{"product_id":"ntk-24440-oxygen-sensor-downstream-rear","title":"NTK 24440 Oxygen Sensor - Downstream Rear","description":"\u003ch2\u003eDirect Fit Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eNTK Oxygen Sensor 24440 is a specific-fit, heated sensor built for emission control applications. It is engineered with a threaded mounting design and a 4-wire configuration for reliable signal delivery and OE-style fitment.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor for faster operating response\u003c\/li\u003e\n\u003cli\u003eSpecific-fit design for direct replacement use\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type for secure installation\u003c\/li\u003e\n\u003cli\u003e4-wire construction for signal and heater circuit operation\u003c\/li\u003e\n\u003cli\u003e18 mm thread diameter and 21.5 in. wiring harness length\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNTK 24440 is part of the Direct Fit Oxygen Sensor line, which focuses on application-specific coverage and OE-style fit, form, and function. As an oxygen sensor for the Acura RL, this unit is built to match the original configuration used in 2009-2012 models with downstream rear placement. NTK draws on its role as a major OE oxygen sensor supplier and uses manufacturing controls that emphasize consistency and reliability. Part number 24440 is a practical replacement choice when restoring proper exhaust feedback and emissions system performance.\u003c\/p\u003e\u003cp\u003eThis part cross-references DENSO Auto Parts 234-4351 and Baldwin 18031 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or slow-responding oxygen sensor\u003c\/li\u003e\n\u003cli\u003eRestoring accurate exhaust gas feedback to the engine control system\u003c\/li\u003e\n\u003cli\u003eAddressing emissions-related fault codes tied to sensor performance\u003c\/li\u003e\n\u003cli\u003eCorrecting drivability issues caused by incorrect air-fuel feedback\u003c\/li\u003e\n\u003cli\u003eMaintaining proper emissions system operation on the Acura RL\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 2009-2012 Acura RL, downstream rear. Verify connector style, thread size, and harness routing before installation. The threaded mounting design supports a direct-fit replacement process, and the 21.5-inch harness length should be checked against the original sensor layout. Part number 24440 should be matched to the vehicle’s original sensor location and configuration before service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNTK tests these oxygen sensors during manufacturing to meet or exceed OE specifications. The brand’s OE-supplier background and ceramic manufacturing expertise support consistent fit and function across the application range for part number 24440.\u003c\/p\u003e","brand":"NTK","offers":[{"title":"Default Title","offer_id":53731392946357,"sku":"BFPZ-24440","price":70.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NO_24440_Fro.jpg?v=1794295467","url":"https:\/\/www.partcatalog.com\/products\/ntk-24440-oxygen-sensor-downstream-rear","provider":"PartCatalog","version":"1.0","type":"link"}