Genuine Audi Reservoir Tank 4F0121403N OEM A6 C6 Authorized Dealer - Audi (4F0-121-403-N)
2005-2011 Audi - 4f0121403n
Genuine Audi Reservoir Tank 4F0121403N OEM A6 C6 Authorized Dealer - Audi (4F0-121-403-N)
2005-2011 Audi - 4f0121403n
- Audi
- 4F0-121-403-N
- 4f0121403c, 4f0121403g
Details
- Brand:
- SKU:
4F0-121-403-N
- Other Names:
Expansion Tank, Reservoir Tank, Tank
- Description:
Genuine Audi Reservoir Tank is the OEM-engineered coolant expansion tank designed specifically for the Audi A6 equipped with 3.0L and 3.2L engines. Also referred to as an expansion tank, this component plays a critical role in your cooling system by storing and releasing coolant as engine temperatures fluctuate, maintaining consistent pressure and preventing dangerous overheating cycles. Choosing a genuine Audi A6 OEM Reservoir Tank over an aftermarket alternative matters more than most drivers realize. Coolant expansion tanks must withstand constant thermal stress, pressure changes, and chemical exposure from engine coolant over years of use. Aftermarket versions frequently use inferior plastics that become brittle, develop micro-cracks, or fail at seams prematurely — leading to coolant loss and potential engine damage. The OEM part 4F0121403N is manufactured to Audi's exact material and pressure specifications, ensuring a precise fit with OEM hose connections and consistent performance throughout the vehicle's service life. It installs without modification and integrates seamlessly with your A6's existing cooling system components. Whether you're replacing a cracked tank or performing proactive maintenance, sourcing the correct part matters for long-term reliability. Audi Henderson is an authorized Audi dealer, and every genuine OEM part purchase comes backed by the manufacturer's warranty for your complete peace of mind.
- Applications: 3.0L, 3.2L (V6).
- Replaces:
4f0121403c, 4f0121403g
California Proposition 65
WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov - MSRP: $107.99
- Discount: $34.13 (31.6% off)
- Sale Price: $73.86
- Audi
- 4F0-121-403-N
- 4f0121403c, 4f0121403g
Details
- Brand:
- SKU:
4F0-121-403-N
- Other Names:
Expansion Tank, Reservoir Tank, Tank
- Description:
Genuine Audi Reservoir Tank is the OEM-engineered coolant expansion tank designed specifically for the Audi A6 equipped with 3.0L and 3.2L engines. Also referred to as an expansion tank, this component plays a critical role in your cooling system by storing and releasing coolant as engine temperatures fluctuate, maintaining consistent pressure and preventing dangerous overheating cycles. Choosing a genuine Audi A6 OEM Reservoir Tank over an aftermarket alternative matters more than most drivers realize. Coolant expansion tanks must withstand constant thermal stress, pressure changes, and chemical exposure from engine coolant over years of use. Aftermarket versions frequently use inferior plastics that become brittle, develop micro-cracks, or fail at seams prematurely — leading to coolant loss and potential engine damage. The OEM part 4F0121403N is manufactured to Audi's exact material and pressure specifications, ensuring a precise fit with OEM hose connections and consistent performance throughout the vehicle's service life. It installs without modification and integrates seamlessly with your A6's existing cooling system components. Whether you're replacing a cracked tank or performing proactive maintenance, sourcing the correct part matters for long-term reliability. Audi Henderson is an authorized Audi dealer, and every genuine OEM part purchase comes backed by the manufacturer's warranty for your complete peace of mind.
- Applications: 3.0L, 3.2L (V6).
- Replaces:
4f0121403c, 4f0121403g
California Proposition 65
WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov Also Purchased
Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
AUDI HENDERSON
Welcome to Audi OEM Parts, your number one source for all things Audi. We're dedicated to providing you the very best parts and accessories, with an emphasis on OEM fitment.
You can order your Genuine Audi Reservoir Tank 4F0121403N OEM A6 C6 Authorized Dealer (4f0121403n) right now and have it delivered to your home or work in just a matter of days. Guaranteed to fit your 2005-2011 Audi vehicle and we also offer a VIN verification system at checkout.
If you would like to browse your vehicle's specific OEM parts catalog, you can do so by first selecting what model you drive.
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Audi
AudiOEMParts.com is operated by Audi Henderson, an authorized Audi dealership and part of the Findlay Automotive Group in Henderson, NV. We stock genuine Audi OEM parts and accessories for every model — A3, A4, A5, A6, A7, A8, Q3, Q5, Q7, Q8, TT, R8, e-tron, and beyond.
Every part ships directly from factory inventory with full Audi manufacturer warranty. No aftermarket substitutes. No compatibility guessing. Exact fit, every time.
Order online and ship nationwide. Same parts Audi technicians use, at authorized dealer pricing, with the speed of online ordering. Questions? Call 888-448-6114 or email [email protected].