2017-2019 Audi RS5/S4/S5 Coolant Reservoir Breather Hose / Line 8W1121081BD

OEM Part #: 8W1-121-081-BD (8W1121081BD)

$10.49
Used
Donor2018 Audi S4 · 3.0L · 63k miles
SKU: 543092 · 30-Day Returns
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Coolant Reservoir Breather Hose / Line 8W1121081BD — Used (SKU 543092)
Genuine OEM Used SKU: 543092 Donor Vehicle: 2018 Audi S4 · 3.0L · 63k miles 2 photos
$10.49
30-Day Returns
Coolant Reservoir Breather Hose / Line 8W1121081BD — Used (SKU 555987)
Genuine OEM Used SKU: 555987 Donor Vehicle: 2018 Audi S5 SPORTBACK · 3.0L · 59k miles 2 photos
$10.49
30-Day Returns
Coolant Reservoir Breather Hose / Line 8W1121081BD — Used (SKU 545661)
Genuine OEM Used SKU: 545661 Donor Vehicle: 2018 Audi S5 SPORTBACK · 3.0L · 61k miles 2 photos
$10.49
30-Day Returns
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A used genuine Audi coolant reservoir breather hose / line, OEM part number 8W1121081BD. This is the factory hose that connects the coolant expansion tank to the engine's breather system, allowing pressure equalization and fluid return. It was removed from a donor vehicle and is ready for installation. A common failure symptom for this hose is a brittle, cracked plastic fitting or a collapsed rubber section, which can lead to a slow coolant leak or a low-coolant warning light. This part is a direct replacement for the original equipment hose on your specified Audi V6 engine bay.

Specifications

Specifications for Coolant Reservoir Breather Hose / Line 8W1121081BD
Fits Vehicle ModelRS5, S4, S5
Fits Vehicle MakeAudi
OEM Part No8W1-121-081-BD (8W1121081BD)
CategoryRadiator / Coolant

Compatible Vehicles

Fits 13 vehicle configurations across 1 make, 2017-2019.

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

  • RS5 2018-2019 · 3 variants 3 with notes
  • S4 2018-2019 · 2 variants 2 with notes
  • S5 2017-2019 · 8 variants 8 with notes
View all 13 vehicle configurations — 13 with fitment notes
Full vehicle fitment list for Coolant Reservoir Breather Hose / Line 8W1121081BD
Year Make Model Trim Engine Note
2018 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Production Date Between 01/16/17 and 07/09/18
2019 Audi S4 Sedan 3.0L V6 Turbo For Vehicles with Production Date Between 01/16/17 and 07/09/18
2019 Audi S5 Coupe 3.0L V6 Turbo For Vehicles with Production Date Between 01/16/17 and 07/09/18
2019 Audi S5 Convertible 3.0L V6 Turbo For Vehicles With Production date Up To 07/09/18
2018 Audi S5 Coupe 3.0L V6 Turbo For Vehicles with Production Date Between 01/16/17 and 07/09/18
2018 Audi S5 Convertible 3.0L V6 Turbo For Vehicles With Production date Up To 07/09/18
2017 Audi S5 Convertible 3.0L V6 Supercharged For Vehicles With Production date Up To 07/09/18
2017 Audi S5 Coupe 3.0L V6 Supercharged For Vehicles with Production Date Between 01/16/17 and 07/09/18
2018 Audi RS5 Coupe 2.9L V6 Turbo For Vehicles With Production date Up To 07/09/18
2019 Audi RS5 Hatchback 2.9L V6 Turbo For Vehicles With Production date Up To 07/09/18
2019 Audi RS5 Coupe 2.9L V6 Turbo For Vehicles With Production date Up To 07/09/18
2018 Audi S5 Hatchback 3.0L V6 Turbo For Vehicles with Production Date Between 01/16/17 and 07/09/18
2019 Audi S5 Hatchback 3.0L V6 Turbo For Vehicles with Production Date Between 01/16/17 and 07/09/18

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