{"product_id":"walker-250-24188-oxygen-sensor","title":"Walker 250-24188 Oxygen Sensor - Downstream, Downstream Left or Downstream Right","description":"\u003ch2\u003eOverview of Walker 250-24188 Oxygen Sensor\u003c\/h2\u003e\u003cp\u003eThe Walker 250-24188 oxygen sensor is designed specifically for select Lexus, Pontiac, and Toyota models, including the Corolla, Matrix, SC430, and Vibe. This heated oxygen sensor ensures accurate emissions control and optimal engine performance through precise air-fuel mixture monitoring.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Lexus, Pontiac, and Toyota vehicles\u003c\/li\u003e\n\u003cli\u003e29.06-inch wiring harness length for flexible installation\u003c\/li\u003e\n\u003cli\u003e20 gauge wire with 4-wire configuration\u003c\/li\u003e\n\u003cli\u003eRadiused polygon male connector for secure connection\u003c\/li\u003e\n\u003cli\u003e18.0 mm threaded mounting for reliable fit\u003c\/li\u003e\n\u003cli\u003eOverall length of 32.6 inches for proper placement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Walker oxygen sensor (part number 250-24188) features a heated sensor element that allows it to reach operating temperature quickly, improving emissions control efficiency. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring accurate oxygen level readings. The wiring harness length of 29.06 inches provides sufficient reach for installation in the engine bay, while the 20 gauge wire ensures durability and resistance to heat and vibration. The sensor’s radiused polygon male connector is designed for a secure and precise fit, minimizing the risk of disconnection or signal loss. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in compatible exhaust systems. Overall, the sensor measures 32.6 inches in length, accommodating proper placement within the vehicle’s emission system.\u003c\/p\u003e\u003ch2\u003eWalker Products OE Brand Line Information\u003c\/h2\u003e\u003cp\u003eThe Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor is part of the Walker Products OE series, ensuring compatibility and performance consistent with factory-installed components. The OE line is engineered to provide reliable emissions control and maintain vehicle compliance with environmental standards.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Lexus SC430 models requiring a specific heated oxygen sensor\u003c\/li\u003e\n\u003cli\u003eFits Pontiac Vibe models with threaded oxygen sensor mounts\u003c\/li\u003e\n\u003cli\u003eDesigned for Toyota Corolla and Matrix vehicles needing a 4-wire heated sensor\u003c\/li\u003e\n\u003c\/ul\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 or slow response\u003c\/li\u003e\n\u003cli\u003eEngine performance problems related to improper sensor data\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests resulting from sensor malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the vehicle is cool before beginning installation to avoid burns. Use appropriate tools to remove the old sensor and install the Walker 250-24188 sensor by threading it securely into the exhaust port. Connect the radiused polygon male connector firmly to the vehicle’s wiring harness. Verify the wiring harness length and connector orientation to prevent strain or damage. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. The 250-24188 sensor undergoes rigorous testing to comply with emissions regulations. While specific warranty details may vary, Walker Products OE parts typically include a limited warranty against defects in materials and workmanship.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":43531939905717,"sku":"DKHD-250-24188","price":86.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25024188_Fro.jpg?v=1774891615","url":"https:\/\/www.partcatalog.com\/products\/walker-250-24188-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}