Genuine Audi Expansion Tank Vent Hose Venthose 8K0121081BF OEM A5 A4 Allroad - Audi (8K0-121-081-BF)
2013-2017 Audi - 8k0121081bf
Genuine Audi Expansion Tank Vent Hose Venthose 8K0121081BF OEM A5 A4 Allroad - Audi (8K0-121-081-BF)
2013-2017 Audi - 8k0121081bf
- Audi
- 8K0-121-081-BF
Details
- Brand:
- SKU:
8K0-121-081-BF
- Other Names:
Venthose
- Description:
Genuine Audi Expansion Tank Vent Hose is a critical cooling system component designed to maintain proper pressure balance between the coolant expansion tank and the engine cooling circuit. This genuine Audi OEM part fits the A4, A4 Quattro, A5 Quattro, and allroad models, ensuring your vehicle's thermal management system operates exactly as Audi engineers intended. Also known as a vent hose or venthose, this component allows trapped air and steam to escape from the coolant expansion tank, preventing dangerous pressure buildup that can lead to overheating, coolant loss, or damage to the radiator and hoses. Aftermarket alternatives frequently use inferior rubber compounds that harden, crack, or collapse under sustained heat cycles, compromising the precise venting flow rates required by Audi's cooling architecture. The genuine Audi A5 A4 allroad OEM Expansion Tank Vent Hose 8K0121081BF is manufactured to exact factory tolerances, with materials engineered to withstand the specific temperature and pressure ranges of these engines over the long term. Choosing OEM means guaranteed fitment with no modifications, no leaking connection points, and no guesswork. Audi Henderson is an authorized Audi dealer offering this part backed by a full manufacturer warranty, giving you complete confidence in every genuine component you install.
California Proposition 65
WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov - MSRP: $44.18
- Discount: $19.00 (43% off)
- Sale Price: $25.18
- Audi
- 8K0-121-081-BF
Details
- Brand:
- SKU:
8K0-121-081-BF
- Other Names:
Venthose
- Description:
Genuine Audi Expansion Tank Vent Hose is a critical cooling system component designed to maintain proper pressure balance between the coolant expansion tank and the engine cooling circuit. This genuine Audi OEM part fits the A4, A4 Quattro, A5 Quattro, and allroad models, ensuring your vehicle's thermal management system operates exactly as Audi engineers intended. Also known as a vent hose or venthose, this component allows trapped air and steam to escape from the coolant expansion tank, preventing dangerous pressure buildup that can lead to overheating, coolant loss, or damage to the radiator and hoses. Aftermarket alternatives frequently use inferior rubber compounds that harden, crack, or collapse under sustained heat cycles, compromising the precise venting flow rates required by Audi's cooling architecture. The genuine Audi A5 A4 allroad OEM Expansion Tank Vent Hose 8K0121081BF is manufactured to exact factory tolerances, with materials engineered to withstand the specific temperature and pressure ranges of these engines over the long term. Choosing OEM means guaranteed fitment with no modifications, no leaking connection points, and no guesswork. Audi Henderson is an authorized Audi dealer offering this part backed by a full manufacturer warranty, giving you complete confidence in every genuine component you install.
California Proposition 65
WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov Also Purchased
Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
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AUDI HENDERSON
Welcome to Audi OEM Parts, your number one source for all things Audi. We're dedicated to providing you the very best parts and accessories, with an emphasis on OEM fitment.
You can order your Genuine Audi Expansion Tank Vent Hose Venthose 8K0121081BF OEM A5 A4 Allroad (8k0121081bf) right now and have it delivered to your home or work in just a matter of days. Guaranteed to fit your 2013-2017 Audi vehicle and we also offer a VIN verification system at checkout.
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AudiOEMParts.com is operated by Audi Henderson, an authorized Audi dealership and part of the Findlay Automotive Group in Henderson, NV. We stock genuine Audi OEM parts and accessories for every model — A3, A4, A5, A6, A7, A8, Q3, Q5, Q7, Q8, TT, R8, e-tron, and beyond.
Every part ships directly from factory inventory with full Audi manufacturer warranty. No aftermarket substitutes. No compatibility guessing. Exact fit, every time.
Order online and ship nationwide. Same parts Audi technicians use, at authorized dealer pricing, with the speed of online ordering. Questions? Call 888-448-6114 or email [email protected].