For a neighborhood built mostly in the early 2000s, the truck carries what that era of opener actually needs: universal logic boards that fit most chain and belt-drive units from that period, photo-eye sensor pairs, drive belts and chains sized for standard residential doors, wall consoles, and remotes programmed to rolling-code systems, which is what almost everything built after the mid-1990s uses.
We also carry basic battery backup units, since a fair number of 2002-era openers either shipped with one or had one added later, and a dead backup battery is a common reason a door won't budge during a power blip.
What's not always on the truck is a manufacturer-specific board for a less common opener brand tied to proprietary electronics rather than a universal replacement. That's rare on houses from this build era, but if we hit it, we'll tell you on the spot rather than swap in something that won't actually talk to your wall console.