{"product_id":"3-blue-marine-registration-kit-fits-all-boat-brands-pwc-replaces-stiffie-shift-blue-sh05-hardline-blu350ec-stiffie-hl102","title":"3\" Blue Marine Registration Kit – Fits All Boat Brands \u0026 PWC (Replaces STIFFIE Shift Blue SH05, Hardline BLU350EC, STIFFIE HL102)","description":"\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\u003csection\u003e\n    \u003ch2\u003eProduct Details\u003c\/h2\u003e\n    \u003cp\u003eThis universal \u003cstrong\u003e3\" Blue Marine Boat Registration Numbers and Letters Kit\u003c\/strong\u003e is designed for a perfect fit on all boat brands and personal watercraft (PWC). The 3-inch height of these decals meets US Coast Guard (USCG) requirements for vessel registration when installed correctly, ensuring you stay compliant on the water.\u003c\/p\u003e\n    \u003cp\u003eThis kit serves as a direct replacement for STIFFIE Shift Blue SH05, Hardline Products BLU350EC, and STIFFIE Hardline Fl. Blue\/Pink HL102.\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Simply peel and apply the self-adhesive decals to any clean, smooth surface.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eBuilt for Marine Use:\u003c\/strong\u003e Made from premium outdoor vinyl that is UV-coated for sun protection, waterproof, and resistant to fuel and scratches.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eComplete Set:\u003c\/strong\u003e Includes four full sets of letters A-Z and numbers 0-9, providing all characters needed for your vessel's registration code.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n    \u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n    \u003cdiv class=\"ss-table-wrap\"\u003e\n        \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n            \u003cthead\u003e\n                \u003ctr\u003e\n                    \u003cth\u003eBrand\u003c\/th\u003e\n                    \u003cth\u003ePart Number\u003c\/th\u003e\n                \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eSTIFFIE\u003c\/td\u003e\n                    \u003ctd\u003eSH05\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eHardline Products\u003c\/td\u003e\n                    \u003ctd\u003eBLU350EC\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eSTIFFIE\u003c\/td\u003e\n                    \u003ctd\u003eHL102\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n    \u003cp\u003eThis is a universal product compatible with all boat brands and personal watercraft requiring registration numbers, including models from Sea-Doo, Yamaha, Kawasaki, Honda, and more.\u003c\/p\u003e\n\n    \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n    \u003cdl\u003e\n        \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eMarine Registration Numbers and Letters Kit\u003c\/dd\u003e\n        \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003ePeel and Apply Adhesive Decals\u003c\/dd\u003e\n        \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003ePremium Outdoor Vinyl\u003c\/dd\u003e\n        \u003cdt\u003eColor\u003c\/dt\u003e\n\u003cdd\u003eBlue\u003c\/dd\u003e\n        \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e3 inches (76.2 mm) height\u003c\/dd\u003e\n        \u003cdt\u003eFeatures\u003c\/dt\u003e\n\u003cdd\u003eUV Coated for sun protection, waterproof adhesive, fuel and scratch resistant\u003c\/dd\u003e\n    \u003c\/dl\u003e\n\n    \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e4 x Sets of Letters A-Z\u003c\/li\u003e\n        \u003cli\u003e4 x Sets of Numbers 0-9\u003c\/li\u003e\n        \u003cli\u003eTotal: 144-146 individual decals\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n    \u003col\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePrepare Surface:\u003c\/strong\u003e Thoroughly clean the application area with soap and water or rubbing alcohol to remove any dirt, wax, or grease. Ensure the surface is completely dry before proceeding.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePlan Layout:\u003c\/strong\u003e Arrange your numbers and letters before peeling the backing to ensure correct spacing and alignment. Use a measuring tape and masking tape to create a straight guideline on the hull.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eApply Decals:\u003c\/strong\u003e Peel each decal from its backing and carefully apply it to the designated spot, starting from one edge and smoothing it out to prevent air bubbles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSecure Adhesion:\u003c\/strong\u003e Once all decals are in place, use a squeegee or credit card to press firmly over the entire surface of each one, ensuring a strong bond with the hull.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCure Time:\u003c\/strong\u003e Allow the decals at least 24 hours to fully cure and bond to the surface before exposing the vessel to water.\u003c\/li\u003e\n    \u003c\/ol\u003e\n\n    \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eHow do I ensure these numbers meet USCG requirements?\u003c\/summary\u003e\n        \u003cp\u003eThe decals themselves are 3 inches in height, which meets the minimum size requirement. To be fully compliant, you must also ensure they are: placed on the forward half of your vessel on both sides, are in a color that contrasts with your hull, and are plain block letters, not script or slanted.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWhat is the best way to align the numbers and letters?\u003c\/summary\u003e\n        \u003cp\u003eUse a strip of painter's or masking tape to create a straight bottom edge on your hull. Align the bottom of each decal with the tape as you apply them. You can also use a small level to ensure your guideline is perfectly horizontal.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eCan I apply these to an inflatable boat (PWC)?\u003c\/summary\u003e\n        \u003cp\u003eThese decals are designed for rigid, smooth surfaces like fiberglass or painted aluminum. They may not adhere properly to the flexible, textured surface of an inflatable boat. For inflatables, it is recommended to use a registration plate kit instead.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eHow do I remove old registration numbers?\u003c\/summary\u003e\n        \u003cp\u003eGently warm the old decals with a hairdryer or heat gun on a low setting to soften the adhesive. Use a plastic scraper or your fingernail to peel them off. Any remaining adhesive residue can be removed with a dedicated adhesive remover or rubbing alcohol.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWill the color fade in the sun?\u003c\/summary\u003e\n        \u003cp\u003eThese decals are coated with a UV protectant layer to resist fading from sun exposure, ensuring the color remains vibrant for years of service.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n        \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\n        \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\n        \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n        \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n        \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717893099835,"sku":"Blue001-QM","price":14.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Blue001-QM.png?v=1762937587","url":"https:\/\/seasierra.com\/products\/3-blue-marine-registration-kit-fits-all-boat-brands-pwc-replaces-stiffie-shift-blue-sh05-hardline-blu350ec-stiffie-hl102","provider":"SeaSierra","version":"1.0","type":"link"}