I broke the plastic latch on my rear sliding window. I bought one of those plastic replacement kits from the auto supply store. It lasted about three weeks. So I went to Home Depot and bought a metal latch use for windows used in the home. They come in different types and sizes. I selected the small black metal latch type (see photo). As you see it fits the sliding truck window frame just fine. Even used a couple of Original drill holes for mounting. Where the part of the latch cups you have to bend it just a bit to catch the locking half. This fix works great and easy to use.

Nice simple fix... That will keep thieves from trying to pry open the rear window. (If they look!)

That is a nice fix. Not sure I'd have thought of it.I've never cut the factory seal on my rear slider... the plastic base must be cut to allow the catch to work. With the AC, I've never wanted it. With the quad cab, too far to dump empties (root beer) cans in the back. As an asside, I hauled my gooseneck horse trailer to Harristown, Pa 300 miles & back with my Chevy C30. I just dropped my empty root beer cans over my shoulder, out the slider. When I arrived, there were no cans in the bed. Not one! On the way back, I noticed the rubber bed mat was floating nearly as high as the side rails. Holy vacume, Batman!!