9:44CDL Class A FULL In Cab Inspection and Air Brake Test 2023 - Pass Your CDL Trucking Road Test
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Brake disc
BMW
34 11 6 753 221
BMW
34 11 6 767 269
BMW
34 11 6 864 905
BMW
34 11 6 864 906
BMW
6 753 221
BMW
6 767 269
BMW
6 864 905
BMW
6 864 906
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10:20Smart Drive Test
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14:21A brake disc (rotor) is the metal disc that the brake pads clamp onto to slow the wheel.
When the pads press against the spinning disc, friction converts the vehicle's motion into heat, which the disc dissipates; commercial vehicle discs are large and heat-resistant for high loads and repeated braking.
Mounted at the wheel as part of a disc brake. Because braking is safety critical, discs and pads are inspected on schedule and replaced by axle set by a qualified technician.
Yes — it is linked to 8 OE-compatible part number(s), shown in the compatible parts section above.