About this part
What it does. Dorman First Stop Brake Hydraulic Hose Dorman - First Stop 3465-H620779 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 2018–2020 Chevrolet Suburban, 2019–2020 Cadillac Escalade, 2019 Chevrolet Silverado 1500 Ld, 2018–2019 Chevrolet Tahoe. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.