About this part
What it does. Dorman First Stop Brake Hose Dorman - First Stop 3465-H622027 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 2023 Lexus Is300, 2022–2023 Lexus Rc350, 2023 Lexus Is350, 2022 Lexus Rc300. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.