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DELPHI

BG3998C

Brake disc

Specifications

Brake Disc Thickness
24 mm
Centering Diameter
79 mm
Height
73 mm
Minimum thickness
22.4 mm
Outer Diameter
300 mm
Brake Disc Type
Vented
Number of Holes
5
Test Mark
E4 90R-02C0703/2624
Surface
Coated
Weight
11.503 kg

Vehicle Manufacturers

BMW(3 items)

BMW

3411 6764 643

BMW

3411 6772 669

BMW

3411 6854 998

BMW (BRILLIANCE)(3 items)

BMW (BRILLIANCE)

34116764643

BMW (BRILLIANCE)

34116772669

BMW (BRILLIANCE)

34116854998

Featured videos

Watch maintenance and replacement tutorials on YouTube.

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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 BG3998C have compatible (OE) part numbers?

Yes — it is linked to 6 OE-compatible part number(s), shown in the compatible parts section above.

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