Patio door part, holds door to frame

A quick learner from New Jersey says:
I am not sure what this part is called that is located at the corner which holds the door to the frame. I need to replace a few of them on my sliders because they have cracked due to age . Thank you
Thumbnail of the uploaded file named white plastic part on patio door
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Dave Sr. from SWISCO responded:

Hello,

I believe this is a stationary patio door clip. Though yours seems to be an older model, our 80-051 clip may still work for you. Let us know if it does the job or if you have any more questions. Thanks for shopping with us!

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