About this part
What it does. Dorman First Stop Disc Brake Hardware Kit Dorman - First Stop 3465-HW13923 is the disc the brake pads clamp onto to convert motion into heat and stop the wheel.
Symptoms that point to this part
- Pulsing brake pedal or steering wheel shudder
- Deep scoring or a lip on the disc face
- Blue heat spotting
Service note. Rotors are replaced in pairs per axle, together with fresh pads.
Fitment. Catalogued as fitting 2022–2025 Audi A4 Quattro, 2021–2024 Audi A5 Sportback, 2019–2020 Volkswagen Passat, 2019–2020 Audi A4. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.