Expansion Tank for Radiator Coolant with Sensor for Audi A6 C8
Enhance your Audi A6 C8 and A7 Sportback cooling system with the MAX NOLOGY Radiator Coolant Expansion Tank. This 100% new tank is designed to replace a worn or cracked expansion reservoir, helping to maintain proper coolant pressure, prevent leaks, and keep your engine running at the right temperature. It features a coolant level sensor for proactive monitoring and is built to OEM standards for reliable performance in daily driving and demanding conditions. Note: this unit is supplied without a cap but includes the sensor for accurate level detection.
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Benefits & Tips
- Direct replacement that matches OEM specifications, reducing the risk of coolant leaks and air entering the cooling system.
- Integrated coolant level sensor helps you catch low-level issues early and prevents overheating.
- Simple, straightforward installation as a like-for-like part that fits the listed Audi models without additional wiring or adapters.
Product specifications
- Brand: MAX NOLOGY
- Item: Expansion Tank, Radiator Coolant
- OEM No.: 4K0121405K, 4K0121405AB
- Origin: Mainland China
- Condition: 100% New Product
- Material: Plastic and rubber
- Includes: 1 piece of Tank
- Remark: without cap, with coolant level sensor
- Direct replacement
- Warranty: 3 years or 50,000 kilometers under normal use
- Vehicle Fitment: For AUDI A6 C8, A7 Sportback 2.0L
- Compatible models (selected):
- A6 Allroad C8 (4AH) 40 TDI Mild Hybrid quattro — 2020-
- A6 C8 (4A2) 40 TDI Mild Hybrid — 2019-
- A6 C8 (4A2) 50 TFSI — 2021-
- A6 C8 Avant (4A5) 40 TFSI — 2020-
- A7 Sportback (4KA) 50 TFSI — 2021-
- A7 Sportback (4KA) 55 TFSI — 2019-
Package includes:
- 1 piece of Tank
Warnings / Reminders
- Warranty: 3 years or 50,000 kilometers, whichever comes first.
- To ensure accurate fitment, please provide your VIN to confirm compatibility.
- If the item arrives damaged, contact us for exchange or refund and include photos of the damage with the waybill number.