12:32CDL Air Brakes Test 2024 (MOST Common Questions and Answers)
Driving Academy | CDL Truck Driving School
Watch on YouTubeSpecifications
- Brake Disc Thickness
- 22 mm
- Centering Diameter
- 67 mm
- Height
- 43.5 mm
- Inner Diameter
- 154.7 mm
- Minimum thickness
- 19.4 mm
- Outer Diameter
- 284 mm
- Brake Disc Type
- internally vented
- Machining
- High-carbon
- Surface
- Coated
- Bolt Hole Circle Ø
- 112
- Hole Arrangement/Number
- 05/06
- Wheel Bolt Bore Diameter
- 12.8
- Supplementary Article/Supplementary Info 2
- without wheel hub
- Weight
- 6.1
Vehicle Manufacturers
MERCEDES(8 items)
MERCEDES
2.02421E+11
MERCEDES
202 421 07 12
MERCEDES
202 421 09 12
MERCEDES
202 421 09 12 64
MERCEDES
A 020 242 1E 11
MERCEDES
A 202 421 07 12
MERCEDES
A 202 421 09 12
MERCEDES
A 202 421 09 12 64
Other brands compatible with the same OE
22 total
A.B.S.
16181
Brake disc
ATE
24.0122-0132.1
Brake disc
ATE
24.0322-0132.1
Brake disc
BLUE PRINT
ADU174333
Brake disc
BOSCH
0 986 478 301
Brake disc
CHAMPION
561697CH
Brake disc
EGT
410267EGT
Brake disc
FEBI BILSTEIN
08129
Brake disc
FERODO
DDF588C
Brake disc
JURID
561697JC
Brake disc
KAMOKA
1031176
Brake disc
METELLI
23-0314C
Brake disc
MEYLE
015 521 0035
Brake disc
MEYLE
015 521 0035/PD
Brake disc
NK
203317
Brake disc
NK
313317
Brake disc
SKF
VKBD 80461 V2
Brake disc
STELLOX
6020-3317V-SX
Brake disc
SWAG
10 90 8129
Brake disc
TRISCAN
8120 23119C
Brake disc
TRW
DF2656
Brake disc
VAICO
V30-80020
Brake disc
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12:32
14:21
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
Watch on YouTubeAbout this part
A 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.
Frequently asked questions
Does 8DD 355 127-121 have compatible (OE) part numbers?
Yes — it is linked to 8 OE-compatible part number(s), shown in the compatible parts section above.