9:44CDL Class A FULL In Cab Inspection and Air Brake Test 2023 - Pass Your CDL Trucking Road Test
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TRW
DF4471S
Brake disc
Specifications
- Brake Disc Thickness
- 32 mm
- Centering Diameter
- 67 mm
- Height
- 54 mm
- Minimum thickness
- 29.4 mm
- Outer Diameter
- 330 mm
- Thread Size
- 15,5
- Bolt Hole Circle Ø
- 112
- Number of Holes
- 5
- Brake Disc Type
- Vented
- Colour
- Black
- Surface
- Painted
- Machining
- High-carbon
- Test Mark
- E190R- 02 C0176/0556
- Weight
- 11.952 kg
Vehicle Manufacturers
MERCEDES(4 items)
MERCEDES
164 421 04 12
MERCEDES
164 421 13 12
MERCEDES
A 164 421 04 12
MERCEDES
A 164 421 13 12
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9:44
10:20Air Brakes Explained Simply :: Service, Parking and Emergency Brakes One & the Same
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14:21About 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 DF4471S have compatible (OE) part numbers?
Yes — it is linked to 4 OE-compatible part number(s), shown in the compatible parts section above.