{"product_id":"engine-oil-pressure-sensor-switch-pressure-sensor-for-sea-doo-seadoo-4-tec-rxt-x-gtx-gtr-gti-rxp-rxt","title":"Sea-Doo 4-TEC Oil Pressure Sensor – P\/N 420856533 (RXP, RXT, GTX, GTR, GTI)","description":"\u003ch2\u003eRole of the oil pressure sensor on a Rotax 4-TEC engine\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eoil pressure sensor\u003c\/strong\u003e is an essential safety component of the Rotax 4-TEC engine. It monitors the lubrication circuit pressure in real time and transmits an electrical signal to the ECU. In the event of a pressure drop, the system triggers an alert or shuts down the engine to prevent internal damage.\u003c\/p\u003e\u003cp\u003eA faulty sensor can cause false alerts, untimely engine shutdown, or conversely, mask insufficient pressure and lead to serious damage to the bearings and camshaft.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 420856533 \/ 55233423\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eType:\u003c\/strong\u003e Varistor Type Oil Pressure Sensor\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSignal:\u003c\/strong\u003e Voltage Signal\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eTechnology:\u003c\/strong\u003e Piezoelectric\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Rotax 4-TEC engines (1503 cm³)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e OEM quality aftermarket part\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003ch2\u003eCompatibility – Sea-Doo 4-TEC Models\u003c\/h2\u003e\u003cp\u003eThis sensor is compatible with Sea-Doo personal watercraft and tenders equipped with the \u003cstrong\u003eRotax 4-TEC 1503 cm³\u003c\/strong\u003e engine:\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSea-Doo RXP\u003c\/strong\u003e – all 4-TEC years\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSea-Doo RXT \/ RXT-X\u003c\/strong\u003e – all 4-TEC years\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSea-Doo GTX \/ GTX Limited\u003c\/strong\u003e – all 4-TEC years\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSea-Doo GTR\u003c\/strong\u003e – all 4-TEC years\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSea-Doo GTI SE\u003c\/strong\u003e – 4-TEC versions\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWilliams Sportjet Tenders\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWilliams 435 Sportjet – Sport\u003c\/strong\u003e (Rotax ACE 1503 or ACE 1630)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWilliams 400 \/ 460 \/ 520 Sportjet\u003c\/strong\u003e (Rotax ACE 1503 or ACE 1630)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eCheck your OEM part number (420856533 or 55233423) before ordering. In case of doubt, contact us with your serial number.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eSymptoms of a faulty oil pressure sensor\u003c\/h2\u003e\u003cp\u003eSeveral signs may indicate a sensor needs to be replaced:\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003eOil pressure light permanently or intermittently lit\u003c\/li\u003e\n\n\u003cli\u003eEngine fault code related to oil pressure (can be checked via the BRP diagnostic tool)\u003c\/li\u003e\n\n\u003cli\u003eUnexpected engine shutdown during navigation\u003c\/li\u003e\n\n\u003cli\u003eMechanically verified correct oil pressure but persistent alert\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003cp\u003eIf mechanical pressure is confirmed normal with an external manometer, the sensor is most likely the cause of the problem.\u003c\/p\u003e\u003ch2\u003eSensor Replacement – Installation Tips\u003c\/h2\u003e\u003cp\u003eThe procedure is accessible to an experienced mechanic:\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003eTurn off the engine and allow it to cool before any intervention\u003c\/li\u003e\n\n\u003cli\u003eDisconnect the electrical connector from the sensor\u003c\/li\u003e\n\n\u003cli\u003eUnscrew the old sensor (suitable wrench, moderate torque)\u003c\/li\u003e\n\n\u003cli\u003eApply threadlocker to the new sensor's threads if not pre-coated\u003c\/li\u003e\n\n\u003cli\u003eTighten to the torque recommended by BRP (Rotax 4-TEC workshop manual)\u003c\/li\u003e\n\n\u003cli\u003eCheck for leaks after restarting\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"ROTAX tender parts","offers":[{"title":"Default Title","offer_id":61947578646858,"sku":"\u003cnone\u003e","price":19.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/5379\/9754\/files\/Sce1cc919438e424ea475632cd47e05d8W.webp?v=1780088613","url":"https:\/\/rotaxtenderparts.com\/en\/products\/engine-oil-pressure-sensor-switch-pressure-sensor-for-sea-doo-seadoo-4-tec-rxt-x-gtx-gtr-gti-rxp-rxt","provider":"ROTAX tender parts","version":"1.0","type":"link"}