9:44CDL Class A FULL In Cab Inspection and Air Brake Test 2023 - Pass Your CDL Trucking Road Test
Driving Academy | CDL Truck Driving School
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Brake disc
MERCEDES
000 421 20 12
MERCEDES
1724210600
MERCEDES
204 421 12 12
MERCEDES
221 421 08 12
MERCEDES
A 000 421 20 12
MERCEDES
A 204 421 12 12
MERCEDES
A 221 421 08 12
15 total
ATE
24.0136-0108.1
Brake disc
BLUE PRINT
ADU174347
Brake disc
BREMBO
09.A819.11
Brake disc
DELPHI
BG9878
Brake disc
FEBI BILSTEIN
44071
Brake disc
HELLA
8DD 355 125-361
Brake disc
HELLA
8DD 355 127-961
Brake disc
HELLA PAGID
8DD 355 127-961
Brake disc
LPR
M2030V
Brake disc
MAGNETI MARELLI
360406116601
Brake disc
MINTEX
MDC1666
Brake disc
QUARO
QD0254HC
Brake disc
SWAG
10 94 4071
Brake disc
TEXTAR
92120305
Brake disc
TRW
DF6873S
Brake disc
Watch maintenance and replacement tutorials on YouTube.
9:44Driving Academy | CDL Truck Driving School
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5:57
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 7 OE-compatible part number(s), shown in the compatible parts section above.