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AUGER

31289

Brake disc

Vehicle Manufacturers

MERCEDES(8 items)

MERCEDES

6684230312

Brake disc

MERCEDES

6684230512

Brake disc

MERCEDES

668 423 03 12

MERCEDES

668 423 05 12

MERCEDES

A 668 423 03 12

MERCEDES

A 668 423 05 12

MERCEDES

A6684230312

MERCEDES

A6684230512

Component Manufacturers

MERITOR(1 items)

MERITOR

MBR5075

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

Watch 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 31289 have compatible (OE) part numbers?

Yes — it is linked to 9 OE-compatible part number(s), shown in the compatible parts section above.

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