KPALAG engine coolant overflow hose installed on Audi A6 A7 assembly view, ready for installation
KPALAG hose end fittings close-up for secure radiator to overflow connections
KPALAG PA12 rubber texture close-up showing durable flexible material
KPALAG hose bending flexibility inside tight engine bay
KPALAG installation guide image showing straightforward replacement steps
KPALAG lightweight hose design reducing load in engine compartment
KPALAG hose demonstrates temperature resistance for automotive cooling
KPALAG packaging image with included parts and fit guidance
KPALAG engine coolant overflow hose installed on Audi A6 A7 assembly view, ready for installation
KPALAG hose end fittings close-up for secure radiator to overflow connections
KPALAG PA12 rubber texture close-up showing durable flexible material
KPALAG hose bending flexibility inside tight engine bay
KPALAG installation guide image showing straightforward replacement steps
KPALAG lightweight hose design reducing load in engine compartment
KPALAG hose demonstrates temperature resistance for automotive cooling
KPALAG packaging image with included parts and fit guidance

KPALAG Engine Coolant Overflow Hose for Audi A6/A7 Quattro (2012-2018) – 4G0121081AE/CT

Overview Introducing the KPALAG Engine Coolant Overflow Hose, a purpose built replacement designed for select Audi A6...
Vendor: KPALAG
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£27.54
£27.54
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KPALAG engine coolant overflow hose installed on Audi A6 A7 assembly view, ready for installation

KPALAG Engine Coolant Overflow Hose for Audi A6/A7 Quattro (2012-2018) – 4G0121081AE/CT

£27.54
KPALAG engine coolant overflow hose installed on Audi A6 A7 assembly view, ready for installation
KPALAG hose end fittings close-up for secure radiator to overflow connections
KPALAG PA12 rubber texture close-up showing durable flexible material
KPALAG hose bending flexibility inside tight engine bay
KPALAG installation guide image showing straightforward replacement steps
KPALAG lightweight hose design reducing load in engine compartment
KPALAG hose demonstrates temperature resistance for automotive cooling
KPALAG packaging image with included parts and fit guidance

KPALAG Engine Coolant Overflow Hose for Audi A6/A7 Quattro (2012-2018) – 4G0121081AE/CT

£27.54
Description
Description
x

Overview

Introducing the KPALAG Engine Coolant Overflow Hose, a purpose built replacement designed for select Audi A6 and A7 models. Crafted from PA12 rubber, it delivers solid chemical and hydrolysis resistance while remaining flexible enough to fit around tight engine components. The hose also offers effective vibration damping, contributing to a steadier, quieter cooling loop. With a broad operating range, it is built to perform from frosty mornings to hot engine summers without compromising flow.

Key benefits at a glance

  • Excellent chemical and hydrolysis resistance for long service life.
  • Low temperature impact resistance with a wide range of -40°C to +150°C.
  • Lightweight and flexible design for easier routing and potential weight reduction.
  • Effective vibration damping to minimize movement within the cooling loop.

Exact fit and compatibility

This hose replaces part numbers 4G0121081AE, 4G0121081EJ, and 4G0121081CT. It is compatible with the following vehicles and configurations:

  • 2012–2015 Audi A6 2.0L L4 Gas
  • 2013–2015 Audi A6 Quattro 2.0L L4 Gas
  • 2012–2018 Audi A6 Quattro 3.0L V6 Gas
  • 2014–2016 Audi A6 Quattro 3.0L V6 Diesel
  • 2012–2018 Audi A7 Quattro 3.0L V6 Gas
  • 2014–2016 Audi A7 Quattro 3.0L V6 Diesel

What it does

The expansion hose feeds coolant back to the overflow tank within a closed loop cooling system. This helps prevent coolant loss and overheating under normal driving conditions.

Easy installation

Designed with standard end fittings at each side, this hose is meant for a straightforward replacement. Before you start, ensure the coolant is fully cooled and follow basic safety precautions during replacement.

Why choose KPALAG

KPALAG focuses on durable, automotive grade materials and user friendly design. This hose aims to deliver reliable cooling system support in a compact, modern engine bay.

FAQ

Q: What models and years does this hose fit?

A: Fits 2012–2018 Audi A6 and A7 Quattro with 2.0L L4 or 3.0L V6 engines, including diesel variants.

Q: Do I need to drain coolant or special tools to replace?

A: Ensure coolant is cooled, replace with standard hose fittings; no special tools required beyond basic hand tools.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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