{"product_id":"bosch-oxygen-sensor-15719-direct-fit-replacement-for-select-ford-mazda-mercury-fast-heater-stainless-steel","title":"Bosch Oxygen Sensor 15719 — Direct-Fit Replacement for Select Ford\/Mazda\/Mercury, Fast Heater \u0026 Stainless Steel","description":"\u003cb\u003eBosch 15719 is a premium direct-fit oxygen sensor engineered to restore accurate air-fuel monitoring for select Ford, Mazda, and Mercury models.\u003c\/b\u003e\n\n\u003cp\u003eThis Bosch replacement oxygen sensor pairs decades of Bosch sensor engineering with factory-style fit and finish to help your vehicle's engine control system read exhaust oxygen levels precisely. Built with a double laser-welded stainless steel body, a fast-acting heater, and OE-style connectors, this sensor is tested to Bosch standards and shipped ready to install with pre-coated threads to simplify fitting.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this sensor improve engine air-fuel control?\u003c\/h3\u003e\n\u003cp\u003eThe Bosch 15719 supplies timely, reliable oxygen level data to the engine control module so fuel trims and ignition timing can be adjusted correctly. A fast heater element gets the sensing element up to operating temperature in seconds, so the sensor begins sending accurate signals quickly after start-up.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFast-acting heater for rapid warm-up and quicker closed-loop operation\u003c\/li\u003e\n  \u003cli\u003ePrecision sensing element tested for full functionality before shipping\u003c\/li\u003e\n  \u003cli\u003eDirect-fit wiring and connector to maintain original signal integrity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes Bosch 15719 durable for long-term use?\u003c\/h3\u003e\n\u003cp\u003eDurability starts with the housing: Bosch uses a double laser-welded stainless steel construction that is fully sealed and submersible, protecting the sensor from corrosive exhaust and moisture. The sensor’s protection tube bears the seared finish that results from Bosch’s final functional test, an indication of factory-validated performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble laser-welded stainless steel body resists exhaust corrosion\u003c\/li\u003e\n  \u003cli\u003eSealed design prevents contaminants from degrading the sensing element\u003c\/li\u003e\n  \u003cli\u003eFactory-tested appearance confirms each unit met Bosch quality checks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this oxygen sensor easy to install?\u003c\/h3\u003e\n\u003cp\u003eYes — Bosch 15719 is supplied as a true direct-fit replacement with OE-style connectors and harnesses to match the original equipment. Threads come pre-coated with anti-seize compound, removing the need for additional preparations and making installation quicker and less error-prone.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit OE connectors for plug-and-play replacement\u003c\/li\u003e\n  \u003cli\u003ePre-applied anti-seize on threads to protect during installation\u003c\/li\u003e\n  \u003cli\u003eCompatible for upstream or downstream positions depending on vehicle fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and engines will this part fit?\u003c\/h3\u003e\n\u003cp\u003eBosch 15719 is designed for select Ford, Mazda, and Mercury vehicles from the 1990s through early 2010s. Fitment depends on model year, engine and sensor position, so always verify compatibility with your vehicle's specific engine code and the fitment checker before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes many Ford models such as Ranger, F-series, Explorer, Escape, Econoline vans and more\u003c\/li\u003e\n  \u003cli\u003eMazda B-series trucks, Navajo, Tribute among covered Mazda applications\u003c\/li\u003e\n  \u003cli\u003eSelected Mercury vehicles including Cougar, Mariner, Mountaineer, and Tracer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Bosch 15719 is aimed at DIY mechanics and professional technicians who need a reliable, OEM-quality oxygen sensor replacement for older Ford, Mazda, or Mercury vehicles. If your vehicle is showing engine management warnings, poor fuel economy, or failed emissions tests and the diagnosis points to a worn oxygen sensor, this Bosch direct-fit unit offers tested durability, straightforward installation, and Bosch’s long history in oxygen sensor development.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will Bosch 15719 fit my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fitment varies by model year, engine and sensor position. Check your vehicle details with a fitment tool or VIN before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need extra parts to install this sensor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No—threads are pre-coated with anti-seize and it has OE-style connectors, so no additional parts are typically required.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":48082893930654,"sku":"B000BZG8ZA","price":58.67,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/bosch-15719-sensor-front-view.jpg?v=1785818554","url":"https:\/\/northtrailauto.ca\/products\/bosch-oxygen-sensor-15719-direct-fit-replacement-for-select-ford-mazda-mercury-fast-heater-stainless-steel","provider":"North Trail Auto","version":"1.0","type":"link"}