{"product_id":"walker-250-241301-oxygen-sensor-downstream","title":"Walker 250-241301 Oxygen Sensor - Downstream","description":"\u003ch2\u003eWalker OE Base Oxygen Sensor 250-241301\u003c\/h2\u003e\u003cp\u003eWalker OE Base Sensor 250-241301 is a narrow-band oxygen sensor built for engine management feedback in emission control systems. It is a heated, 4-wire replacement sensor with an M18 x 1.5 thread, blade terminals, and an oblong male connector for application-specific OE-style fitment.\u003c\/p\u003e\u003cp\u003eThe OE Base Sensor line from Walker Products focuses on direct replacement oxygen and air-fuel sensors for specific vehicle applications. For drivers diagnosing a check engine light, poor fuel economy, rough running, or elevated exhaust emissions, the sensor signal is a key input the ECU uses to adjust fuel control.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number 250-241301 for OE-style oxygen sensor replacement\u003c\/li\u003e\n\u003cli\u003eHeated narrow-band sensor for closed-loop engine management feedback\u003c\/li\u003e\n\u003cli\u003e4-wire design with blade terminals and 4 terminal positions\u003c\/li\u003e\n\u003cli\u003eOblong male connector for application-specific electrical connection\u003c\/li\u003e\n\u003cli\u003eM18 x 1.5 thread size for direct-thread mounting where specified\u003c\/li\u003e\n\u003cli\u003eWalker OE Base Sensor line engineered for vehicle-specific fitment and ECU feedback\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWalker Products 250-241301 is an oxygen sensor intended for emission control and fuel-trim monitoring on vehicles that use a narrow-band sensor strategy. It is built to match the required application, fitment position, and diagnostic feedback expected by the ECU. If you are servicing a Honda Civic, Toyota Corolla, or similar vehicle that uses this sensor configuration, this part number 250-241301 provides the OE-style replacement format needed for accurate exhaust oxygen reporting.\u003c\/p\u003e\u003cp\u003eThis sensor is part of Walker’s OE Base Sensor line, which is focused on direct replacement engine management sensors for specific vehicle applications. The heated design helps the sensor reach operating temperature faster, supporting stable signal output once the engine is running. This makes it a practical choice when replacing a worn oxygen sensor that has triggered fault codes or affected drivability.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light related to oxygen sensor performance\u003c\/li\u003e\n\u003cli\u003eRough idle or poor engine operation caused by incorrect air-fuel feedback\u003c\/li\u003e\n\u003cli\u003eIncreased fuel consumption from inaccurate ECU fuel control\u003c\/li\u003e\n\u003cli\u003eHigher exhaust emissions from a degraded sensor signal\u003c\/li\u003e\n\u003cli\u003eFault codes tied to the affected sensor circuit or related systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the connector shape, terminal count, wire count, and thread size before installation. Inspect the sensor wiring harness and connector for heat damage, corrosion, or physical wear, since damaged wiring can shorten sensor life and affect signal quality. Verify the sensor position on the vehicle matches the required application before replacement.\u003c\/p\u003e\u003cp\u003eFor Honda Civic and Toyota Corolla service work, confirm the exact engine and sensor location against the vehicle’s original configuration before ordering or installing part number 250-241301.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWalker Products has manufactured engine management and fuel system components since 1946 and operates as an ISO 9001\/TS 16949 certified company. The OE Base Sensor line is built around application-specific replacement requirements for consistent ECU feedback and dependable emission control service.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52985191825589,"sku":"DKHD-250-241301","price":120.86,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_250241301_Fro.jpg?v=1787122269","url":"https:\/\/www.partcatalog.com\/products\/walker-250-241301-oxygen-sensor-downstream","provider":"PartCatalog","version":"1.0","type":"link"}