Vehicle Fitment (234-9124 Upstream,Set of 1): Please check Amazon Fitment Filter and Description to see if this item will work on your vehicle before purchase. Reference Number (234-9124 Upstream,Set of 1) (Part Number or OE Number): 36531RNA003, 36531-RNA-003, SU10634, 234-9124, 5S9172, 15268, 753889, 25700, 36531RNAJ01. OEM Quality (234-9124 Upstream,Set of 1): Crafted from premium materials with exceptional durability, the NECATUO O2 Sensor guarantees a prolonged service life. This high-quality sensor not only enhances engine performance and fuel economy but also extends the lifespan of the Catalytic Converter. Easy Installation (234-9124 Upstream,Set of 1): Manufactured to exact OE specifications for perfect fit, form, and function, our products are built to be durable and offer easy installation. Vehicle Fitment: Compatible with HONDA CIVIC 2007-2011 NECATUO 234-9124 Upstream (Set of 1) O2 Oxygen Sensor: OE Number or Part Number36531RNA003, 36531-RNA-003, SU10634, 234-9124, 5S9172, 15268, 753889, 25700, 36531RNAJ01. FITMENT:Compatible with HONDA 2011-2007 CIVIC L4-1.8 Gas Engine ; Upstream.