The Denso O2 Sensor offered by Hybrid Racing is the perfect fit for any K Swap that aims to use a wideband tuning solution. The DEN-234-9005 is designed to fit the 2002-2004 Acura RSX, 2002-2005 Honda Civic Si, and 2002-2004 Honda CRV, all of which offer compatible ECUs for Hondata KPro making this small piece a vital upgrade for both these chassis and K Swaps. 

Replaces OEM part number  36531-PRB-A01.

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