2004-2010 Audi A8 Heater Coolant Return Hose / Line 4E1819674A

OEM Part #: 4E1-819-674-A (4E1819674A)

$49.99
Used
Donor Vehicle2006 Audi A8 · 4.2L
SKU: 721691 · 30-Day Returns
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Heater Coolant Return Hose / Line 4E1819674A — Used (SKU 721691)
Genuine OEM Used SKU: 721691 Donor Vehicle: 2006 Audi A8 · 4.2L 2 photos
$49.99
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Genuine OEM Heater Coolant Return Hose (Part Number 4E1819674A) sourced from a salvage Audi A8 Quattro, this essential component ensures efficient coolant circulation from the heater valve to the engine. Positioned strategically to maintain optimal engine temperature, this hose resolves common issues like leaks, overheating, or coolant loss caused by wear or damage over time. Compatible with 2004-2010 Audi A8 Quattro models equipped with the 4.2L V8 engine, this factory-original part guarantees a precise fit and reliable performance. Also known as a HVAC Heater Hose, it is vital for maintaining your vehicle's heating system efficiency. Replace yours today to avoid future engine problems.

Specifications

Specifications for Heater Coolant Return Hose / Line 4E1819674A
Fits Vehicle ModelA8
Fits Vehicle MakeAudi
OEM Part No4E1-819-674-A (4E1819674A)
CategoryRadiator / Coolant

Compatible Vehicles

Fits 13 vehicle configurations across 1 make, 2004-2010.

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 2004-2010 · 13 variants
View all 13 vehicle configurations
Full vehicle fitment list for Heater Coolant Return Hose / Line 4E1819674A
Year Make Model Trim Engine Note
2010 Audi A8 Quattro L Sedan 4.2L V8
2005 Audi A8 Quattro Sedan 4.2L V8
2009 Audi A8 Quattro L Sedan 4.2L V8
2009 Audi A8 Quattro Sedan 4.2L V8
2005 Audi A8 Quattro L Sedan 4.2L V8
2007 Audi A8 Quattro Sedan 4.2L V8
2006 Audi A8 Quattro L Sedan 4.2L V8
2006 Audi A8 Quattro Sedan 4.2L V8
2008 Audi A8 Quattro L Sedan 4.2L V8
2008 Audi A8 Quattro Sedan 4.2L V8
2007 Audi A8 Quattro L Sedan 4.2L V8
2004 Audi A8 Quattro L Sedan 4.2L V8
2010 Audi A8 Quattro Sedan 4.2L V8

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