Lock Cylinder for Sliding Door

Question

I want to replace the lock cylinder on a sliding glass door due to not have any keys. I am not able to determine who the manufacturer is or model, other than Series 311/312. Can you help me determine the make/model and what lock cylinder will work?
Some photos are uploaded to include the only labels I could locate.

Bob · Accepted Answer

Thanks for posting. I can't tell you what make this door is; however, as is often the case with sliding glass door parts, this is a generic handle set used by a number of different brands. See our 82-086. This handle set will work with an 82-310 Key Cylinder. The guide below goes into some detail about how to replace the cylinder. Let me know if you have any questions.

Guide: Legacy Patio Door Handles, Locks & Spindles