COMPATIBLE with Audi Q5 3.0L DIESEL 2014-2016, Q7 3.0L DIESEL 2013-2015, A8 Quattro 3.0L DIESEL 2015-2016 REPLACES VW / AUDI 8K0 127 400A, 8T0 127 401A, WIX WF8412 HIGHLY EFFICIENT FILTERING AND WATER SEPARATION to meet modern diesel’s engine demands for optimum fuel flow that is free of contaminants and water. PROTECT YOUR ENGINE against damage by keeping particles away from the fuel injector or carburetor. IMPROVE ENGINE PERFORMANCE with ECOGARD Diesel Filters. A clogged or dirty diesel fuel filter can result in difficulty starting, hesitation upon accelerating, decreased fuel economy, and rough idling. PRECISE INLET/OUTLET CONNECTIONS for trouble-free installation.