Racingline Billet Brake Fluid Cap
We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.
We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.
Upgrade your vehicle's brake fluid reservoir with the RacingLine Billet Brake Fluid Cap for superior pressure equalization and a striking aesthetic. Crafted from aerospace-grade 6061 aluminum using advanced CNC 5-axis technology, each cap is meticulously engineered to ensure optimal performance.
Experience improved pressure balance, especially vital during high-performance driving and track sessions where rapid pad wear can lead to negative pressure in the master cylinder. Unlike cheap plastic caps, RacingLine's replacement cap features a superior pressure equalization system, guaranteeing zero pressure variance for consistent braking performance.
Forget about flimsy covers that merely stick over the factory cap—this is a full replacement designed for durability and performance. Polished and gloss-anodized in Midnight Black, this cap not only looks stunning but also maintains its beauty year after year.
This part also goes by the following cross reference.
Cross Reference Part Number:
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | A3 Base | 2.0 | 2006–2013 |
| Audi | A3 Cabrio | 2.0 | 2009–2013 |
| Audi | A3 Cabrio | 1.8 | 2010–2013 |
| Audi | A3 Dynamic | 1.4 | 2017–2026 |
| Audi | A3 Dynamic | 2.0 | 2017–2020 |
| Audi | A3 Elite | 2.0 | 2017–2017 |
| Audi | A3 Premium | 1.8 | 2015–2016 |
| Audi | A3 Premium | 2.0 | 2017–2024 |
| Audi | A3 Premium Plus | 1.8 | 2015–2016 |
| Audi | A3 Premium Plus | 2.0 | 2017–2024 |
| Audi | A3 Prestige | 1.8 | 2015–2016 |
| Audi | A3 Prestige | 2.0 | 2017–2019 |
| Audi | A3 Quattro Base | 2.0 | 2006–2013 |
| Audi | A3 Quattro Base | 3.2 | 2006–2009 |
| Audi | A3 Quattro Premium | 2.0 | 2015–2026 |
| Audi | A3 Quattro Premium Plus | 2.0 | 2015–2026 |
| Audi | A3 Quattro Prestige | 2.0 | 2015–2019 |
| Audi | A3 S Line | 2.0 | 2006–2026 |
| Audi | A3 S Line | 1.8 | 2013–2016 |
| Audi | A3 S Line | 1.4 | 2025–2026 |
| Audi | A3 Sportback | 2.0 | 2013–2013 |
| Audi | A3 Titanium | 2.0 | 2019–2019 |
| Audi | RS3 Base | 2.5 | 2017–2026 |
| Audi | S3 Base | 2.0 | 2015–2026 |
| Audi | S3 Premium | 2.0 | 2020–2025 |
| Audi | S3 Premium Plus | 2.0 | 2015–2025 |
| Audi | S3 Prestige | 2.0 | 2015–2025 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | A4 allroad Premium | 2.0 | 2017–2025 |
| Audi | A4 allroad Premium Plus | 2.0 | 2017–2025 |
| Audi | A4 allroad Prestige | 2.0 | 2017–2025 |
| Audi | A4 Base | 2.0 | 2009–2014 |
| Audi | A4 Base | 1.8 | 2013–2013 |
| Audi | A4 Cabriolet | 2.0 | 2009–2009 |
| Audi | A4 Dynamic | 2.0 | 2017–2025 |
| Audi | A4 Premium | 2.0 | 2015–2020 |
| Audi | A4 Premium Plus | 2.0 | 2015–2020 |
| Audi | A4 Prestige | 2.0 | 2015–2020 |
| Audi | A4 Quattro Avant | 2.0 | 2009–2012 |
| Audi | A4 Quattro Base | 2.0 | 2009–2014 |
| Audi | A4 Quattro Base | 3.2 | 2009–2009 |
| Audi | A4 Quattro Cabriolet | 2.0 | 2009–2009 |
| Audi | A4 Quattro Cabriolet | 3.2 | 2009–2009 |
| Audi | A4 Quattro Elite | 3.2 | 2009–2012 |
| Audi | A4 Quattro Elite | 3.0 | 2013–2014 |
| Audi | A4 Quattro Elite | 2.0 | 2017–2018 |
| Audi | A4 Quattro Premium | 2.0 | 2013–2025 |
