If you own a Ford Explorer, Sport Trac, or Thunderbird with the 5R55W transmission, this little adapter is an absolute must-have for DIY fluid changes. Trying to add transmission fluid without this tool is nearly impossible due to the unique filler plug design. The metal construction feels solid and precise - it fits perfectly into the transmission housing without any slop or play. Installation is straightforward if you follow the instructions: get your transmission to operating temperature, remove the check plug, then use this adapter to add fluid until it drips from the hole. I used mine during a transmission service and it made what would have been a frustrating job surprisingly simple. The 1.1x3.2cm size is compact enough to store in your tool box, and the build quality suggests it will last for many uses. Compatibility is specific to 5R55W transmissions in 2002-2010 Explorers, 2007-2010 Sport Tracs, and 2003-2005 Thunderbirds - so make sure your vehicle matches before purchasing. For the price, it's cheap insurance against messy, inaccurate fluid fills that can lead to transmission issues down the road. Every Ford owner with this transmission should have one of these in their garage - it turns a professional-level job into something any competent DIYer can handle.
Free 30-day returns 
Free 30-day returns
