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QD8121
Brake disc
Specifications
- Brake Disc Thickness
- 19 mm
- Centering Diameter
- 75 mm
- Height
- 59.2 mm
- Minimum thickness
- 17.4 mm
- Outer Diameter
- 294 mm
- Brake Disc Type
- Externally Vented
- Bolt Hole Circle Ø
- 120
- Supplementary Article/Supplementary Info 2
- without wheel hub
- Surface
- Painted
- Number of Holes
- 5
- Weight
- 0.4 kg
Vehicle Manufacturers
BMW(7 items)
BMW
1165563
BMW
34211165563
BMW
34216855154
BMW
34216864056
BMW
6855154
BMW
6864056
BMW
94216855154
GMC(1 items)
GMC
92097303
Other brands compatible with the same OE
31 total
A.B.S.
17024
Brake disc
ABE
C4B019ABE
Brake disc
ABE
C4B019ABE-P
Brake disc
ASHIKA
61-00-0109
Brake disc
ASHIKA
61-00-0109C
Brake disc
BREMBO
09.7702.11
Brake disc
BREMBO
09.7702.1X
Brake disc
BREMBO
09.7702.75
Brake disc
DELPHI
BG3530C
Brake disc
FERODO
DDF1073
Brake disc
FERODO
DDF1073C
Brake disc
FTE
9072536
Brake disc
FTE
9082100
Brake disc
HELLA
8DD 355 127-401
Brake disc
HELLA PAGID
8DD 355 106-571
Brake disc
JAPANPARTS
DP-0109
Brake disc
JAPANPARTS
DP-0109C
Brake disc
JURID
562094JC
Brake disc
LPR
B2547V
Brake disc
LPR
B2547VR
Brake disc
MAGNETI MARELLI
360406016801
Brake disc
MAGNETI MARELLI
360406016802
Brake disc
MAGNETI MARELLI
360406016805
Brake disc
MAGNETI MARELLI
361302040286
Brake disc
MINTEX
MDC1384C
Brake disc
OPTIMAL
BS-6080C
Brake disc
REMSA
6722.10
Brake disc
ROADHOUSE
6722.10
Brake disc
TEXTAR
92097303
Brake disc
VALEO
186861
Brake disc
VALEO
672656
Brake disc
Featured videos
Watch maintenance and replacement tutorials on YouTube.
5:57
10:20Air Brakes Explained Simply :: Service, Parking and Emergency Brakes One & the Same
Smart Drive Test
Watch on YouTube
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 QD8121 have compatible (OE) part numbers?
Yes — it is linked to 8 OE-compatible part number(s), shown in the compatible parts section above.