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HELLA

8DD 355 129-221

Brake disc

Specifications

Brake Disc Thickness
30 mm
Centering Diameter
68 mm
Height
51.9 mm
Inner Diameter
146 mm
Minimum thickness
28 mm
Outer Diameter
345 mm
Brake Disc Type
internally vented
Machining
High-carbon
Surface
Coated
Bolt Hole Circle Ø
112
Hole Arrangement/Number
05/06
Wheel Bolt Bore Diameter
15.3
Supplementary Article/Supplementary Info 2
without wheel hub
Number of bolts/screws
1
Weight
11.3

Vehicle Manufacturers

AUDI(7 items)

AUDI

4G0 615 301

AUDI

4G0 615 301 AF

AUDI

4G0 615 301 G

AUDI

4G0 615 301 M

AUDI

4G0 615 301 Q

AUDI

4G0615301AE

AUDI

4G0698996

AUDI (FAW)(5 items)

AUDI (FAW)

4G0 615 301

AUDI (FAW)

4G0 615 301 AF

AUDI (FAW)

4G0 615 301 G

AUDI (FAW)

4G0615301M

AUDI (FAW)

4G0615301Q

PORSCHE(2 items)

PORSCHE

95B.615.301.B

PORSCHE

95B615301M

SEAT(5 items)

SEAT

4G0 615 301

SEAT

4G0 615 301 AF

SEAT

4G0 615 301 G

SEAT

4G0 615 301 M

SEAT

4G0 615 301 Q

SKODA(5 items)

SKODA

4G0 615 301

SKODA

4G0 615 301 AF

SKODA

4G0 615 301 G

SKODA

4G0 615 301 M

SKODA

4G0 615 301 Q

VW(5 items)

VW

4G0 615 301

VW

4G0 615 301 AF

VW

4G0 615 301 G

VW

4G0 615 301 M

VW

4G0 615 301 Q

VW (SVW)(5 items)

VW (SVW)

4G0 615 301

VW (SVW)

4G0 615 301 AF

VW (SVW)

4G0 615 301 G

VW (SVW)

4G0 615 301 M

VW (SVW)

4G0 615 301 Q

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 8DD 355 129-221 have compatible (OE) part numbers?

Yes — it is linked to 34 OE-compatible part number(s), shown in the compatible parts section above.

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