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DELPHI

BG3042

Brake disc

Specifications

Brake Disc Thickness
20 mm
Centering Diameter
75 mm
Height
61 mm
Minimum thickness
18.4 mm
Outer Diameter
298 mm
Brake Disc Type
Vented
Number of Holes
5
Test Mark
E1 90R-02C0506/1830
Surface
Oiled
Weight
8.836 kg

Vehicle Manufacturers

ALPINA(1 items)

ALPINA

34216767060

BMW(4 items)

BMW

3421 1163 153

BMW

3421 1164 175

BMW

3421 1164 840

BMW

3421 6767 060

Featured videos

Watch maintenance and replacement tutorials on YouTube.

9:44

CDL 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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10:20

Air Brakes Explained Simply :: Service, Parking and Emergency Brakes One & the Same

Smart Drive Test

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About 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 BG3042 have compatible (OE) part numbers?

Yes — it is linked to 5 OE-compatible part number(s), shown in the compatible parts section above.

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