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About this part
What it does. Febi Bilstein Brake Hose Febi-Bilstein 766-186331 seals or routes fluid between components under pressure and heat.
Symptoms that point to this part
- Visible leaks or damp residue
- Low fluid levels
- Cracked, swollen or brittle rubber
Fitment. Catalogued as fitting 2026 Audi S5, 2026 Audi A5 Quattro. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.