{"product_id":"boat-registration-letter-and-number-kit-northboat-3-smooth-green-replaces-stiffie-hardline-green-series-hardline-products-whi350ec-seasierra-green-registration-kit","title":"Boat Registration Letter and Number Kit – NorthBoat – 3\" Smooth Green (Replaces STIFFIE Hardline Green Series, Hardline Products WHI350EC, SeaSierra Green Registration Kit)","description":"\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis NorthBoat green \u003cstrong\u003eBoat Registration Letter and Number Kit\u003c\/strong\u003e provides a complete solution for marine vessel registration. The kit features 3-inch smooth, block-style letters and numbers, precision-cut from high-quality vinyl. Designed to meet US Coast Guard requirements, these decals are perfect for boats, yachts, and personal watercraft (PWC).\u003c\/p\u003e\n\u003cp\u003eThis kit serves as a direct replacement for STIFFIE Hardline Green Series, Hardline Products WHI350EC, and the SeaSierra Green Registration Kit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy peel-and-stick installation suitable for DIY application.\u003c\/li\u003e\n\u003cli\u003eEngineered to endure harsh marine conditions; resistant to water, UV rays, fuel, and scratches.\u003c\/li\u003e\n\u003cli\u003eIncludes four complete sets of A-Z and 0-9, totaling 144 characters to cover any registration sequence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\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\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\u003eHardline Green Series\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHardline Products\u003c\/td\u003e\n        \u003ctd\u003eWHI350EC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSeaSierra\u003c\/td\u003e\n        \u003ctd\u003eGreen Registration Kit\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Compatible Applications\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eVessel Type\u003c\/th\u003e\n        \u003cth\u003eUsage\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\u003eBoats\u003c\/td\u003e\n        \u003ctd\u003eRegistration identification\u003c\/td\u003e\n        \u003ctd\u003eApply to both sides of vessel in contrasting color to hull\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYachts\u003c\/td\u003e\n        \u003ctd\u003eRegistration identification\u003c\/td\u003e\n        \u003ctd\u003eApply to forward half of vessel per federal regulations\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePersonal Watercraft (PWC)\u003c\/td\u003e\n        \u003ctd\u003eRegistration identification\u003c\/td\u003e\n        \u003ctd\u003eApply to both sides in contrasting color\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePontoons\u003c\/td\u003e\n        \u003ctd\u003eRegistration identification\u003c\/td\u003e\n        \u003ctd\u003eApply to forward half of vessel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJet Skis\u003c\/td\u003e\n        \u003ctd\u003eRegistration identification\u003c\/td\u003e\n        \u003ctd\u003eApply to both sides in contrasting color\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eWaverunners\u003c\/td\u003e\n        \u003ctd\u003eRegistration identification\u003c\/td\u003e\n        \u003ctd\u003eApply per state regulations\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSea-Doos\u003c\/td\u003e\n        \u003ctd\u003eRegistration identification\u003c\/td\u003e\n        \u003ctd\u003eApply per state regulations\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eBoat Registration Decals\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003ePeel and Stick\u003c\/dd\u003e\n  \u003cdt\u003eDecal Height\u003c\/dt\u003e\n\u003cdd\u003e3 inches (76.2 mm)\u003c\/dd\u003e\n  \u003cdt\u003eFont Style\u003c\/dt\u003e\n\u003cdd\u003eSmooth (Block Style)\u003c\/dd\u003e\n  \u003cdt\u003eColor\u003c\/dt\u003e\n\u003cdd\u003eGreen\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eWaterproof Vinyl with High-Tack Adhesive\u003c\/dd\u003e\n  \u003cdt\u003eUV Protection\u003c\/dt\u003e\n\u003cdd\u003eYes, UV Clear Coating\u003c\/dd\u003e\n  \u003cdt\u003eScratch Resistant\u003c\/dt\u003e\n\u003cdd\u003eYes\u003c\/dd\u003e\n  \u003cdt\u003eContents\u003c\/dt\u003e\n\u003cdd\u003e4 sets of A-Z and 0-9 (144 total characters)\u003c\/dd\u003e\n  \u003cdt\u003eCharacter Count\u003c\/dt\u003e\n\u003cdd\u003e144 total decals (4 of each letter\/number)\u003c\/dd\u003e\n  \u003cdt\u003eSpecial Features\u003c\/dt\u003e\n\u003cdd\u003eFuel resistant, Fade resistant, Waterproof, Anti-curl\u003c\/dd\u003e\n  \u003cdt\u003eCompliance\u003c\/dt\u003e\n\u003cdd\u003eMeets US Coast Guard requirements for vessel registration\u003c\/dd\u003e\n  \u003cdt\u003eUsage\u003c\/dt\u003e\n\u003cdd\u003eBoats, Yachts, Personal Watercraft (PWC)\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Set of \u003cspan style=\"color:#d0021b;\"\u003e144 Green Registration Decals\u003c\/span\u003e (A-Z, 0-9, 4 of each character)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eClean the application surface thoroughly to ensure it is free of dirt, oil, and wax.\u003c\/li\u003e\n  \u003cli\u003eWash your hands before handling the decals to prevent contaminating the adhesive.\u003c\/li\u003e\n  \u003cli\u003eCreate a straight guideline for installation using a pencil or masking tape with a straight edge.\u003c\/li\u003e\n  \u003cli\u003eIdentify the designated location for registration numbers, typically on the forward half of the vessel.\u003c\/li\u003e\n  \u003cli\u003eBegin applying decals with the middle character of your registration number, positioning it at the center of your guideline.\u003c\/li\u003e\n  \u003cli\u003eSpace characters evenly, following federal and state registration requirements for spacing.\u003c\/li\u003e\n  \u003cli\u003eApply the decals to both sides of the vessel in a color that clearly contrasts with the hull.\u003c\/li\u003e\n  \u003cli\u003eAllow 24-48 hours for the decals to fully set and bond to the surface, depending on ambient temperature.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are these decals used for and where do I apply them?\u003c\/summary\u003e\n  \u003cp\u003eThese decals are for displaying official boat registration numbers. Per USCG regulations, they should be applied to both sides of the forward half of your vessel, in a color that contrasts with the hull for clear visibility.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I ensure the decals are applied straight?\u003c\/summary\u003e\n  \u003cp\u003eUse a pencil or a strip of masking tape to create a straight horizontal guideline on the hull. Apply the middle character of your registration number first, then work outwards to ensure even spacing and alignment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eAre these decals durable enough for marine environments?\u003c\/summary\u003e\n  \u003cp\u003eYes. They are manufactured from waterproof, fuel-resistant, and UV-coated vinyl with a high-tack adhesive to withstand sun, water, and scratching, preventing fading and peeling.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow many letters and numbers are included in one kit?\u003c\/summary\u003e\n  \u003cp\u003eThe kit contains 144 characters in total, which includes four complete sets of the alphabet (A-Z) and four complete sets of numbers (0-9). This is sufficient for any standard registration number sequence.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDo these decals meet legal requirements for registration?\u003c\/summary\u003e\n  \u003cp\u003eYes, the 3-inch height and simple block-style font meet the common requirements set by the U.S. Coast Guard for recreational vessel registration identification.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the most important step for a successful installation?\u003c\/summary\u003e\n  \u003cp\u003eProper surface preparation is critical. The application area must be thoroughly cleaned to remove any dirt, oil, wax, or residue to ensure the high-tack adhesive bonds correctly and permanently.\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\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\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":50717894902075,"sku":"greenNB1","price":17.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/greenNB1.png?v=1762937659","url":"https:\/\/seasierra.com\/products\/boat-registration-letter-and-number-kit-northboat-3-smooth-green-replaces-stiffie-hardline-green-series-hardline-products-whi350ec-seasierra-green-registration-kit","provider":"SeaSierra","version":"1.0","type":"link"}