Factory rear sliders have a frame that’s about 1/2” thick and have a larger glass area & require the gasket with the wide channel. (Now sold by
Precision Rubber Products). The aftermarket and Dealer installed units have a larger frame (usually aluminum) with a Flange that is the same size as the solid glass rear window and uses the same gasket as the solid glass with a narrow channel. Here’s pics of both. *and as a side note.. I’m sure back in the day, some Dealers installed the factory style sliders when those units were available.
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