N.O.S. Part #13709 Bosch premium oxygen sensor. Distributed by Bosh manufactured by Denso direct OE replacement. DENSO SUPER CLASS OXYGEN SENSOR, 4-WIRE -- 14.96 in. lead wire; An OE direct plug in oxygen sensor; Constructed from high quality stainless steel, porous polytetrafluoroethylene, fluorine rubber, aluminum oxide, high-grade platinum and ceramics; Features double protection layer, aluminum oxide trap layer, porous PTFE filter and stainless steel housing; Specifically designed to meet the challenging demands of today's engines and precision crafted to meet OE standards; Requires no wire cutting.