{"product_id":"denso-234-4916-oxygen-sensor-downstream","title":"Denso 234-4916 Oxygen Sensor - Downstream","description":"\u003ch2\u003eOE-style oxygen sensor replacement\u003c\/h2\u003e\u003cp\u003eThis Denso oxygen sensor is a specific-fit, heated replacement built to OE standards for direct installation. It is engineered for the Porsche Boxster downstream application and uses a threaded mounting design for a precise first-time fit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for faster operating response.\u003c\/li\u003e\n\u003cli\u003eSpecific-fit design for exact application matching.\u003c\/li\u003e\n\u003cli\u003e4-wire female connector for OE-style electrical connection.\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 0.708 thread diameter.\u003c\/li\u003e\n\u003cli\u003eOE Style line focused on exact replacement fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed product overview\u003c\/h2\u003e\u003cp\u003eDenso 234-4916 is an OE Style oxygen sensor built for the 2003-2004 Porsche Boxster, downstream, with OE-style replacement dimensions and connector configuration. The sensor uses Denso's aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting stable engine operation and fuel efficiency over time. For buyers searching for a Porsche Boxster oxygen sensor or a Denso 234-4916 downstream sensor, this part is built around exact-fit replacement requirements.\u003c\/p\u003e\u003cp\u003eThis part cross-references ACDelco 213-3878 and Bosch 16506 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon replacement issues\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light related to oxygen sensor performance.\u003c\/li\u003e\n\u003cli\u003eIncorrect downstream air-fuel feedback readings.\u003c\/li\u003e\n\u003cli\u003eReduced fuel economy caused by a worn sensor element.\u003c\/li\u003e\n\u003cli\u003eSlow sensor response from contamination or age.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation notes and quality\u003c\/h2\u003e\u003cp\u003eVerify connector style, wire count, and thread diameter before installation. This sensor is a specific-fit, threaded replacement, so matching the OE application details is important for proper installation. Denso manufactures and tests these sensors to OE standards for exact replacement fitment and first-time fit.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":53439803326645,"sku":"BBNF-234-4916","price":102.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344916_Fro.jpg?v=1791270870","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4916-oxygen-sensor-downstream","provider":"PartCatalog","version":"1.0","type":"link"}