{"product_id":"fiveeyes-fmm-mcase-micro-cartridge-fuse-assortment-30-piece-15-40a-slow-blow-color-coded","title":"FiveEyes FMM\/MCASE Micro Cartridge Fuse Assortment 30-Piece (15–40A) Slow-Blow, Color-Coded","description":"\u003cp\u003e\u003cstrong\u003eFiveEyes Mcase FMM 30-piece micro cartridge fuse assortment supplies reliable slow-blow circuit protection for modern vehicles and electronics.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact kit contains six fuses at each common rating (15A, 20A, 25A, 30A, 40A) in the FMM\/MCASE micro cartridge format used by many newer cars, trucks and aftermarket devices. The set is designed to meet the trend toward smaller, higher-current fuse packages found on recent vehicle models, and the industry-standard color coding makes it quick to pick the right fuse in a roadside or garage repair situation.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I know these fuses fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eFMM (MCASE) micro cartridge fuses are specified for many newer Ford-family models and other makes using the mini box-shaped cartridge standard. Check your vehicle’s owner manual or the fuse box cover for a matching FMM\/MCASE designation and amp rating before replacing a fuse.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes six of each amp rating: 15A, 20A, 25A, 30A, 40A.\u003c\/li\u003e\n  \u003cli\u003eFits vehicles listing MCASE, FMM or micro cartridge fuse types.\u003c\/li\u003e\n  \u003cli\u003eColor-coded bodies speed correct selection and reduce mistakes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does “slow-blow” mean and when should I use it?\u003c\/h3\u003e\n\u003cp\u003eSlow-blow fuses tolerate brief current spikes without opening, making them suitable for circuits with motors, pumps, or devices that draw a short surge on startup. They protect against sustained overloads while avoiding nuisance failures from harmless inrush currents.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBest for circuits with short startup surges like blower motors or power windows.\u003c\/li\u003e\n  \u003cli\u003ePrevents unnecessary blowouts from harmless transient spikes.\u003c\/li\u003e\n  \u003cli\u003eProvides stable protection for sensitive accessories and aftermarket electronics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this kit save time and money compared with single fuses?\u003c\/h3\u003e\n\u003cp\u003eBuying a multi-pack ensures you have the most commonly needed ratings on hand instead of running to a store for a single replacement. The assortment is priced lower per fuse than typical retail automotive counters and reduces downtime during roadside repairs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThirty fuses cover a wide range of common circuit ratings.\u003c\/li\u003e\n  \u003cli\u003eLower cost per unit than individual retail fuses.\u003c\/li\u003e\n  \u003cli\u003eHelps avoid emergency trips to parts stores for single replacements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I store and install these micro cartridge fuses?\u003c\/h3\u003e\n\u003cp\u003eKeep the fuses in a dry, organized container to prevent corrosion and to quickly identify ratings by color. When installing, always replace a blown fuse with the same amp rating and type; if unsure, consult a vehicle wiring diagram or a qualified technician.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStore in a clean, dry toolbox or labeled compartment.\u003c\/li\u003e\n  \u003cli\u003eReplace only with identical amp and FMM\/MCASE type fuses.\u003c\/li\u003e\n  \u003cli\u003eIf replacements blow repeatedly, seek professional electrical diagnosis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The FiveEyes Mcase FMM 30-piece kit suits DIYers, professional mechanics, and fleet technicians who work on newer vehicles that use micro cartridge fuses. It’s ideal for anyone who wants a complete, color-coded selection of slow-blow FMM fuses for on-road repairs, garage maintenance, or outfitting a service kit for trucks and cars.\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: Are these fuses compatible with Ford models?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — FMM\/MCASE micro cartridge fuses commonly fit many Ford-family vehicles; verify your fuse box lists MCASE or FMM before replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use a different amp rating if the fuse keeps blowing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — always replace with the same amp rating; if fuses blow repeatedly, have the circuit inspected for faults.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"FiveEyes","offers":[{"title":"Default Title","offer_id":48084867023006,"sku":"B081PM859V","price":37.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/fiveeyes-fmm-pack-front.jpg?v=1785864490","url":"https:\/\/northtrailauto.ca\/products\/fiveeyes-fmm-mcase-micro-cartridge-fuse-assortment-30-piece-15-40a-slow-blow-color-coded","provider":"North Trail Auto","version":"1.0","type":"link"}