About this part
What it does. Bosch Bosch QuietCast Disc Brake Rotor Bosch 284-53011421 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 2021–2023 Chevrolet Tahoe, 2021–2023 Cadillac Escalade, 2020–2023 Chevrolet Silverado 1500, 2021 GMC Yukon Xl. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.