The truck carries common torsion springs, extension springs, cables, rollers, and standard opener parts that cover most of what breaks on doors from the 1960s through the 2000s - which is most of what's installed in Center Point. Where it gets slower is a door that's genuinely original to a 1940s or early-1950s build, if one's still out there, with a wind-up track or a one-piece panel on hardware nobody stocks anymore. That's rare here given the median build year sits at 1977, but when it happens, the part has to be sourced rather than pulled off the shelf, and that's the honest limitation - we'd rather tell you that upfront than promise a fix we can't deliver same-visit.