Simple, direct replacement that reuses OEM mounting points and fittings for a smooth installation, minimizing downtime.

Product specifications

• Brand: MAX NOLOGY
• Item: Expansion Tank (Radiator Coolant Expansion Tank)
• Vehicle fitment: For AUDI Q7, Q8 / VW Touareg
• OEM No.: 4M0121403F, 4M0121403D, 4M0121403H
• Material: Plastic and rubber
• Condition: 100% New Product
• Includes: 1 piece of Tank
• Model notes: Without cap, with coolant level sensor
• Warranty: 3 years or 50,000 kilometers
• Origin: Mainland China
• Direct replacement: Yes

Package includes:

• 1 x Radiator Coolant Expansion Tank (without cap, with coolant level sensor)

Warnings / Reminders

• If you are unsure or have questions regarding the correct part for your car, please contact us. To ensure a fast and accurate response, please send the VIN of your vehicle to confirm parts fitment. VIN is 17 characters long and can be found on the lower corner of the windshield or the vehicle registration certificate.
• Warranty policy: 3-year warranty from parcel delivery date or 50,000 kilometers driven, whichever comes first. If a quality issue occurs, provide fault codes, photos or videos. For items damaged on arrival, contact us for exchange or refund with photos showing the package and damage.
• To avoid wasted time and money, please confirm this is the correct product for your vehicle before purchase.