{"product_id":"walker-250-21031-oxygen-sensor","title":"Walker 250-21031 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker 250-21031 Oxygen Sensor for Honda Civic\u003c\/h2\u003e\u003cp\u003eThe Walker 250-21031 oxygen sensor is designed specifically for Honda Civic models, providing precise emission control monitoring. This non-heated sensor ensures accurate air-fuel mixture readings to help maintain optimal engine performance and emissions compliance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWiring harness length: 15.28 inches\u003c\/li\u003e\n\u003cli\u003eWire gauge measurement: 20 gauge\u003c\/li\u003e\n\u003cli\u003eSensor type: Non heated\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Honda Civic\u003c\/li\u003e\n\u003cli\u003eSingle wire configuration\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector\u003c\/li\u003e\n\u003cli\u003eThread diameter: 18.0 mm\u003c\/li\u003e\n\u003cli\u003eOverall length: 18.82 inches\u003c\/li\u003e\n\u003cli\u003eThreaded mounting type\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWalker Products OE Brand Line Details\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality parts. Walker Products OE components are engineered to meet or exceed factory specifications, ensuring compatibility and reliable performance for emission control systems. The 250-21031 sensor reflects this commitment by matching the exact fit and function required for Honda Civic vehicles.\u003c\/p\u003e\u003ch2\u003eProduct Description and Specifications\u003c\/h2\u003e\u003cp\u003eThe Walker 250-21031 oxygen sensor features a non-heated design with a single 20-gauge wire, making it suitable for specific Honda Civic applications. Its 15.28-inch wiring harness length and radiused polygon male connector provide a secure and precise connection. The sensor mounts via an 18.0 mm threaded fitting, with an overall length of 18.82 inches to fit OEM locations accurately. This sensor is engineered to monitor exhaust oxygen levels, enabling the engine control unit to adjust fuel delivery for efficient combustion and reduced emissions.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate air-fuel ratio readings for Honda Civic engines\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and poor fuel economy\u003c\/li\u003e\n\u003cli\u003eReduces emissions by ensuring proper catalytic converter function\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eSupports smooth engine performance and drivability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker 250-21031 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Connect the radiused polygon male connector securely to the corresponding harness on the Honda Civic. Verify wiring harness length and routing to avoid tension or damage during operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 250-21031 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability in emission control applications.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43528087175349,"sku":"DKHD-250-21031","price":65.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25021031_Fro.jpg?v=1774891498","url":"https:\/\/www.partcatalog.com\/products\/walker-250-21031-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}