Garage Remote Finder

Find a replacement remote for Linear 621

Confirm the factory setup to see the verified direct replacement for this opener.

What you’ll get

Direct replacement

Exact matches appear after confirmation.

Does this match your opener?

A factory Linear 621 usually has the setup below.

Typical factory setup

  • Original built-in receiver

Why it fits

The original Linear 621 system uses MegaCode at 318 MHz. We confirm the installed receiver before showing products.

Factory system
MegaCode · 318 MHz
Confidence
High after confirmation
Checked
July 25, 2026

Before you buy

  • An added receiver can change compatibility.
  • Current transmitter availability should be checked before purchase.

Sources