Gearwrench/Matco Replacement parts?

[CryerTool]

I have a near new Gearwrench 81362T 1/2" flex head ratchet with a broken flex-lock. GW sent me a new ratchet but I would love to get the broken part fixed if I can.

Anyone know if the matco equivalent part would fit? GW says they have no parts.

TIA

 

[Professional Tool User]

Upon closer examination, the Matco and GW locking systems are different.