{"product_id":"2021-2023-jeep-grand-cherokee-key-fob-m3nwxf0b1-refurbished","title":"2021–2023 Jeep Grand Wagoneer \/ Grand Cherokee – 4-Button Smart Key – PN 685169738AA – FCC ID M3NWXF0B1 OEM Refurbished","description":"\n\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #333; max-width: 800px; margin: auto; padding: 10px;\"\u003e\n\n  \u003cheader style=\"background-color: #111111; padding: 30px 20px; text-align: center; border-radius: 8px; margin-bottom: 20px; border-bottom: 4px solid #333333;\"\u003e\n    \u003ch1 style=\"margin: 0; color: #ffffff; font-size: 1.6em; text-transform: uppercase; letter-spacing: 2px;\"\u003e\n      Grand Cherokee \u0026amp; Wagoneer \u003cspan style=\"background-color: #333333; padding: 2px 10px; border-radius: 4px;\"\u003e2021-2023\u003c\/span\u003e\n    \u003c\/h1\u003e\n    \u003cdiv style=\"margin-top: 15px; color: #ffffff; font-weight: bold; font-size: 1.1em; background: rgba(255, 255, 255, 0.05); display: inline-block; padding: 6px 18px; border-radius: 4px; border: 1px solid rgba(255, 255, 255, 0.2);\"\u003e\n      FCC ID: M3NWXF0B1\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-top: 10px; color: #aaaaaa; font-size: 0.9em; text-transform: uppercase; letter-spacing: 1px;\"\u003e\n      433 MHz | 4A Chip HITAG AES | CR2450 BATTERY\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-top: 12px; display: inline-block; background: #333333; color: #ffffff; font-weight: bold; padding: 6px 14px; border-radius: 4px; font-size: 0.95em; text-transform: uppercase; letter-spacing: 1px; border: 1px solid rgba(255, 255, 255, 0.2);\"\u003e\n      Aftermarket\n    \u003c\/div\u003e\n  \u003c\/header\u003e\n\n  \u003cp style=\"font-size: 1.05em; line-height: 1.7;\"\u003e\n    Aftermarket 4-button smart proximity key fob for select \u003cstrong\u003e2021–2023 Jeep Grand Cherokee, Grand Wagoneer\u003c\/strong\u003e vehicles. Compatible with \u003cstrong\u003eFCC ID M3NWXF0B1\u003c\/strong\u003e operating at \u003cstrong\u003e433 MHz\u003c\/strong\u003e. Includes \u003cstrong\u003eCR2450\u003c\/strong\u003e battery and \u003cstrong\u003eY172\u003c\/strong\u003e emergency key.\n  \u003c\/p\u003e\n\n  \u003ch3 style=\"color: #111111; border-bottom: 2px solid #111111; padding-bottom: 8px; margin-top: 25px;\"\u003eTechnical Specifications\u003c\/h3\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px; border: 1px solid #ddd;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #f5f5f5; font-weight: bold; width: 40%;\"\u003eProduct \u0026amp; Key Type\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px; font-weight: bold;\"\u003eProximity Smart Key\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #ffffff; font-weight: bold;\"\u003eCondition\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eAftermarket\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #f5f5f5; font-weight: bold;\"\u003eFCC ID\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eM3NWXF0B1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #ffffff; font-weight: bold;\"\u003eIC Number\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e7812A-WXF0B1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #f5f5f5; font-weight: bold;\"\u003ePart Number (PN)\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e68519738AA\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #ffffff; font-weight: bold;\"\u003eFrequency\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e433 MHz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #f5f5f5; font-weight: bold;\"\u003eButtons\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e4 Button (Lock, Unlock, Remote Start, Panic)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #ffffff; font-weight: bold;\"\u003eBattery Type \u0026amp; Size\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eCR2450 (Included)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #f5f5f5; font-weight: bold;\"\u003eEmergency Key\u003c\/td\u003e\n        \u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eHigh Security Laser Cut (Y172 Profile)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3 style=\"color: #111111; border-bottom: 2px solid #eeeeee; padding-bottom: 8px; margin-top: 30px;\"\u003eVehicle Compatibility\u003c\/h3\u003e\n  \u003cp style=\"font-size: 0.95em; line-height: 1.6; margin-bottom: 10px;\"\u003e\n    This premium proximity smart key serves as an ideal replacement key, spare remote control, or brand-new key fob ready for custom programming. It is engineered for exact fitment