Here are the diagrams and repair parts for Official GE PLU621RT1SS gas cooktop, as well as links to manuals and error code tables, if available.
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Control panel & cooktop diagram
Part #WB21X43628
Control panel & cooktop diagram
Part #WB21X43637
Control panel & cooktop diagram
Part #49-2001154
The manufacturer no longer makes this part, and there's no substitute part
Optional accessories diagram
Part #JXCVR21T1
The manufacturer no longer makes this part, and there's no substitute part
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