{"product_id":"capteur-cliquetis-420664031-sea-doo-williams-rotax-903-1503-1630","title":"Sea-Doo \u0026 Williams Knock Sensor – Ref. 420664031","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eKnock sensor (noise sensor \/ knock sensor), OEM part number \u003cstrong\u003e420664031\u003c\/strong\u003e, for Sea-Doo jet skis and Williams personal watercraft equipped with \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 or \u003ca href=\"\/en\/blogs\/ressources-techniques-moteurs-rotax\/moteur-rotax-1630\"\u003eRotax 1630\u003c\/a\u003e engines. Standard replacement part designed to restore the knock detection system. Check the compatibility below and compare the part number with your original part before ordering.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eSea-Doo Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSpark\u003c\/strong\u003e (2Up, 3Up, Trixx)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eGTI\u003c\/strong\u003e (Standard, SE, Rental, 90, 130, 155, 170)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eGTS\u003c\/strong\u003e (Standard, Rental)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eGTR\u003c\/strong\u003e (215, 230, X 300)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eGTX\u003c\/strong\u003e (Standard, S, SE, Limited, 155, 170, 215, 230, 255, 260, 300, 325)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eRXP \/ RXP-X\u003c\/strong\u003e (255, 260, 300, 325)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eRXT \/ RXT-X\u003c\/strong\u003e (215, 255, 260, 300, 325)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWake \/ Wake Pro\u003c\/strong\u003e (155, 215, 230)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFishPro\u003c\/strong\u003e (Scout, Sport, Trophy, 170)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eExplorer Pro\u003c\/strong\u003e (170, 230)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eWilliams Personal Watercraft Compatibility:\u003c\/strong\u003e check the technical articles for each model to identify your version.\u003c\/p\u003e\n\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\n\n\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 (from 2019)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\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 (from 2019)\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 (Std, Rotax ACE 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 (Sport, Rotax ACE 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 (Sport, Rotax ACE 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\n\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\n\u003cp style=\"text-align: justify;\"\u003e\u003cem\u003e⚠️ Always check your serial number (VIN) and original OEM part number before ordering to confirm exact compatibility with your model.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eOEM part number:\u003c\/strong\u003e 420664031\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eType:\u003c\/strong\u003e knock sensor (noise sensor \/ knock sensor)\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Sea-Doo jet skis and Williams personal watercraft according to the listed compatibilities\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eSee Also – Other Engine Sensors\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThese two sensors are related to engine performance monitoring. Check the part numbers and compatibilities specific to each product page before ordering; they are not interchangeable with the knock sensor.\u003c\/p\u003e\n\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-position-arbre-cames-sea-doo-ski-doo-williams-oem-420664045-rotax\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0982\/5379\/9754\/files\/S22c9564cb4074b3896856960cc4326e7L.webp?v=1780255881\" alt=\"Sea-Doo Williams Camshaft Position Sensor 420664045\" style=\"width:100%;max-width:220px;border-radius:6px;\"\u003e\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"\/en\/products\/capteur-position-arbre-cames-sea-doo-ski-doo-williams-oem-420664045-rotax\"\u003e\u003cstrong\u003eSea-Doo \/ Williams Camshaft Position Sensor – OEM 420664045\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\/crankshaft-position-sensor-for-can-am-brp-sea-doo-ski-doo-rxp-gtx-rxt-gti-gtr-420966575-420966570-0261210159\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0982\/5379\/9754\/files\/S7a64f93fdf774cbd8493503b410d4ebbj.webp?v=1764110017\" alt=\"Sea-Doo Williams Crankshaft Position Sensor 420966575\" style=\"width:100%;max-width:220px;border-radius:6px;\"\u003e\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"\/en\/products\/crankshaft-position-sensor-for-can-am-brp-sea-doo-ski-doo-rxp-gtx-rxt-gti-gtr-420966575-420966570-0261210159\"\u003e\u003cstrong\u003eSEADOO \u0026amp; WILLIAMS Crankshaft Position Sensor – Part No. 420966575\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":53477086921034,"sku":"\u003cnone\u003e","price":50.34,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/5379\/9754\/files\/S0edf48044dd44cac9ae592c8750bdf583.webp?v=1764538292","url":"https:\/\/rotaxtenderparts.com\/en\/products\/capteur-cliquetis-420664031-sea-doo-williams-rotax-903-1503-1630","provider":"ROTAX tender parts","version":"1.0","type":"link"}