b is a vag engine oil filter element, mainly used on vw/audi/seat/škoda 1.8 tsi and 2.0 tsi petrol engines.
common applications include:
vw golf mk7 / mk7.5 — 1.8 tsi, 2.0 tsi/gti/r
vw passat b8 — 1.8/2.0 tsi
vw tiguan — 1.8/2.0 tsi
vw arteon — 2.0 tsi
vw jetta — 1.8/2.0 tsi
vw beetle — 1.8/2.0 tsi
audi a3 / s3 — 1.8/2.0 tfsi
audi a4 / a5 — 1.8/2.0 tfsi
audi q3 / q5 / q7 — 2.0 tfsi
audi tt/tts — 2.0 tfsi
škoda octavia / superb / kodiaq
seat ateca / leon / tarraco