About this part
What it does. Dorman First Stop Brake Hose Dorman - First Stop 3465-H622671 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 Rx500h, 2019–2022 Lexus Rx350l, 2021 Lexus Rx450hl, 2020–2021 Lexus Rx350. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.