{"product_id":"jsp-manufacturing-jet-ski-gas-cap-filler-neck-kit-black-cap-translucent-white-neck-gasket","title":"JSP Manufacturing Jet Ski Gas Cap \u0026 Filler Neck Kit, Black Cap — Translucent White Neck \u0026 Gasket","description":"\u003cp\u003e\u003cstrong\u003eReplacement aftermarket jet ski gas cap, rubber gasket, and translucent white filler neck kit engineered to fit Kawasaki OEM numbers 59231-3734 and 51049-3714.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis JSP Manufacturing kit supplies a complete fuel inlet solution for many Kawasaki personal watercraft models, delivering an OEM-quality replacement that installs in minutes. The set includes a white (translucent) filler neck, a screw-mounted gas cap available in four colors, and a pre-installed rubber gasket. The filler neck in this kit does not include an overflow nipple; the cap comes with a top nipple and a bottom screw fitting for attaching a chain.\u003c\/p\u003e\n\n\u003ch3\u003eWill this kit fit my Kawasaki PWC?\u003c\/h3\u003e\n\u003cp\u003eThe kit is designed to replace Kawasaki part numbers 59231-3734 (and superseded 59231-3716) for the filler neck and 51049-3714 for the gas cap. It has been reported to fit many Kawasaki models across multiple years, but you should verify against the part numbers on your machine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCovers a wide range of Kawasaki models including 800 SX-R, 900 STX\/STS, 1100\/1200 variants, STX-12F, STX-15F, STX 160 series and SX-R years listed.\u003c\/li\u003e\n  \u003cli\u003eConfirm compatibility by matching your OEM part number to 59231-3734 or 51049-3714.\u003c\/li\u003e\n  \u003cli\u003eMay fit additional years or models not listed; cross-check before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat differences should I expect compared to the original part?\u003c\/h3\u003e\n\u003cp\u003eThis is an aftermarket replacement built to OEM specifications, with a couple of notable differences: the filler neck is translucent white and it omits the overflow nipple. The gas cap uses a screw-on attachment for the chain rather than a clip-style retention.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFiller neck: translucent white material, no overflow nipple included.\u003c\/li\u003e\n  \u003cli\u003eGas cap: available in black, blue, red, or green; comes with rubber gasket installed.\u003c\/li\u003e\n  \u003cli\u003eChain attachment: cap uses a bottom-mounted screw for chain anchoring instead of a clip.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what tools will I need?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic PWC maintenance. The kit replaces the factory filler neck and cap assembly and fits into the original mounting location; typical removal of the old neck and securing the new one requires common hand tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTools: basic hand wrench or socket set, screwdriver for chain screw, and pliers if needed.\u003c\/li\u003e\n  \u003cli\u003eTime: most installations take under 30 minutes when following OEM removal steps.\u003c\/li\u003e\n  \u003cli\u003eParts included: filler neck, gas cap (color of your choice), and installed rubber gasket—no extra seals required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the kit dimensions and material notes?\u003c\/h3\u003e\n\u003cp\u003eThe kit’s physical measurements are compact and match the original mounting envelope so it fits the existing fuel opening. The white filler neck is translucent to help visually confirm fuel movement, and the cap gasket arrives pre-installed for a quicker swap.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOverall height approximately 3 inches; overall width about 3.20 inches (see photos for detailed measurements).\u003c\/li\u003e\n  \u003cli\u003eNeck heights: top-to-ring ~7\/8 inch, ring-to-base ~2 inches.\u003c\/li\u003e\n  \u003cli\u003eMade in USA and supplied as a single complete kit (quantity = 1).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This JSP Manufacturing kit is aimed at Kawasaki PWC owners, repair shops, and marine technicians who need a dependable aftermarket replacement for a worn or damaged fuel filler assembly. Choose this kit if you want an OEM-quality, ready-to-install gas cap, gasket, and translucent filler neck in a color-matched cap option, and verify OEM part numbers before ordering for fitment assurance.\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 the filler neck include an overflow nipple?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This filler neck is the version without an overflow nipple; the overflow style is no longer available.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I attach my fuel cap chain to this cap?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The gas cap features a bottom screw to securely fasten your chain instead of the original clip.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JSP Manufacturing","offers":[{"title":"Default Title","offer_id":48084619460766,"sku":"B08J8F96JB","price":34.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/jsp-gas-cap-front-view.jpg?v=1785860895","url":"https:\/\/northtrailauto.ca\/products\/jsp-manufacturing-jet-ski-gas-cap-filler-neck-kit-black-cap-translucent-white-neck-gasket","provider":"North Trail Auto","version":"1.0","type":"link"}