The Rein Rack and Pinion Bellows (BKP0090R) is a high-quality replacement part designed to protect your Audi's steering system from dirt, debris, and moisture. Made from durable materials, it helps extend the life of steering components by keeping the rack and pinion sealed. This driver-side bellows fits a wide range of Audi models including A4, A5, A6, A7, A8, Q5, S4, S5, S6, S7, S8, RS7, SQ5, and allroad from model years 2011–2017.
Key Features & Benefits
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Protects steering rack: Seals out contaminants to prevent premature wear on steering components.
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Durable construction: Made from high-quality rubber or thermoplastic for long-lasting performance.
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OEM-grade fit: Engineered to match original equipment specifications for a precise fit.
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Easy installation: Simple replacement with basic hand tools; no special equipment required.
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Extends component life: Reduces friction and damage from road grime, improving steering response.
Vehicle Fitment
| Make |
Model |
Years |
Engine |
| Audi |
SQ5 |
2014–2017 |
3.0V6 |
| Audi |
S8 |
2013–2017 |
4.0V8 |
| Audi |
S7 |
2013–2017 |
4.0V8 |
| Audi |
S6 |
2013–2017 |
4.0V8 |
| Audi |
S5 |
2012–2017 |
3.0V6 |
| Audi |
RS7 |
2014–2017 |
4.0V8 |
| Audi |
Q5 |
2013–2017 |
3.0V6 |
| Audi |
Q5 |
2011–2017 |
2.0L4 |
| Audi |
A8 Quattro |
2013–2017 |
4.0V8 |
| Audi |
A7 Quattro |
2012–2017 |
3.0V6 |
| Audi |
A6 Quattro |
2012–2017 |
3.0V6 |
| Audi |
S4 |
2013–2016 |
3.0V6 |
| Audi |
A8 Quattro |
2012–2016 |
6.3W12 |
| Audi |
A6 |
2013–2014 |
2.0L4 |
| Audi |
A6 |
2016 |
2.0L4 |
| Audi |
A4 Quattro |
2013–2016 |
2.0L4 |
| Audi |
A4 |
2013–2016 |
2.0L4 |
| Audi |
A5 Quattro |
2012–2015 |
2.0L4 |
| Audi |
A5 |
2012–2014 |
2.0L4 |
| Audi |
S5 |
2012 |
4.2V8 |
| Audi |
Q5 |
2011–2012 |
3.2V6 |
Technical Specifications
| Part Number |
BKP0090R |
| Position |
Driver Side (Left) |
| Material |
Rubber / Thermoplastic (OEM-grade) |
| OEM Cross Reference |
Audi 4G0419831A / 8K0419831A (verify with application) |
| Brand |
REIN AUTOMOTIVE |
Installation Notes
Installation requires removing the old bellows and clamping the new one in place; professional installation recommended if alignment is affected.
About REIN AUTOMOTIVE
REIN AUTOMOTIVE is a trusted manufacturer of OE-quality replacement parts for European vehicles, known for rigorous testing and exacting standards.