| Audi | A4 Quattro Premium Plus | 2.0 | 2013–2025 |
| Audi | A4 Quattro Prestige | 2.0 | 2015–2025 |
| Audi | A4 Quattro S Line | 2.0 | 2017–2019 |
| Audi | A4 S Line | 2.0 | 2017–2025 |
| Audi | A4 Titanium | 2.0 | 2019–2019 |
| Audi | S4 Base | 3.0 | 2010–2024 |
| Audi | S4 Premium | 3.0 | 2019–2025 |
| Audi | S4 Premium Plus | 3.0 | 2014–2025 |
| Audi | S4 Prestige | 3.0 | 2014–2025 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | A5 Dynamic | 2.0 | 2025–2025 |
| Audi | A5 Quattro Base | 2.0 | 2025–2025 |
| Audi | A5 Quattro Elite | 2.0 | 2018–2019 |
| Audi | A5 Quattro Premium | 2.0 | 2018–2025 |
| Audi | A5 Quattro Premium Plus | 2.0 | 2018–2025 |
| Audi | A5 Quattro Prestige | 2.0 | 2018–2025 |
| Audi | A5 Quattro S Line | 2.0 | 2018–2025 |
| Audi | A5 S Line | 2.0 | 2018–2025 |
| Audi | A5 Sportback Elite | 2.0 | 2019–2019 |
| Audi | A5 Sportback Premium | 2.0 | 2018–2025 |
| Audi | A5 Sportback Premium Plus | 2.0 | 2018–2025 |
| Audi | A5 Sportback Prestige | 2.0 | 2018–2024 |
| Audi | A5 Sportback S Line | 2.0 | 2019–2025 |
| Audi | RS5 Base | 2.9 | 2018–2025 |
| Audi | RS5 Sportback Base | 2.9 | 2019–2025 |
| Audi | S5 Base | 3.0 | 2018–2025 |
| Audi | S5 Premium | 3.0 | 2019–2025 |
| Audi | S5 Premium Plus | 3.0 | 2018–2025 |
| Audi | S5 Prestige | 3.0 | 2018–2025 |
| Audi | S5 Sportback Base | 3.0 | 2019–2025 |
| Audi | S5 Sportback Premium | 3.0 | 2020–2025 |
| Audi | S5 Sportback Premium Plus | 3.0 | 2018–2025 |
| Audi | S5 Sportback Prestige | 3.0 | 2018–2025 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | A6 Base | 3.2 | 2011–2011 |
| Audi | A6 Elite | 2.8 | 2011–2013 |
| Audi | A6 Elite | 2.0 | 2014–2014 |
| Audi | A6 Elite | 3.0 | 2016–2016 |
| Audi | A6 Premium | 2.0 | 2012–2018 |
| Audi | A6 Premium Plus | 2.0 | 2012–2018 |
| Audi | A6 S Line | 2.0 | 2013–2014 |
| Audi | A6 S Line | 1.8 | 2016–2018 |
| Audi | A6 S Line | 3.0 | 2016–2016 |
| Audi | S6 Base | 4.0 | 2013–2018 |
| Audi | S6 Premium Plus | 4.0 | 2016–2018 |
| Audi | S6 Prestige | 4.0 | 2016–2018 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | Q5 Base | 2.0 | 2025–2025 |
| Audi | Q5 Dynamic | 2.0 | 2018–2022 |
| Audi | Q5 Elite | 2.0 | 2017–2025 |
| Audi | Q5 Elite | 3.0 | 2017–2017 |
| Audi | Q5 Premium | 2.0 | 2017–2025 |
| Audi | Q5 Premium Plus | 2.0 | 2017–2025 |
| Audi | Q5 Premium Plus | 3.0 | 2017–2017 |
| Audi | Q5 Prestige | 3.0 | 2017–2017 |
| Audi | Q5 Prestige | 2.0 | 2018–2025 |
| Audi | Q5 S Line | 2.0 | 2018–2025 |
| Audi | Q5 Titanium Premium | 2.0 | 2020–2020 |
| Audi | Q5 Titanium Premium Plus | 2.0 | 2020–2020 |
| Audi | Q5 Titanium Prestige | 2.0 | 2020–2020 |
| Audi | SQ5 3.0T | 3.0 | 2018–2018 |
| Audi | SQ5 Base | 3.0 | 2019–2025 |
| Audi | SQ5 Premium | 3.0 | 2019–2025 |
| Audi | SQ5 Premium Plus | 3.0 | 2018–2025 |
| Audi | SQ5 Prestige | 3.0 | 2018–2025 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | RS7 Base | 4.0 | 2014–2018 |
| Audi | RS7 Performance | 4.0 | 2016–2018 |
| Audi | S7 Base | 4.0 | 2013–2018 |
| Audi | S7 Premium Plus | 4.0 | 2017–2018 |
| Audi | S7 Prestige | 4.0 | 2017–2018 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | TT Quattro Base | 2.0 | 2015–2023 |
| Audi | TT Quattro S Line | 2.0 | 2016–2018 |
