NGK NTK Downstream O2 Oxygen Sensor for 1999-2004 Subaru Forester 2.5L H4 - fj

Denso Downstream Oxygen Sensor for 2004-2005 Subaru Outback 2.5L H4 Exhaust vz

Denso Downstream Oxygen Sensor for 2005-2009 Subaru Outback 2.5L H4 Exhaust yr

NGK NTK Upstream AFR O2 Oxygen Sensor for 2004-2009 Subaru Outback 2.5L H4 - pr

Denso Downstream Oxygen Sensor for 2000-2004 SUBARU OUTBACK H4-2.5L

NGK NTK Downstream Oxygen Sensor for 2013-2020 Mazda CX-5 2.0L 2.5L L4 O2 qr

NGK NTK Downstream Oxygen Sensor for 2016-2020 Subaru Crosstrek 2.0L H4 O2 jx

Bosch Downstream Oxygen Sensor for 2011-2018 Subaru Forester 2.0L 2.5L H4 O2 gu