LiftMaster 971LM replacement
Can you replace a 971LM with an L993M?
Usually, but check the label on the old remote and the system on your opener or receiver before you buy.
The short answer
L993M is the replacement to check—if these details match
1. Read the label. If it says G971LM, LiftMaster recommends L993M as the replacement. If it says something else—or the label is unclear—identify the remote first.
2. Check the opener or receiver. L993M is the replacement to check when the installed system uses a red or orange Learn button and meets LiftMaster's brand, manufacture date, and safety-sensor requirements.
If the details are unclear
- Check the exact remote label and the opener or receiver's Learn-button color/system.
- Make sure the L993M requirements for opener brand, manufacture date, and safety sensors apply to your installation.
- If you have a separate receiver, gate equipment, altered hardware, or conflicting details, identify the system before ordering.
If the old remote may simply have failed, see the manufacturer's battery guidance before replacing it.
Programming
Use the manufacturer's L993M/CH363 owner manual for the replacement. The old 971LM/973LM support video covers those older remotes, not the L993M.
You can also use the site's Security+ programming guide.
Find the Learn buttonIf the details do not match
973LM and 371LM use different replacement evidence or radio systems. If your label, receiver, or Learn button does not line up, use the identification flow or manufacturer support instead.
Identify the installed systemSources