FITMENT: 3rd and 4th Gen Toyota 4Runner 1996-2009 & Sequoia 2001-2007 The Injection Fob is a two piece plastic case that replaces the factory case that comes with the vehicle. For (some) 3rd and 4th Gen 4Runners and 1st gen Sequoia. Injection molded of high strength and impact resistant ABS plastic. Existing electronics, battery, buttons, and seal are reused (not included with purchase) and packaged into the new case. Instead of an annular snap fit, this design bolts together with socket head cap screws for a more rugged and straightforward approach. Robust key ring hole eliminates the common breakage of the factory fob. Includes panic button. Assembly requires 7/64" allen key (included). Made in USA. Note: Some users may have difficulty inserting the battery and assembling the case. The instruction video shows proper technique, a small screwdriver can help position the battery as well. DO NOT USE THREADLOCKER SUCH AS LOCTITE ON THIS PRODUCT! Looking for the perfect Toyota 4Runner / Sequoia accessory to elevate your style and protect your key fob? Look no further than the AJT DESIGN Injection Fob. Now available in several factory colors to match your ride. Not only is this fob case designed for ultimate protection, it also features a stylish original design that perfectly complements the rugged look of your Toyota. It's a great way to show off your love for your ride and add some personality. So why wait? Upgrade your Vehicle with the AJT DESIGN Injection Fob today and upgrade your status with the ultimate MADE IN THE USA key fob.