{"product_id":"maytronics-9991047-assy-cartridge-door-kit-supreme-m4-m5","title":"Maytronics 9991047-ASSY Cartridge Door Kit - Supreme M4 M5","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003e This cartridge door kit installs on compatible Maytronics Supreme M4 and M5 robotic pool cleaners. It forms the access door that secures the internal cartridge filter assembly during operation. The door maintains proper sealing and debris containment while the cleaner is running. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003e A cracked or warped cartridge door can reduce suction and allow debris to bypass the filtration chamber. Poor sealing may also affect internal water flow and cleaning efficiency. Replacing the door restores proper fit and filtration integrity. Addressing door damage early prevents repeat service issues. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eManufacturer part number: 9991047-ASSY\u003c\/li\u003e \u003cli\u003eCartridge door kit\u003c\/li\u003e \u003cli\u003eCompatible with Supreme M4 and M5 models\u003c\/li\u003e \u003cli\u003eSecures internal cartridge filter assembly\u003c\/li\u003e \u003cli\u003eFactory replacement configuration\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003e Disconnect power and remove the cleaner from the pool before servicing the filter compartment. Ensure proper alignment and secure attachment before returning the cleaner to operation. Confirm by manufacturer part number before ordering. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eAbout the Maytronics Brand\u003c\/strong\u003e\u003cbr\u003e Maytronics robotic cleaners are engineered with serviceable internal filtration access points. Their modular components allow technicians to replace worn structural parts without replacing the full unit. Genuine assemblies maintain correct sealing and hydraulic balance. The brand supports long term robotic cleaner maintenance. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003e Technicians replace cartridge doors when latch points fail or when cracking is visible. It is common after repeated filter access or heavy seasonal use. Routine inspection often identifies door fatigue before suction issues develop. \u003c\/p\u003e","brand":"Maytronics US","offers":[{"title":"Default Title","offer_id":52029788881170,"sku":"9991047-ASSY","price":21.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/MAY9991047ASSY_0.jpg?v=1770930627","url":"https:\/\/www.aquaterrabackyard.com\/products\/maytronics-9991047-assy-cartridge-door-kit-supreme-m4-m5","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}