10:20Air Brakes Explained Simply :: Service, Parking and Emergency Brakes One & the Same
Smart Drive Test
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A.B.S.
18821
Brake disc
Specifications
- Brake Disc Thickness
- 18 mm
- Centering Diameter
- 62 mm
- Height
- 44.2 mm
- Minimum thickness
- 16.5 mm
- Outer Diameter
- 317 mm
- Rim Hole Number
- 5
- Brake Disc Type
- Vented
- Bolt Hole Circle Ø
- 114.3
- Surface
- Coated
- Hub Diameter
- 172
- Weight
- 6.404 kg
Vehicle Manufacturers
TOYOTA(2 items)
TOYOTA
4243142080
TOYOTA
4243178030
LEXUS(2 items)
LEXUS
4243142080
LEXUS
4243178030
SUBARU(1 items)
SUBARU
4243178030
SUZUKI(1 items)
SUZUKI
T424314208
Other brands compatible with the same OE
21 total
ASHIKA
61-02-273C
Brake disc
BLUE PRINT
ADBP430133
Brake disc
BOSCH
0 986 479 H19
Brake disc
BREMBO
09.D987.11
Brake disc
DELPHI
BG5082C
Brake disc
DELPHI
BG5228C
Brake disc
FEBI BILSTEIN
179062
Brake disc
FERODO
DDF3100C
Brake disc
HELLA
8DD 355 134-961
Brake disc
HELLA PAGID
8DD 355 134-961
Brake disc
JAPANPARTS
DP-273C
Brake disc
JURID
563745JC
Brake disc
MINTEX
MDC3167C
Brake disc
OPTIMAL
BS-0202C
Brake disc
OPTIMAL
BS-9698C
Brake disc
SWAG
33 10 7358
Brake disc
TEXTAR
92343103
Brake disc
TRW
DF3978
Brake disc
ZIMMERMANN
590.2841.20
Brake disc
ZIMMERMANN
590.2841.52
Brake disc
ZIMMERMANN
590.2841.53
Brake disc
Featured videos
Watch maintenance and replacement tutorials on YouTube.
10:20
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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14:21About 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 18821 have compatible (OE) part numbers?
Yes — it is linked to 6 OE-compatible part number(s), shown in the compatible parts section above.