{"product_id":"walker-250-25161-oxygen-sensor-upstream-or-upstream-right","title":"Walker 250-25161 Oxygen Sensor - Upstream or Upstream Right","description":"\u003ch2\u003eOverview of Walker OE Base Sensor Oxygen Sensor 250-25161\u003c\/h2\u003e\u003cp\u003eThe Walker OE Base Sensor 250-25161 is a heated wide-band oxygen sensor designed specifically for select Cadillac and Subaru models. Engineered to provide accurate air-fuel ratio readings, this sensor supports optimal engine performance and emission control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated wide-band oxygen sensor for precise measurement\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Cadillac XLR and Subaru Forester, Impreza, Legacy, Outback\u003c\/li\u003e\n\u003cli\u003eSpade terminal type with 6 male terminals and 5 wires\u003c\/li\u003e\n\u003cli\u003eRectangular female connector for secure connection\u003c\/li\u003e\n\u003cli\u003eThread size M18 - 1.5 with 22mm wrench size for installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Walker OE Base Sensor oxygen sensor (part number 250-25161) features a heated design that allows it to reach operating temperature quickly, improving sensor response time and reducing emissions during cold starts. The wide-band sensor type provides a broad measurement range of oxygen levels in the exhaust, enabling precise air-fuel mixture adjustments. The sensor includes a spade terminal type with six male terminals and five wires, ensuring reliable electrical connections. Its rectangular female connector shape is designed for a secure and specific fit, compatible with the wiring harnesses of Cadillac XLR and Subaru Forester, Impreza, Legacy, and Outback models. The sensor threads into the exhaust system with an M18 - 1.5 thread size and requires a 22mm wrench for installation.\u003c\/p\u003e\u003ch2\u003eAbout the OE Base Sensor Product Line\u003c\/h2\u003e\u003cp\u003eThe Walker OE Base Sensor line focuses on delivering oxygen sensors that meet original equipment specifications for fit, form, and function. This product line emphasizes precise sensor technology and durable construction to maintain emission control system integrity. The 250-25161 sensor is part of this line, ensuring compatibility and performance aligned with factory standards for the specified Cadillac and Subaru vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for proper engine management\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and poor fuel economy\u003c\/li\u003e\n\u003cli\u003eReduces emissions by maintaining correct air-fuel ratios\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves overall engine performance and drivability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker OE Base Sensor 250-25161, ensure the vehicle is compatible with this specific fit sensor for Cadillac XLR or Subaru Forester, Impreza, Legacy, and Outback models. Use a 22mm wrench to remove the old sensor and install the new one with the M18 - 1.5 thread size. Verify the connector's rectangular female shape matches the vehicle harness and that the spade terminals align correctly. Avoid over-tightening to prevent damage to the sensor or exhaust threads.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker OE Base Sensors are manufactured to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided here, Walker products typically come with a limited warranty covering defects in materials and workmanship. This ensures reliable operation and peace of mind when replacing oxygen sensors on Cadillac and Subaru vehicles.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52119368401077,"sku":"DKHD-250-25161","price":99.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25025161_Fro.jpg?v=1775162299","url":"https:\/\/www.partcatalog.com\/products\/walker-250-25161-oxygen-sensor-upstream-or-upstream-right","provider":"PartCatalog","version":"1.0","type":"link"}