{"product_id":"capteur-pression-420274057-sea-doo-williams-rotax-903-1503-1630","title":"Sea-Doo \u0026 Williams Pressure Sensor – Part No. 420274057","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp style=\"text-align: justify;\"\u003eThis \u003cstrong\u003epressure sensor\u003c\/strong\u003e, OEM part number \u003cstrong\u003e420274057\u003c\/strong\u003e, is a replacement part for the Sea-Doo and Williams applications listed below. It restores the pressure measurement transmitted to the engine management system when diagnostics confirm a sensor fault. According to the data sheet, the affected engines are the \u003ca href=\"\/en\/blogs\/ressources-techniques-moteurs-rotax\/moteur-rotax-903-ace\"\u003eRotax 903\u003c\/a\u003e, \u003ca href=\"\/en\/blogs\/ressources-techniques-moteurs-rotax\/moteur-rotax-1503\"\u003eRotax 1503\u003c\/a\u003e, and \u003ca href=\"\/en\/blogs\/ressources-techniques-moteurs-rotax\/moteur-rotax-1630\"\u003eRotax 1630\u003c\/a\u003e, subject to part number matching and original installation.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eOEM part number:\u003c\/strong\u003e 420274057\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e not specified\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eType:\u003c\/strong\u003e pressure sensor\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e individual\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.25 kg, recorded product value\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eRegulated substances:\u003c\/strong\u003e information not provided\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e replace after verifying the part number, connector, and installation; follow the relevant engine workshop procedure and inspect the wiring harness before replacement\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eSea-Doo personal watercraft:\u003c\/strong\u003e applications retained from the existing data sheet. Years are not specified.\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSea-Doo GTX\u003c\/strong\u003e (130 \/ 155 \/ 215 \/ 255 \/ 260 HP)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSea-Doo GTI\u003c\/strong\u003e (130 \/ 150 \/ 155 \/ 185 HP)\u003c\/li\u003e\n\n\u003cli\u003e\u003cstrong\u003eSea-Doo GTR \/ GTS\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSea-Doo RXP \/ RXT\u003c\/strong\u003e (215 \/ 255 \/ 260 HP)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eWilliams jet boats:\u003c\/strong\u003e applications carried over from the product description and tags, without the addition of years.\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/en\/blogs\/ressources-techniques-annexes-williams\/williams-280-minijet\" style=\"font:inherit;color:inherit;\"\u003eWilliams 280 Minijet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/en\/blogs\/ressources-techniques-annexes-williams\/williams-285-turbojet-rotax\" style=\"font:inherit;color:inherit;\"\u003eWilliams 285 Turbojet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/en\/blogs\/ressources-techniques-annexes-williams\/williams-325-turbojet-rotax\" style=\"font:inherit;color:inherit;\"\u003eWilliams 325 Turbojet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/en\/blogs\/ressources-techniques-annexes-williams\/williams-345-sportjet\" style=\"font:inherit;color:inherit;\"\u003eWilliams 345 Sportjet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/en\/blogs\/ressources-techniques-annexes-williams\/williams-395-sportjet\" style=\"font:inherit;color:inherit;\"\u003eWilliams 395 Sportjet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e\u003ca href=\"\/en\/blogs\/ressources-techniques-annexes-williams\/williams-435-sportjet-standard\" style=\"font:inherit;color:inherit;\"\u003eWilliams 435 Sportjet\u003c\/a\u003e\u003c\/strong\u003e (Rotax 903)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e\u003ca href=\"\/en\/blogs\/ressources-techniques-annexes-williams\/williams-435-sport-rotax-1503\" style=\"font:inherit;color:inherit;\"\u003eWilliams 435 Sportjet\u003c\/a\u003e\u003c\/strong\u003e (Rotax 1503)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e\u003ca href=\"\/en\/blogs\/ressources-techniques-annexes-williams\/williams-435-sportjet-rotax-1630\" style=\"font:inherit;color:inherit;\"\u003eWilliams 435 Sportjet\u003c\/a\u003e\u003c\/strong\u003e (Rotax 1630)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e\u003ca href=\"\/en\/blogs\/ressources-techniques-annexes-williams\/williams-400-sportjet\" style=\"font:inherit;color:inherit;\"\u003eWilliams 400 Sportjet\u003c\/a\u003e\u003c\/strong\u003e (Rotax 1503, according to the product