{"product_id":"denso-234-4420-oxygen-sensor-upstream","title":"Denso 234-4420 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOE Style Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Denso 234-4420 is a specific-fit oxygen sensor built to OE standards for exact replacement and first-time fit. It is a heated, threaded sensor with a 4-wire design and a male connector for direct service replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit oxygen sensor for direct replacement service\u003c\/li\u003e\n\u003cli\u003eHeated sensor design for accurate exhaust feedback\u003c\/li\u003e\n\u003cli\u003e4-wire construction with male connector\u003c\/li\u003e\n\u003cli\u003eThreaded mounting with 0.708-inch 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 234-4420 is engineered as an OE-style oxygen sensor for emissions control applications where precise air-fuel feedback matters. The sensor uses Denso's aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting consistent operation and long service life. For drivers and technicians servicing a Chevrolet Epica or Suzuki Verona, this oxygen sensor is built to match the original application requirements and restore proper upstream sensor function.\u003c\/p\u003e\u003cp\u003eThis part cross-references Bosch 15240 and NTK 25191 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat This Part Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light related to upstream oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eIncorrect air-fuel mixture feedback to the engine control system\u003c\/li\u003e\n\u003cli\u003eReduced fuel economy caused by a worn oxygen sensor\u003c\/li\u003e\n\u003cli\u003eEmissions test failures tied to sensor performance\u003c\/li\u003e\n\u003cli\u003eSlow or inconsistent sensor response in exhaust monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 2006 Chevrolet Epica, upstream. Fits 2006 Suzuki Verona, upstream. Verify connector style, thread diameter, and harness length before installation. Use the vehicle's original sensor location and confirm the threaded mounting point is clean and free of corrosion for proper seating.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDenso manufactures and tests this oxygen sensor to strict OE standards. The OE Style line is built for exact replacement fitment and first-time installation accuracy.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":53636916445365,"sku":"BBNF-234-4420","price":99.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344420_Fro.jpg?v=1793337690","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4420-oxygen-sensor-upstream","provider":"PartCatalog","version":"1.0","type":"link"}