2013-2018 Audi A8 Auxiliary Radiator Coolant Hose / Line 4H0121058E

Name: Auxiliary Radiator Coolant Hose / Line 4H0121058E
Brand: Audi
SKU: PS-76751
Price: 13.71 USD
Availability: InStock

OEM Part #: 4H0-121-058-E (4H0121058E)

Auxiliary Radiator Coolant Hose / Line 4H0121058E for Audi

Actual photo

The exact part you’ll receive — not a stock photo.

$13.71

Used

Donor2017 Audi A8 · 3.0L

SKU: 672386 · 30-Day Returns

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Auxiliary Radiator Coolant Hose / Line 4H0121058E — Used (SKU 672386)

Genuine OEM Used SKU: 672386 Donor Vehicle: 2017 Audi A8 · 3.0L 2 photos

$13.71

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This used OEM Audi auxiliary radiator coolant hose / line, part number 4H0121058E, is a genuine replacement for the coolant circuit. It connects the auxiliary radiator to the engine's cooling system on supercharged 3.0L V6 engines (EA837). A cracked or leaking hose can cause coolant loss and engine overheating.

Specifications

Specifications for Auxiliary Radiator Coolant Hose / Line 4H0121058E
Fits Vehicle Model	A8
Fits Vehicle Make	Audi
OEM Part No	4H0-121-058-E (4H0121058E)
Category	Radiator / Coolant

Compatible Vehicles

Fits 9 vehicle configurations across 1 make, 2013-2018.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Audi

A8 2013-2018 · 9 variants

View all 9 vehicle configurations

Full vehicle fitment list for Auxiliary Radiator Coolant Hose / Line 4H0121058E
Year	Make	Model	Trim	Engine
2018	Audi	A8	Quattro L Sedan	3.0L V6 Supercharged
2017	Audi	A8	Quattro L Sedan	3.0L V6 Supercharged
2016	Audi	A8	Quattro L Sedan	3.0L V6 Supercharged
2015	Audi	A8	Quattro L Sedan	3.0L V6 Supercharged
2015	Audi	A8	Quattro Sedan	3.0L V6 Supercharged
2014	Audi	A8	Quattro Sedan	3.0L V6 Supercharged
2014	Audi	A8	Quattro L Sedan	3.0L V6 Supercharged
2013	Audi	A8	Quattro Sedan	3.0L V6 Supercharged
2013	Audi	A8	Quattro L Sedan	3.0L V6 Supercharged