Audi A6/Allroad Turbo Coolant Return Hose / Line Right 078121492E

OEM Part #: 078-121-492-E (078121492E)

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Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:

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Replace your worn or damaged turbo coolant return hose with this genuine OEM part (OEM Part Number 078121492G). Located on the right side, this critical line ensures efficient coolant flow from the turbocharger back to the engine, preventing overheating and maintaining optimal performance. Compatible with Audi Allroad Quattro models from 2001 to 2005 and A6 Quattro models from 2002 to 2004, this part addresses common issues like coolant leaks and overheating due to a malfunctioning line. The part number 078121492E may also be referenced. Trust in the authenticity of this factory-original part sourced from donor vehicles, ensuring reliability and longevity for your Audi.

Specifications

Specifications for Turbo Coolant Return Hose / Line 078121492E
Fits Vehicle ModelA6, Allroad
Fits Vehicle MakeAudi
OEM Part No078-121-492-E (078121492E)
Compatible OEM Part No 078-121-492-G
SideRight
CategoryTurbo / Supercharger

Compatible Vehicles

Fits 8 vehicle configurations across 1 make, 2001-2005.

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

  • A6 2002-2004 · 3 variants
  • Allroad 2001-2005 · 5 variants
View all 8 vehicle configurations
Full vehicle fitment list for Turbo Coolant Return Hose / Line 078121492E
Year Make Model Trim Engine Note
2001 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2002 Audi A6 Quattro Sedan 2.7L V6 Turbo
2002 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2003 Audi A6 Quattro Sedan 2.7L V6 Turbo
2003 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2004 Audi A6 Quattro Sedan 2.7L V6 Turbo
2004 Audi Allroad Quattro Wagon 2.7L V6 Turbo
2005 Audi Allroad Quattro Wagon 2.7L V6 Turbo

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Asking about: Turbo Coolant Return Hose / Line 078121492E · OEM #078121492E