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JAPANPARTS

DI-3100C

Brake disc

Specifications

Brake Disc Thickness
25 mm
Centering Diameter
68 mm
Height
46.5 mm
Inner Diameter
143 mm
Minimum thickness
23 mm
Outer Diameter
326 mm
Brake Disc Type
internally vented
Surface
Coated
Bolt Hole Circle Ø
114.3
Wheel Bolt Bore Diameter
13.3
Supplementary Article/Supplementary Info 2
without wheel bearing
Number of bores
5
Number of mounting bores
1
for OE number
DN4J33251
Weight
9.495 kg

Vehicle Manufacturers

MAZDA(1 items)

MAZDA

DN4J33251

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 DI-3100C have compatible (OE) part numbers?

Yes — it is linked to 1 OE-compatible part number(s), shown in the compatible parts section above.

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