{"product_id":"walker-250-22003-oxygen-sensor","title":"Walker 250-22003 Oxygen Sensor - Downstream or Upstream","description":"\u003ch2\u003eOverview of Walker 250-22003 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 250-22003 oxygen sensor is designed specifically for select Geo and Toyota models, including the Celica, Corolla, MR2, and Prizm. This non-heated sensor provides precise emission control by monitoring oxygen levels in the exhaust system to optimize engine performance and reduce emissions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWiring harness length: 16.46 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\u003eWire quantity: 2 wires\u003c\/li\u003e\n\u003cli\u003eConnector shape: Radiused polygon\u003c\/li\u003e\n\u003cli\u003eConnector gender: Male\u003c\/li\u003e\n\u003cli\u003eThread diameter: 18.0 mm\u003c\/li\u003e\n\u003cli\u003eOverall length: 20.0 inches\u003c\/li\u003e\n\u003cli\u003eMounting type: Threaded\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 and fitment. The Walker Products OE line ensures that each sensor meets strict manufacturing standards for durability and performance, making it a reliable replacement for factory-installed components on compatible vehicles.\u003c\/p\u003e\u003ch2\u003eProduct Description and Specifications\u003c\/h2\u003e\u003cp\u003eThe Walker 250-22003 oxygen sensor features a threaded mounting type with an 18.0 mm thread diameter, allowing for secure installation in the exhaust system. Its 16.46-inch wiring harness and 20.0-inch overall length provide adequate reach for proper connection. The sensor uses a 20 gauge wire and includes two wires with a male radiused polygon connector, ensuring compatibility with the vehicle’s wiring harness. As a non-heated sensor, it is designed for specific applications where heated sensors are not required.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGeo Celica\u003c\/li\u003e\n\u003cli\u003eToyota Celica\u003c\/li\u003e\n\u003cli\u003eToyota Corolla\u003c\/li\u003e\n\u003cli\u003eToyota MR2\u003c\/li\u003e\n\u003cli\u003eGeo Prizm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis oxygen sensor is engineered for specific fitment on these models, providing accurate air-fuel mixture readings to support emission control systems and engine management.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Oxygen Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIncorrect air-fuel mixture readings causing poor fuel economy\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by faulty oxygen sensor signals\u003c\/li\u003e\n\u003cli\u003eIncreased emissions due to sensor failure\u003c\/li\u003e\n\u003cli\u003eEngine performance issues such as rough idling or hesitation\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests related to sensor malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the vehicle is cool before installation to avoid burns. Use the correct tools to remove the old sensor and install the Walker 250-22003 oxygen sensor by threading it securely into place. Verify the connector matches the male radiused polygon shape and connect the wiring harness firmly. Avoid over-tightening the sensor to prevent damage to the threads.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker Products OE oxygen sensors are manufactured to meet or exceed OEM specifications. While specific warranty details for part number 250-22003 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to ensure reliable operation.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43528091762869,"sku":"DKHD-250-22003","price":50.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25022003_Fro.jpg?v=1774891504","url":"https:\/\/www.partcatalog.com\/products\/walker-250-22003-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}