tag)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e\u003ca href=\"\/en\/blogs\/ressources-techniques-annexes-williams\/williams-460-sportjet-rotax-1503\" style=\"font:inherit;color:inherit;\"\u003eWilliams 460 Sportjet\u003c\/a\u003e\u003c\/strong\u003e (Rotax 1503)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e\u003ca href=\"\/en\/blogs\/ressources-techniques-annexes-williams\/williams-460-sportjet-rotax-1630\" style=\"font:inherit;color:inherit;\"\u003eWilliams 460 Sportjet\u003c\/a\u003e\u003c\/strong\u003e (Rotax 1630)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e\u003ca href=\"\/en\/blogs\/ressources-techniques-annexes-williams\/williams-520-sportjet-rotax-1503\" style=\"font:inherit;color:inherit;\"\u003eWilliams 520 Sportjet\u003c\/a\u003e\u003c\/strong\u003e (Rotax 1503)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e\u003ca href=\"\/en\/blogs\/ressources-techniques-annexes-williams\/williams-520-sportjet-rotax-1630\" style=\"font:inherit;color:inherit;\"\u003eWilliams 520 Sportjet\u003c\/a\u003e\u003c\/strong\u003e (Rotax 1630)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003cp style=\"text-align: justify;\"\u003e\u003cem\u003e⚠️ Always check your serial number (VIN) and the original OEM part number before ordering to confirm exact compatibility with your model.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eWhy Replace the Pressure Sensor?\u003c\/h2\u003e\u003cp style=\"text-align: justify;\"\u003eAn incorrect pressure measurement can disrupt engine management. Before replacement, have the sensor, its connector, and the wiring harness inspected: a measurement fault does not necessarily stem from the sensor alone.\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003eFault code related to pressure measurement\u003c\/li\u003e\n\n\u003cli\u003eInconsistent pressure value identified during diagnostics\u003c\/li\u003e\n\n\u003cli\u003eDamaged sensor connector or housing\u003c\/li\u003e\n\n\u003cli\u003eIrregular engine operation or power loss requiring inspection\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003cp style=\"text-align: justify;\"\u003eDuring maintenance and before seasonal commissioning, check the condition of the connections and for any signs of oxidation. Replace the sensor when diagnostics justify it, then check the measured values and ensure there are no faults according to the manufacturer's procedure.\u003c\/p\u003e\u003ch2\u003eSee Also – Other Engine Sensors\u003c\/h2\u003e\u003cp style=\"text-align: justify;\"\u003eThese complementary sensors are for monitoring the engine and intake. Check their specific applications: they are not substitutes for the 420274057 sensor and are not necessarily suitable for all the models listed above.\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\n\u003ctd style=\"width:50%;padding:12px;text-align:center;vertical-align:top;\"\u003e\n\n\u003ca href=\"\/en\/products\/capteur-cliquetis-420664031-sea-doo-williams-rotax-903-1503-1630\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0982\/5379\/9754\/files\/S0edf48044dd44cac9ae592c8750bdf583.webp?v=1764538292\" alt=\"Knock sensor 420664031 Sea-Doo Williams\" style=\"width:100%;max-width:220px;border-radius:6px;\"\u003e\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"\/en\/products\/capteur-cliquetis-420664031-sea-doo-williams-rotax-903-1503-1630\"\u003e\u003cstrong\u003eSea-Doo \u0026amp; Williams Knock Sensor – 420664031\u003c\/strong\u003e\u003c\/a\u003e\n\n\u003c\/td\u003e\n\n\u003ctd style=\"width:50%;padding:12px;text-align:center;vertical-align:top;\"\u003e\n\n\u003ca href=\"\/en\/products\/sonde-temperature-admission-sea-doo-420222427-420222423\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0982\/5379\/9754\/files\/S25e110f10122400794a3b657c2cd071aW.webp?v=1790109308\" alt=\"Sea-Doo intake temperature sensor 420222427 420222423\" style=\"width:100%;max-width:220px;border-radius:6px;\"\u003e\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"\/en\/products\/sonde-temperature-admission-sea-doo-420222427-420222423\"\u003e\u003cstrong\u003eSea-Doo Intake Temperature Sensor – 420222427 \/ 420222423\u003c\/strong\u003e\u003c\/a\u003e\n\n\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e","brand":"ROTAX tender parts","offers":[{"title":"Default Title","offer_id":53449679503690,"sku":"14:173","price":39.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/5379\/9754\/files\/Sde88e639c4f5414790bc9a9c2769bfdam.webp?v=1764102152","url":"https:\/\/rotaxtenderparts.com\/en\/products\/capteur-pression-420274057-sea-doo-williams-rotax-903-1503-1630","provider":"ROTAX tender parts","version":"1.0","type":"link"}