{"product_id":"walker-250-25159-oxygen-sensor-upstream","title":"Walker 250-25159 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of Walker OE Base Sensor 250-25159\u003c\/h2\u003e\u003cp\u003eThe Walker OE Base Sensor 250-25159 is a heated wide-band oxygen sensor designed specifically for Nissan Frontier and Suzuki Equator models. This oxygen sensor ensures accurate air-fuel mixture readings to optimize engine performance and emissions control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated wide-band oxygen sensor for precise measurement\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Nissan Frontier and Suzuki Equator\u003c\/li\u003e\n\u003cli\u003e5-wire design with spade terminal type\u003c\/li\u003e\n\u003cli\u003eRectangle-shaped female connector with 6 male terminals\u003c\/li\u003e\n\u003cli\u003eThread size M18 - 1.5 and wrench size 22mm for installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Walker oxygen sensor features a heated element to provide faster sensor response times and improved fuel efficiency. The wide-band sensor type allows for a broader range of air-fuel ratio detection compared to narrow-band sensors, making it suitable for modern engine management systems. The sensor includes a 5-wire configuration with spade terminals, ensuring reliable electrical connections. Its female rectangular connector with six male terminals matches the original equipment specifications for a direct replacement.\u003c\/p\u003e\u003cp\u003eThe thread size of M18 - 1.5 and a wrench size of 22mm facilitate straightforward installation using standard tools. This oxygen sensor is a specific fit for Nissan Frontier and Suzuki Equator vehicles, ensuring compatibility and optimal performance.\u003c\/p\u003e\u003ch2\u003eAbout the Walker OE Base Sensor Product Line\u003c\/h2\u003e\u003cp\u003eThe OE Base Sensor line by Walker is engineered to meet original equipment standards for emission control sensors. This product line focuses on delivering precise sensor performance and durability, making it suitable for direct replacement applications. The 250-25159 oxygen sensor is part of this line, providing a reliable solution for maintaining proper engine emissions and fuel management in Nissan and Suzuki vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accurate oxygen sensing for proper air-fuel mixture control\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and engine hesitation caused by faulty sensors\u003c\/li\u003e\n\u003cli\u003eReduces increased emissions and failed emissions tests\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by ensuring correct sensor feedback\u003c\/li\u003e\n\u003cli\u003eEliminates check engine light codes related to oxygen sensor faults\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Walker OE Base Sensor 250-25159, ensure the vehicle is cool to avoid burns. Use a 22mm wrench to remove the old sensor and install the new one with the M18 - 1.5 thread size. Confirm the connector shape and terminal configuration match the original sensor to guarantee proper fitment. Avoid over-tightening to prevent damage to the sensor or exhaust manifold.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eWalker OE Base Sensors are manufactured to meet strict quality standards for emission control components. While specific warranty details are not provided here, Walker products typically undergo rigorous testing to ensure durability and reliable performance in Nissan Frontier and Suzuki Equator vehicles.\u003c\/p\u003e","brand":"Walker","offers":[{"title":"Default Title","offer_id":52119368335541,"sku":"DKHD-250-25159","price":101.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/O2_25025159_Fro.jpg?v=1775162299","url":"https:\/\/www.partcatalog.com\/products\/walker-250-25159-oxygen-sensor-upstream","provider":"PartCatalog","version":"1.0","type":"link"}