{"product_id":"x-autohaux-crankshaft-position-sensor-for-nissan-sentra-infiniti-q45-3-pin-direct-fit-23731-4350c","title":"X AUTOHAUX Crankshaft Position Sensor for Nissan Sentra \u0026 Infiniti Q45 — 3-Pin Direct-Fit (23731-4350C)","description":"\u003cp\u003e\u003cstrong\u003eThe X AUTOHAUX 23731-4350C crankshaft position sensor is a direct-fit replacement sensor designed to restore accurate crankshaft timing data for compatible Nissan and Infiniti models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your engine is showing irregular idling, trouble starting, or diagnostic trouble codes related to crankshaft position, a worn or failed crankshaft position sensor can be the root cause. This replacement unit matches several OEM numbers (including 23731-4350C, 23731-4M500, 23731-4M502, 23731-4M505 and SU5745), features a three-pin connector, and is built from metal and durable plastic to withstand engine-bay conditions.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will accept this crankshaft position sensor?\u003c\/h3\u003e\n\n\u003cp\u003eThis sensor is compatible with a broad range of Nissan and Infiniti models across model years. It fits Nissan Sentra (2000–2006) and many larger Nissan\/Infiniti vehicles from mid-2000s to mid-2010s—always verify the OE number and vehicle application before ordering.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFits Nissan Sentra 2000–2006 and select Nissan NV\/Titan\/Armada\/NV3500\/NV2500 models.\u003c\/li\u003e\n  \u003cli\u003eFits Infiniti Q45 (2002–2006), FX45 (2003–2008), M45\/M56 and QX56 across listed years.\u003c\/li\u003e\n  \u003cli\u003eCross-references OEM numbers: 23731-4350C, 23731-4M500, 23731-4M502, 23731-4M505 PC459, 23731-4M506, SU5745.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this replacement sensor perform compared with the original?\u003c\/h3\u003e\n\n\u003cp\u003eThe X AUTOHAUX unit is engineered to deliver stable crankshaft position signals similar to the original equipment it replaces. It uses corrosion-resistant metal contacts and molded plastic housing to provide reliable operation under heat and vibration.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eThree-pin electrical interface matches OEM connector layout.\u003c\/li\u003e\n  \u003cli\u003eDurable plastic and metal construction resists engine- compartment wear.\u003c\/li\u003e\n  \u003cli\u003eManufactured to re-establish accurate timing inputs for the ECU.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before buying and during installation?\u003c\/h3\u003e\n\n\u003cp\u003eConfirming fitment and basic wiring compatibility avoids returns and installation headaches. Inspect the OE part number, connector pin count, and mounting orientation on your vehicle before placing an order.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eVerify OEM number on existing sensor or vehicle parts list.\u003c\/li\u003e\n  \u003cli\u003eConfirm the sensor has a three-pin connector and matching mounting flange.\u003c\/li\u003e\n  \u003cli\u003eClean mounting surface, tighten to manufacturer torque, and reconnect wiring harness securely.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I install this crankshaft sensor myself, and what tools are typically needed?\u003c\/h3\u003e\n\n\u003cp\u003eMany owners with basic mechanical skills can replace the sensor using common hand tools; however, access varies by vehicle. Typical installation requires removing an engine cover or components to reach the sensor, loosening its mounting bolt, swapping the old sensor, and re-securing the connector.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCommon tools: ratchet, socket set, screwdriver, penetrating oil if bolts are seized.\u003c\/li\u003e\n  \u003cli\u003eAllow time to clear any engine covers and ensure the engine is cool.\u003c\/li\u003e\n  \u003cli\u003eAfter installation, clear any diagnostic trouble codes and verify normal idle and starting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers, DIY mechanics, and independent repair shops seeking an affordable, direct-fit replacement crankshaft position sensor for specified Nissan and Infiniti models. If your vehicle shows symptoms like difficult starting, stalling, or a crankshaft-related error code and your OE number matches one of the listed cross-references, this X AUTOHAUX sensor is a practical replacement option to restore reliable crankshaft signal input to the engine control unit.\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: Does this sensor match my vehicle's OEM part number?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check the OEM number on your existing sensor; this unit cross-references 23731-4350C, 23731-4M500, 23731-4M502, 23731-4M505 and SU5745.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many pins does this crankshaft position sensor have?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This replacement sensor uses a three-pin electrical connector matching many Nissan and Infiniti applications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"X AUTOHAUX","offers":[{"title":"Default Title","offer_id":48084420952222,"sku":"B0992K948D","price":30.18,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/x-autohaux-front-view-sensor.jpg?v=1785854784","url":"https:\/\/northtrailauto.ca\/products\/x-autohaux-crankshaft-position-sensor-for-nissan-sentra-infiniti-q45-3-pin-direct-fit-23731-4350c","provider":"North Trail Auto","version":"1.0","type":"link"}