What's the 2009 jeep grand cherokee windshield wiper size?

The 2009 Jeep Grand Cherokee uses 21 inch windshield wiper blades for both the driver's side and the passenger side, making it pretty easy to replace them. The rear wiper's a 14 inch one, and isn't going to be one You can use on the front in a pinch, no matter how desperate You are. You can typically get a complete set, with steel frames for the blade, for as little as $11 with the TRICO brand. Replacing the blades are simple: Release the clip on the arm and push the blade backwards, and when the blade is free of the hook, push it down a few inches towards the arm to disconnect it, and then install the replacement blade.