My Home Window Repair project is confusing me - all these numbers and stampings?

My Home Window Repair project is confusing me - all these numbers and stampings? Truth Entrygard Window opener hardware and parts numbers are confusing to say the least - BUT WE CAN HELP! You can enter your part number to narrow your search or contact us for further assistance.

Find your Truth Entrygard , 20810, 30744, 40942, 40941, 30463, 30818, 31538, 31539, 30841, 30842, 20544, 30472, 30470, 20748, 20755, 30905.