DISC BRAKE ROTOR
HELLA BRAKES 355123122 front brake rotor for the 2011-2012 Audi Q5 V6 3.2L, the 2011-2017 Q5 4-cylinder 2.0L and other vehicles gives the brake pads a smooth surface to clamp, which slows the front wheel.
Vibration through the pedal, deep grooves, or a disc worn down to its discard thickness can mean the rotor is worn, though worn pads or a sticking caliper can produce similar symptoms, so find the cause before you replace it.
Among the many Audi models that take these brake rotors are the 2012-2017 Audi A5 Quattro and the 2012-2016 Audi A4. This listing is one rotor, and the other side of the front axle is normally replaced at the same time. If your Audi is not named here, enter it in the "Vehicles it fits" section to see whether it takes this rotor.
Fit and size
Build and materials
This listing holds one front brake rotor; the vehicles take two on the front axle. The wheel hub, wheel studs, wheel bearing and ABS tone ring are not included.
Is this a brake rotor for the 2012-2016 Audi A4?
Yes, HELLA BRAKES 355123122 is a front rotor listed for the 2012-2016 Audi A4; for another Audi, look it up in the "Vehicles it fits" section.
Are wheel studs or a hub included with this HELLA rotor?
No. This front rotor comes with fixing screws, but the wheel hub, wheel studs, wheel bearing and ABS tone ring are not included.
Is this disc brake rotor vented or solid?
HELLA BRAKES 355123122 is internally vented and full cast in gray cast iron. It measures 320 mm across and 30 mm thick when new.
At what thickness does this front rotor need replacing?
The discard thickness is 28 mm, against 30 mm new. A disc that measures 28 mm or less is due for replacement.
Does this rotor need degreasing before it goes on?
No, the surface is non-oiled, so degreasing is not needed; the rotor also has a full zinc coating for rust protection.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.