2pcs 234-4390 234-4396 O2 Oxygen Sensor 1 Sensor 2 Upstream Downstream for 2004-2005 Mazda 3 2.0L-L4 Canada and Exc Calif. 2004-2005 Mazda 3 2.3L-L4 2006-2007 Mazda 5 2.3L-L4

【Warranty】2 Years.Heated. (Improve fuel efficiency , Stable performance , Durable)
【Placement on Vehicle】Upstream/Front+Downstream Sensor 1 Sensor 2 Type:4-Wire
【Direct Fit Application】234-4390+234-4396 upstream downstream sensor for 2004-2005 Mazda 3 2.0L L4 Canada and Exc Calif. ,for 2004-2005 Mazda 3 2.3L L4, for 2006-2007 Mazda 5 2.3L L4
【Interchange Part Number】234-4390 (L3A118861A, L3A118861B, L3A118861C, L3A118861C9U, L3K218861, L3K218861A, L3K218861B, L3K218861B9U, LF6818861A, LF6818861B, LF6818861B9U, LF6818861C, LF6818861D, LF6818861D9U) & 234-4396 （L3K218861A, L3K218861B, LF6618861B9U, LF6618861C）
【Service Guaranteed】Convenience to use.100% must pass a rigorous professional practice loading test before shipment.The rigorous and meticulous processing process and uses qualified materials that are resistant to high temperatures and corrosion.Meet OEM Standard.Please rest assured to purchase.If you have any questions, contact with us, we will reply you in 24 hours and offer the solve way for you.

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