2005-2009 Audi S4 Auxiliary Radiator Coolant Hose / Line 8E0121049AA

OEM Part #: 8E0-121-049-AA (8E0121049AA)

$12.49
Used
Donor2006 Audi S4 · 4.2L
SKU: 148074 · 30-Day Returns
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Auxiliary Radiator Coolant Hose / Line 8E0121049AA — Used (SKU 148074)
Genuine OEM Used SKU: 148074 Donor Vehicle: 2006 Audi S4 · 4.2L 2 photos
$12.49
30-Day Returns
Auxiliary Radiator Coolant Hose / Line 8E0121049AA — Used (SKU 216641)
Genuine OEM Used SKU: 216641 Donor Vehicle: 2008 Audi S4 · 4.2L 2 photos
$12.49
30-Day Returns
Auxiliary Radiator Coolant Hose / Line 8E0121049AA — Used (SKU 153479)
Genuine OEM Used SKU: 153479 Donor Vehicle: None Audi Multi Qty 2 photos
$12.49
30-Day Returns
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The Audi auxiliary radiator coolant hose/line, OEM part number 8E0121049AA, is a used genuine part. Also known as an auxiliary coolant line, this hose (also replaces 8E0121055AH) circulates coolant through the secondary radiator on the Audi S4 with the 4.2L V8 (4163CC, DOHC). A leak here can cause engine overheating and coolant loss, often visible at the hose connections.

Hose connects to lower radiator hose to secondary radiator.

Specifications

Specifications for Auxiliary Radiator Coolant Hose / Line 8E0121049AA
Fits Vehicle ModelS4
Fits Vehicle MakeAudi
OEM Part No8E0-121-049-AA (8E0121049AA)
Compatible OEM Part No 8E0-121-055-AH
CategoryRadiator / Coolant

Compatible Vehicles

Fits 11 vehicle configurations across 1 make, 2005-2009.

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

  • S4 2005-2009 · 11 variants
View all 11 vehicle configurations
Full vehicle fitment list for Auxiliary Radiator Coolant Hose / Line 8E0121049AA
Year Make Model Trim Engine Note
2005 Audi S4 Sedan 4.2L V8
2006 Audi S4 Sedan 4.2L V8
2007 Audi S4 Convertible 4.2L V8
2007 Audi S4 Wagon 4.2L V8
2008 Audi S4 Sedan 4.2L V8
2008 Audi S4 Convertible 4.2L V8
2008 Audi S4 Wagon 4.2L V8
2007 Audi S4 Sedan 4.2L V8
2005 Audi S4 Wagon 4.2L V8
2009 Audi S4 Convertible 4.2L V8
2006 Audi S4 Wagon 4.2L V8

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