Sorry no. We bring it in complete no parts are available.
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If there’s any Door Hinge Pin Stop or solution you can think of to help please let us know so we can order it. Thanks ??
There is no thicker bumper or way to modify your existing hinge pin door stop to limit or restrict the degree of opening so that your door will not end up hitting that door closer arm.
First looking at your photograph where you focus in and zoom in on the hinge pin door stop only please notes that you have it's at the maximum Dimension and it cannot be increased so as to decrease the degree of opening.
The easiest way in my opinion to solve this problem and not unnecessarily restrict the degree of opening on that door would be to reposition the door closer from the current top jamb Mount to a parallel arm mount meaning you're going to flip the door closer over so that you can install it such that it will not project off the face of the door nearly as much as it does now allowing you to permanently solve the problem.
Please follow up with this email with photographs of the door closure itself and I will wreck make a recommendation as to how to proceed - it will require an additional piece of Hardware in addition to repositioning the door closer.