14:21Specifications
- Brake Disc Thickness
- 28 mm
- Centering Diameter
- 64 mm
- Height
- 47.2 mm
- Minimum thickness
- 26.5 mm
- Outer Diameter
- 300 mm
- Brake Disc Type
- perforated/vented
- Number of Holes
- 5
- Supplementary Article/Supplementary Info 2
- with bolts/screws
- Surface
- Coated
- Weight
- 8.875 kg
Vehicle Manufacturers
ACURA(4 items)
ACURA
45251SEAJ01
ACURA
45251TA1A00
ACURA
45251TA1A01
ACURA
45251TB0W00
HONDA(3 items)
HONDA
45251SEAJ01
HONDA
45251TA1A00
HONDA
45251TA1A01
HONDA (DONGFENG)(1 items)
HONDA (DONGFENG)
45251TB0W00
HONDA (GAC)(1 items)
HONDA (GAC)
45251TB0W00
PROTON(1 items)
PROTON
45251TA1A01
Other brands compatible with the same OE
5 total
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14:21
12:32CDL Air Brakes Test 2024 (MOST Common Questions and Answers)
Driving Academy | CDL Truck Driving School
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12:53About 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 09.B621.1X have compatible (OE) part numbers?
Yes — it is linked to 10 OE-compatible part number(s), shown in the compatible parts section above.