| Audi | TT RS Quattro Base | 2.5 | 2018–2023 |
| Audi | TTS Quattro Base | 2.0 | 2015–2023 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Volkswagen | Arteon SE | 2.0 | 2019–2021 |
| Volkswagen | Arteon SE R-Line | 2.0 | 2019–2019 |
| Volkswagen | Arteon SEL | 2.0 | 2019–2020 |
| Volkswagen | Arteon SEL Premium | 2.0 | 2019–2019 |
| Volkswagen | Arteon SEL Premium R-Line | 2.0 | 2019–2022 |
| Volkswagen | Arteon SEL R-Line | 2.0 | 2019–2022 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Volkswagen | Golf Alltrack Base | 1.8 | 2018–2018 |
| Volkswagen | Golf Alltrack S | 1.8 | 2017–2019 |
| Volkswagen | Golf Alltrack SE | 1.8 | 2017–2019 |
| Volkswagen | Golf Alltrack SEL | 1.8 | 2017–2019 |
| Volkswagen | Golf Base | 2.5 | 2010–2014 |
| Volkswagen | Golf Base | 1.8 | 2016–2016 |
| Volkswagen | Golf R Base | 2.0 | 2012–2026 |
| Volkswagen | Golf R Black Edition | 2.0 | 2025–2025 |
| Volkswagen | Golf S | 1.8 | 2015–2018 |
| Volkswagen | Golf S | 1.4 | 2019–2019 |
| Volkswagen | Golf SE | 1.8 | 2015–2016 |
| Volkswagen | Golf SE | 1.4 | 2019–2019 |
| Volkswagen | Golf SEL | 1.8 | 2015–2016 |
| Volkswagen | Golf SportWagen | 1.8 | 2015–2019 |
| Volkswagen | Golf SportWagen | 2.0 | 2015–2015 |
| Volkswagen | Golf SportWagen | 1.4 | 2019–2019 |
| Volkswagen | Golf TDI | 2.0 | 2010–2015 |
| Volkswagen | Golf TSi | 1.4 | 2020–2021 |
| Volkswagen | Golf Wolfsburg Edition | 1.8 | 2017–2017 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Volkswagen | Jetta GLI | 2.0 | 2006–2026 |
| Volkswagen | Jetta GLI | 1.8 | 2009–2010 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Volkswagen | Passat Base | 3.6 | 2015–2016 |
| Volkswagen | Passat R-Line | 1.8 | 2016–2017 |
| Volkswagen | Passat R-Line | 2.5 | 2016–2018 |
| Volkswagen | Passat R-Line | 2.0 | 2018–2022 |
| Volkswagen | Passat S | 1.8 | 2015–2017 |
| Volkswagen | Passat S | 2.0 | 2018–2021 |
| Volkswagen | Passat SE | 1.8 | 2015–2017 |
| Volkswagen | Passat SE | 3.6 | 2017–2017 |
| Volkswagen | Passat SE | 2.0 | 2018–2022 |
| Volkswagen | Passat SE R-Line | 2.0 | 2019–2019 |
| Volkswagen | Passat SEL | 1.8 | 2016–2016 |
| Volkswagen | Passat SEL | 2.0 | 2020–2020 |
| Volkswagen | Passat SEL Premium | 1.8 | 2015–2017 |
| Volkswagen | Passat SEL Premium | 3.6 | 2015–2018 |
| Volkswagen | Passat SEL Premium | 2.0 | 2018–2018 |
| Volkswagen | Passat TDI SE | 2.0 | 2015–2015 |
| Volkswagen | Passat V6 | 3.6 | 2017–2018 |
| Volkswagen | Passat Wolfsburg Edition | 1.8 | 2015–2015 |
| Volkswagen | Passat Wolfsburg Edition | 2.0 | 2019–2019 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Volkswagen | Tiguan Base | 1.4 | 2016–2017 |
| Volkswagen | Tiguan Highline Turbo R-Line | 2.0 | 2026–2026 |
| Volkswagen | Tiguan R-Line | 2.0 | 2016–2024 |
| Volkswagen | Tiguan R-Line | 1.4 | 2019–2026 |
| Volkswagen | Tiguan S | 2.0 | 2016–2026 |
| Volkswagen | Tiguan SE | 2.0 | 2016–2026 |
| Volkswagen | Tiguan SEL | 2.0 | 2016–2021 |
| Volkswagen | Tiguan SEL Premium | 2.0 | 2018–2019 |
| Volkswagen | Tiguan SEL R-Line | 2.0 | 2019–2025 |
| Volkswagen | Tiguan SEL R-Line Turbo | 2.0 | 2026–2026 |
| Volkswagen | Tiguan Sport | 2.0 | 2017–2017 |
| Volkswagen | Tiguan Wolfsburg Edition | 2.0 | 2017–2017 |