with the following vehicle models:\n  \u003c\/p\u003e\n  \u003cul style=\"padding-left: 20px; line-height: 1.8;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eJeep Grand Cherokee:\u003c\/strong\u003e 2021, 2022, 2023\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eJeep Grand Wagoneer:\u003c\/strong\u003e 2021, 2022, 2023\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp style=\"font-size: 0.9em; color: #555; font-style: italic; margin-top: 10px;\"\u003e\n    Jeep Grand Cherokee key replacement aftermarket, Jeep Grand Wagoneer remote control fob entry, duplicate M3NWXF0B1 smart keyless, 4-button Jeep transmitter entry setup, or 433 MHz transponder chip ignition blade.\n  \u003c\/p\u003e\n\n  \u003ch3 style=\"color: #111111; border-bottom: 2px solid #eeeeee; padding-bottom: 8px; margin-top: 30px;\"\u003eCommon Questions\u003c\/h3\u003e\n  \u003cdiv style=\"font-size: 0.95em; color: #444;\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color: #000000;\"\u003eHow do I know this is the right key for my Jeep?\u003c\/strong\u003e\u003cbr\u003eThe newer 2021+ Jeep models transitioned to a high-security system. Check your current remote for \u003cstrong\u003eFCC ID: M3NWXF0B1\u003c\/strong\u003e. This 4-button version is for models without the power liftgate button on the fob.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong style=\"color: #000000;\"\u003eWhy can't I program this key myself?\u003c\/strong\u003e\u003cbr\u003eThese vehicles are equipped with a \"Secure Gateway Module\" (SGW). Only a professional automotive locksmith or a Jeep dealership with authorized diagnostic software can bypass this security layer to program a new smart key.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong style=\"color: #000000;\"\u003eWhat happens if the remote battery dies?\u003c\/strong\u003e\u003cbr\u003eThe fob contains a hidden emergency blade. You can use it to manually unlock the door. Once inside, you can typically start the vehicle by pressing the push-to-start button directly with the tip of the key fob.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdetails style=\"margin-top: 30px; border: 1px solid #eee; border-radius: 8px; padding: 15px; background-color: #fcfcfc; cursor: pointer;\"\u003e\n    \u003csummary style=\"font-weight: bold; color: #111111; font-size: 1.1em; text-transform: uppercase;\"\u003eFull Compatibility \u0026amp; Product Info\u003c\/summary\u003e\n    \u003cdiv style=\"margin-top: 15px; font-size: 0.9em; color: #555; line-height: 1.7;\"\u003e\n      \u003cp\u003eLooking for a \u003cstrong\u003e2022 Jeep Grand Cherokee key replacement\u003c\/strong\u003e or a \u003cstrong\u003e2023 Jeep Wagoneer smart fob\u003c\/strong\u003e? This 4-button proximity transmitter (FCC ID: \u003cstrong\u003eM3NWXF0B1\u003c\/strong\u003e) is the exact replacement for part number \u003cstrong\u003e68519738AA\u003c\/strong\u003e. Engineered for modern high-security Jeep systems, it features \u003cstrong\u003eRemote Start\u003c\/strong\u003e and keyless ignition. Keywords: Jeep Grand Cherokee smart key, Jeep Wagoneer proximity fob, M3NWXF0B1 programming, 68519738AA key, Jeep remote start replacement, HITAG AES 4A chip, 433MHz Jeep remote, automotive locksmith key supply, Grand Cherokee L key fob, CR2450 battery replacement Jeep.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdiv style=\"background-color: #f9f9f9; border: 1px solid #dddddd; border-left: 6px solid #111111; padding: 20px; margin-top: 30px; border-radius: 4px;\"\u003e\n    \u003cp style=\"margin: 0; color: #111111; font-weight: bold; font-size: 1.1em;\"\u003e⚠️ Programming Requirement\u003c\/p\u003e\n    \u003cp style=\"margin: 10px 0 0; color: #333; line-height: 1.4;\"\u003eThis proximity smart key is strictly for \u003cstrong\u003ePush-to-Start\u003c\/strong\u003e models. Professional registration to the vehicle's security system is mandatory. The emergency blade must be cut by a professional to match your door lock.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Cal Key Supply","offers":[{"title":"Default Title","offer_id":52266624418068,"sku":"CKS-JEEP-GRANDWAGONEER-4B-M3NWXF0B2","price":89.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/1654\/9908\/files\/2021-2023-jeep-grand-wagoneer-grand-cherokee-4-button-smart-key-685169738aa-m3nwxf0b1.webp?v=1769501996","url":"https:\/\/calkeysupply.com\/products\/2021-2023-jeep-grand-cherokee-key-fob-m3nwxf0b1-refurbished","provider":"Cal Key Supply","version":"1.0","type":"link"}