Not all oxygen sensors are created equal. NGK/NTK is the world"s largest supplier and manufacturer of original equipment oxygen sensors. This means you"re going to get the best sensor with the correct number of wires, at the right length and with the correct plug for your vehicle. In short, because NTK is the largest supplier of OE sensors, you ensure a faster, hassle-free replacement which will help return your vehicle to its ultimate mileage and performance, like when it was new. Additonal Fitment:2002-2007 HONDA VTX1800R 2002-2006 HONDA VTX1800S 2002-2004 HONDA VTX1800C 2000-2003 HONDA CBR900RR 2007-2008 HONDA VTX1800T 2004-2008 HONDA VTX1800N 2001-2001 HONDA CBR900RE 2005-2008 HONDA VTX1800F