Keeps your AUDI, BENTLEY, VW running the way it should — this HELLA part restores the original function of a worn or failed Air Quality Sensor OE Ref 4H0.907.658.C, built to OEM reference 4H0907658C rather than a generic approximation.
Technical details are not specified.
HELLA identifies it as 6PX 012 684-071, EAN: 4082300785517. Match that against OEM 4H0907658C or your old part before fitting, particularly if your vehicle's had any running changes across its production years.
Confirmed for selected AUDI, BENTLEY, VW vehicles. Use the vehicle registration lookup tool if you're not certain, or browse Air Conditioning for other options.