Part number 638 566. Sensor Type NTC Sensor. AUDI 03L 906 088E. Exhaust System for vehicles with factory fitted soot -/particulate filter. Fitting Position after soot particulate filter. AUDI A4 B8 (8K2) 2.0 TDI quattro [2008.01 - 2012.03] 125 Kw 170 HP 1968 ccm Transmission Type : Manual Transmission.
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