MechanMagic Toyota Key Fob Replacement — Fits Sequoia 2003–2007 & 4Runner 2003–2009, Uncut TOY44D Transponder

MechanMagic replacement key fob with uncut TOY44D transponder and HYQ12BBX/HYQ12BAN FCC remote fits select Toyota Sequoia 2003–2007 and 4Runner 2003–2009 models and arrives ready for cutting and programming.

This compact remote is an aftermarket replacement built to match the form and function of the original Toyota key with a 4D transponder (TOY44D) and compatible FCC IDs HYQ12BBX, HYQ12BAN, and HYQ1512Y. It ships as a new, uncut key and a pre-tested transmitter that needs the blank blade cut and the chip/remote programmed before use. It’s intended for standard keyed Toyota vehicles, not passive/ proximity smart-entry systems.

Will this key fob fit my Toyota Sequoia or 4Runner?

If your vehicle’s original remote matches one of the listed FCC IDs and uses a TOY44D transponder, this replacement is designed to be compatible. Confirm the part numbers and the physical appearance against your original key before purchasing. If you are unsure, compare photos or consult a dealer or locksmith to verify fit.

• Compatible models: Toyota Sequoia 2003–2007
• Compatible models: Toyota 4Runner 2003–2009
• Transponder type: TOY44D (4D chip)
• FCC IDs: HYQ12BBX, HYQ12BAN, HYQ1512Y

How do I get the key cut and the remote programmed?

The product ships as an uncut blank with an installed transponder; you must have the blade cut and the chip/remote programmed before it will operate your vehicle. Self-programming is possible only if you already have one working original key for on-board programming procedures. Otherwise a professional locksmith or Toyota dealer will complete programming and cutting.

• Blank blade requires cutting to your vehicle’s key profile (dealership or key shop)
• Programming: DIY only if you have an original working key; otherwise locksmith/dealer required
• Remote must be synchronized with car electronic systems after cutting

What should I check before ordering this replacement?

Verify that your original remote’s FCC ID and the transponder type match the listing to avoid compatibility issues. Inspect the shape, button layout, and keyway of your current fob versus the product photos. Note this unit is not compatible with vehicles that use passive/proximity keyless entry systems.

• Compare appearance and button layout to original key fob
• Confirm vehicle is not equipped with passive/proximity entry
• Check owner manual, dealer, or locksmith if uncertain

What quality checks and limitations should I know about?

This MechanMagic key arrives brand new and is tested before shipping to ensure the transponder and transmitter are functional. It’s supplied as an uncut key and will not operate until cut and programmed. The listing does not include cutting or programming services, and it will not work with vehicles that require proximity smart keys.

• 100% new blank key with installed 4D chip
• Professionally pre-tested transmitter hardware prior to shipment
• Does not include blade cutting or programming service

Who is this for: MechanMagic’s replacement key fob is intended for Toyota owners who need a reliable, OEM-style uncut remote key for Sequoia (2003–2007) or 4Runner (2003–2009) vehicles that use a TOY44D transponder and one of the listed FCC IDs. It suits DIY-savvy drivers who can perform on-board programming with an existing working key, and vehicle owners prepared to visit a locksmith or dealer to have the blank blade cut and the remote paired to their car.