4 Wire Non-Flanged original equipment identical oxygen sensor, direct plug in, no cutting or splicing. 21.25" (540mm) wire length. Sample Image may vary from actual product All NGK/NTK Oxygen Sensors are platinum coated for durability and are individually tested to guarantee quality. You can be assured the NTK oxygen sensor for your car will install as quickly and plug in exactly as if you bought it from the dealer, as NTK i