{"product_id":"denso-234-9129-air-fuel-ratio-sensor","title":"Denso 234-9129 Air \/ Fuel Ratio Sensor - Upstream, Upstream Left or Upstream Right","description":"\u003ch2\u003eOverview of the Denso OE Style Air\/Fuel Ratio Sensor\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Air\/Fuel Ratio Sensor 234-9129 is designed specifically for select Lexus and Toyota models, including the GS350, GS450h, IS250, IS350, and Yaris. This heated sensor ensures accurate air and fuel mixture readings to support optimal engine performance and emissions control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster warm-up and accurate readings\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Lexus and Toyota models listed\u003c\/li\u003e\n\u003cli\u003e13.78-inch wiring harness length for proper installation\u003c\/li\u003e\n\u003cli\u003eFour-wire configuration for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eRegular grade type ensuring OEM-level quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Denso 234-9129 air\/fuel ratio sensor is engineered to meet the exact specifications of the original equipment for compatible Lexus and Toyota vehicles. Featuring a heated sensor element, it quickly reaches operating temperature to provide precise air-to-fuel ratio data to the engine control unit (ECU). This sensor’s 13.78-inch wiring harness length and four-wire design facilitate straightforward installation and secure electrical connections. As part of Denso's OE Style product line, this sensor is manufactured to closely replicate the original sensor’s performance and fitment, ensuring consistent emissions control and engine efficiency.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air\/fuel mixture readings for improved fuel economy\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to sensor faults\u003c\/li\u003e\n\u003cli\u003eHelps reduce emissions by maintaining proper combustion\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eSupports hybrid and conventional engine management systems in Lexus GS450h and other models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility with Lexus GS350, GS450h, IS250, IS350, or Toyota Yaris before installation\u003c\/li\u003e\n\u003cli\u003eHandle the sensor carefully to avoid damage to the heated element and wiring harness\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications when tightening to prevent sensor damage\u003c\/li\u003e\n\u003cli\u003eCheck for any exhaust leaks that could affect sensor readings after installation\u003c\/li\u003e\n\u003cli\u003eReset the ECU or clear diagnostic trouble codes following replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso’s OE Style line is designed to provide reliable, OEM-quality replacement parts that meet strict manufacturing standards. The 234-9129 air\/fuel ratio sensor undergoes rigorous testing to ensure durability and performance consistent with original equipment. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship to support long-term use in Lexus and Toyota vehicles.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43979133092021,"sku":"BBNF-234-9129","price":202.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2349129_Fro.jpg?v=1775007509","url":"https:\/\/www.partcatalog.com\/products\/denso-234-9129-air-fuel-ratio-sensor","provider":"PartCatalog","version":"1.0","type":"link"}