{"product_id":"6h3-44391-nipple-nylon-for-yamaha-parsun-jlm-marine","title":"6H3-44391 Nipple Nylon for Yamaha Parsun | JLM Marine","description":"\u003ch2\u003e6H3-44391 Nipple Nylon for Yamaha Parsun Outboard Motors\u003c\/h2\u003e\n\n\u003cp\u003eThis nylon hose nipple is designed to fit a wide range of Yamaha and Parsun outboard motors, from compact 9.9 HP models up to 115 HP engines across 2-stroke and 4-stroke platforms. Engineered for reliable coolant and fuel line connections, this aftermarket replacement ensures a secure, leak-free seal in marine environments.\u003c\/p\u003e\n\n\u003cp\u003eDirect replacement for Yamaha OEM part numbers \u003cstrong\u003e6H3-44391\u003c\/strong\u003e, \u003cstrong\u003e6H3-44391-00\u003c\/strong\u003e, \u003cstrong\u003e6H3-44391-01\u003c\/strong\u003e, \u003cstrong\u003e6BL-44391-00\u003c\/strong\u003e, and Parsun \u003cstrong\u003eF15-05000009\u003c\/strong\u003e. Compatible with dozens of engine series spanning multiple decades of production.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMaterial: High-grade nylon for corrosion resistance and durability\u003c\/li\u003e\n\u003cli\u003eFits both 2-stroke and 4-stroke Yamaha outboards (9.9–115 HP)\u003c\/li\u003e\n\u003cli\u003eAlso compatible with Parsun F-series engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6H3-44391\u003c\/td\u003e\n\u003ctd\u003ePrimary OEM number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6H3-44391-00\u003c\/td\u003e\n\u003ctd\u003eSuperseded variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6H3-44391-01\u003c\/td\u003e\n\u003ctd\u003eSuperseded variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6BL-44391-00\u003c\/td\u003e\n\u003ctd\u003eAlternate reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParsun\u003c\/td\u003e\n\u003ctd\u003eF15-05000009\u003c\/td\u003e\n\u003ctd\u003eParsun F-series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below. For Yamaha owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/yamaha-outboard-serial-number-guide-2025\" target=\"_blank\" rel=\"nofollow noopener\"\u003eYamaha Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/yamaha-outboard-parts-diagrams-catalog\" target=\"_blank\" rel=\"nofollow noopener\"\u003eYamaha Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e9.9F, 9.9G, 15F, 20D, 25N, 30D, 75A, 75C, 85A, 90A\u003c\/td\u003e\n\u003ctd\u003e2-Stroke models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eE9.9D, E15D\u003c\/td\u003e\n\u003ctd\u003eElectric start 2-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF8C, F8F, FT8D, F9.9J, F9.9F, F9.9H, FT9.9L, F15C, F20B, F20D, F20F, F20G, F25D, F25G, FT25F, F30B, F40D, F40F, F40H, F50D, F50F, F50H, FT50J, F60C, F60F, FT60G, F70A, F75B, F80C, F90B, F100B, F100D, F115A\u003c\/td\u003e\n\u003ctd\u003e4-Stroke models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParsun\u003c\/td\u003e\n\u003ctd\u003eF15-05000009\u003c\/td\u003e\n\u003ctd\u003eParsun F-series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Number\u003c\/td\u003e\n\u003ctd\u003e6H3-44391\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eNylon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eHose Nipple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eYamaha 2-Stroke \u0026amp; 4-Stroke \/ Parsun F-series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color:red;\"\u003e1 × Nylon Hose Nipple (6H3-44391)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color:red;\"\u003ePackage includes all parts shown in the product images.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003eShut off the engine and allow it to cool completely. Relieve any residual pressure in the fuel or cooling system.\u003c\/li\u003e\n\u003cli\u003eLocate the old nipple on the hose connection point; note its orientation and any clamp positions. Take a photo if needed for reference.\u003c\/li\u003e\n\u003cli\u003eLoosen the hose clamp(s) securing the hose to the old nipple using a screwdriver or pliers.\u003c\/li\u003e\n\u003cli\u003eGently twist and pull the hose off the old nipple; if it resists, apply mild heat or a penetrating lubricant to ease removal.\u003c\/li\u003e\n\u003cli\u003eInspect the hose end for cracks, hardening, or damage; replace the hose if necessary.\u003c\/li\u003e\n\u003cli\u003eClean the hose bore and the mating surface on the engine block or pump housing to remove debris and old sealant.\u003c\/li\u003e\n\u003cli\u003eSlide the new nylon nipple into the hose end, ensuring it seats fully and aligns with the original orientation.\u003c\/li\u003e\n\u003cli\u003eReposition the hose clamp over the hose-nipple joint and tighten it securely, but do not overtighten and risk cracking the nylon.\u003c\/li\u003e\n\u003cli\u003eReconnect any additional fuel or coolant lines that were removed during access.\u003c\/li\u003e\n\u003cli\u003eStart the engine and let it idle for a few minutes, monitoring the connection for leaks or seepage.\u003c\/li\u003e\n\u003cli\u003eCheck the clamp torque again after the first run and retighten if needed.\u003c\/li\u003e\n\u003cli\u003eDispose of the old part responsibly and record the replacement date in your maintenance log.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this nipple fits my specific Yamaha or Parsun engine?\u003c\/strong\u003e\u003cbr\u003e\nCross-reference your engine model and serial number with the compatibility table above, or consult your factory service manual's parts diagram. If your engine model appears in the list and the part number matches, fitment is confirmed.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat are the signs that my hose nipple needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nLook for visible cracks, warping, or brittleness in the nylon body, coolant or fuel weeping around the connection, or difficulty achieving a seal even with new clamps. Any of these symptoms indicate it's time to replace the nipple.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I reuse the original hose clamps, or should I install new ones?\u003c\/strong\u003e\u003cbr\u003e\nInspect the clamps for corrosion, bent threads, or worn screw heads. If they show significant wear or have been over-torqued previously, replace them with new stainless-steel clamps to ensure a reliable seal.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow often should I replace this nylon nipple?\u003c\/strong\u003e\u003cbr\u003e\nNylon hose fittings typically last several years under normal conditions, but inspect them annually during routine maintenance. Replace immediately if you observe cracks, discoloration, or leaks, as degraded nylon can fail suddenly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs there a difference between this aftermarket nipple and the Yamaha OEM part?\u003c\/strong\u003e\u003cbr\u003e\nThis listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nWe offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nThis product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n\u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51983453389113,"sku":"3419","price":13.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/A3c937e23f5224b61bac9efcf60375128b.webp?v=1772505509","url":"https:\/\/jlmmarine.com\/ru\/products\/6h3-44391-nipple-nylon-for-yamaha-parsun-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}