{"product_id":"bosch-17321-oxygen-sensor-direct-fit-oe-replacement-for-ford-lincoln-expedition-to-navigator","title":"Bosch 17321 Oxygen Sensor – Direct-Fit OE Replacement for Ford \u0026 Lincoln (Expedition to Navigator)","description":"\u003cp\u003eWith a legacy that began in the late 1960s, Bosch Oxygen Sensors are built on decades of automotive sensor engineering. The 17321 sensor features a robust double laser-welded stainless steel body that stays sealed against exhaust contaminants, helping the unit resist corrosion and deliver durable performance over time. The protection tube's seared appearance signals thorough factory testing, a sign of Bosch's commitment to quality and consistency.\u003c\/p\u003e\n\u003ch3\u003eCore benefits you may rely on\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDurable stainless steel body, fully submersible and sealed to resist exhaust exposure, extending service life.\u003c\/li\u003e\n\u003cli\u003eFast acting heater accelerates temperature rise for quick operation on Planar and 3, 4, and 5 wire sensor configurations.\u003c\/li\u003e\n\u003cli\u003eDirect fit OE connectors and harnesses with threads pre coated with anti seize compound for straightforward installation.\u003c\/li\u003e\n\u003cli\u003e100 percent factory testing ensures sensor functionality before packaging, helping reduce installation surprises.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBosch's approach blends advanced materials with precise calibration, ensuring the sensor responds quickly to changes in exhaust composition and maintains signal stability across driving conditions. This combination supports reliable monitoring and helps align with OEM performance expectations.\u003c\/p\u003e\n\u003ch3\u003eWhat to expect during installation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTrue direct fit design minimizes guesswork and simplifies replacement, with compatible OE connectors for many Ford and Lincoln models.\u003c\/li\u003e\n\u003cli\u003eSealed stainless body and protected electronics help withstand exposure to exhaust gases and heat.\u003c\/li\u003e\n\u003cli\u003ePre coated threads help you avoid seizing during installation, saving time and effort.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility overview\u003c\/h3\u003e\n\u003cp\u003eThe Bosch 17321 sensor is designed for select Ford and Lincoln applications. It suits vehicles such as Expedition, Explorer, E-Series, Flex, Focus, F-Series, Mustang, Taurus, Transit, and Lincoln MKC, MKS, MKT, Navigator within specified year ranges. Always verify fit with the car's VIN or the online fit checker to ensure exact sensor position and engine configuration.\u003c\/p\u003e\n\u003ch3\u003eReal world use scenarios\u003c\/h3\u003e\n\u003cp\u003eOwners may notice smoother engine response as the sensor operates within its intended temperature range, aided by the heater. Regular replacement at manufacturer recommended intervals can help maintain sensor function, support efficient combustion, and help your vehicle run closer to its designed performance envelope. These outcomes depend on many factors, including driving conditions and maintenance history.\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: Which vehicles are compatible with the Bosch 17321 oxygen sensor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with select Ford and Lincoln models; verify fit using the fit checker for exact year and engine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What installation features help with installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Direct-fit OE connectors, pre-coated threads with anti-seize, and a sealed stainless steel body aid easy replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":42495027806293,"sku":"B00EZQIOUI","price":62.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/bosch-17321-oxygen-sensor-body.jpg?v=1778669567","url":"https:\/\/plentytorque.co.uk\/products\/bosch-17321-oxygen-sensor-direct-fit-oe-replacement-for-ford-lincoln-expedition-to-navigator","provider":"PlentyTorque","version":"1.0","type":"link"}