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This is an OE Denso Primary / Upstream O2 sensor (wideband) for Hondata KPro applications. Use as an OE Replacement or for K swap applications that are using a Kpro ECU setup.
Fits:
- 2002-2004 Acura RSX
- 2002-2004 Acura RSX Type S
- 2002-2004 Honda CRV
- 2002-2005 Civic D17A
- 2002-2005 Civic Si K20 / EP3
- K20/K24 Swap cars (Must use a high quality jumper harness)