Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Advertising Disclosure
10 Best radiator hose for audi a4s of 2025
Explore top picks
Best Choice1
FraylisFraylis Engine Coolant Radiator Pipe Water Hose 06E121045AA Compatible with Audi A4 2013-2015 A5/A5 Quattro/S5 2012-2017 A6/A6 quattro A6 Allroad A7/A7 A8 quattro Touareg 06E121045AJ 06E121045AK
9.7Exceptional
-
-
Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you
Careful review Our team ensures quality, value, and fit based on real user feedback
Trusted insights AI and human analysis guide your decisions, reflecting real user prioritiesReal users impact
Thousands of users trust our site daily
- Based on millions of stores and reviews
- Shoppers influence our rankings
Analyzing top stores
Value for Money2
A-PremiumA-Premium Front Radiator Coolant Hose Compatible with Audi A4 2006-2008, A4 Quattro 2005-2009, Q7 2011-2015, A6/A6 Quattro 2006-2008, S4/S5 2010-2012
9.6Exceptional
-
3
MOTOKUMOTOKU Water Hose Upper Radiator to Water Pipe to Expansion Tank for Audi A4 2005-2008 A4 Quattro 2005-2009
9.5Excellent
-
4
BSNOVTRadiator Overflow Hose Cooling Breathe Tube, Coolant Expansion Tank Bypass Line Replaces 8W0121081AN,Compatible with Audi A4 2017-2020/A4 Quattro 2017-2021/A4 allroad 2017-2020/A5 Quattro 2018-2020
9.4Excellent
-
5
PartutoPartuto Coolant Radiator Reservoir Tank Overflow Hose Fit for Audi A4 2.0L 2017-2018 No.8W0121081BL - Pack of 1 Replacement
9.3Excellent
-
-
See Today’s Deals & Prices
6
GenericRadiator Overflow Hose Cooling Breathe Tube Replaces 8W0121081AN Compatible with Audi A4 2017-2020/A4 Quattro 2017-2021/A4 allroad 2017-2020/A5 Quattro 2018-2020/A5 Sportback 2018-2020
9.2Excellent
-
7
A-PremiumA-Premium Radiator Coolant Hose Compatible with Audi A4/A4 Quattro 2009-2016, Q5 2011-2017, A6 2012-2015, A6 Quattro 2013-2015, Allroad 2013-2016
9.0Excellent
-
8
supaligoodsupaligood Upper Coolant Reservoir Hose for Audi A4 2.0L 2017-2018, for Audi A5 2.0L 2018, for Audi A4 allroad 2.0L 2017, No. 8W0121081BL Radiator Overflow Hoses (1pcs)
8.8Very Good
-
9
LoloWheatLoloWheat Radiator Overflow Hose 8W0121081AN Fit for Audi A4/A4 Quattro/A4 Allroad/A5 Quattro/A5 Sportback 2017-2020 Radiator Overflow Hose Cooling Breathe Tube Replace # 8W0-121-081-AN
8.6Very Good
-
10
ISINLASSOEngine Cooling Water Pipe Radiator Coolant Water Hose Fit for Audi A5 Quattro 2008-2010 Fit for Audi Q5 2009-2017 A4 A6 A7 A8 Q7 SQ5 S4 S5 Replaces 06E121065N 06E121065AA
8.4Good
-
