12:32CDL Air Brakes Test 2024 (MOST Common Questions and Answers)
Driving Academy | CDL Truck Driving School
Watch on YouTubeMERCEDES
126 421 04 12
MERCEDES
126 421 05 12
MERCEDES
A 126 421 04 12
MERCEDES
A 126 421 05 12
12 total
A.B.S.
15794
Brake disc
ATE
24.0128-0102.1
Brake disc
BLUE PRINT
ADU174322
Brake disc
BOSCH
0 986 478 197
Brake disc
CIFAM
800-520
Brake disc
FEBI BILSTEIN
06857
Brake disc
MAGNETI MARELLI
360406005700
Brake disc
MAXGEAR
19-2696
Brake disc
METELLI
23-0520
Brake disc
NK
203324
Brake disc
SWAG
10 90 6857
Brake disc
TRW
DF1586
Brake disc
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12:32Driving Academy | CDL Truck Driving School
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14:21
12:53A 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 4 OE-compatible part number(s), shown in the compatible parts section above.