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DELPHI

BG4312

Brake disc

Specifications

Brake Disc Thickness
10 mm
Centering Diameter
59 mm
Height
40.7 mm
Minimum thickness
9 mm
Outer Diameter
251 mm
Brake Disc Type
solid
Number of Holes
4
Test Mark
E1 90R-02C0100/1608
Surface
Oiled
Weight
5.286 kg

Vehicle Manufacturers

ALFA ROMEO(4 items)

ALFA ROMEO

51805559

ALFA ROMEO

51813705

ALFA ROMEO

51865104

ALFA ROMEO

51865132

Featured videos

Watch maintenance and replacement tutorials on YouTube.

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 BG4312 have compatible (OE) part numbers?

Yes — it is linked to 4 OE-compatible part number(s), shown in the compatible parts section above.

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