For a call originating from original 2002-era hardware, the truck carries standard torsion springs sized for residential double and single doors, replacement cables, and rollers to swap out worn steel-track rollers. Standard safety cables and end bearing plates come along too, since those wear at the same rate as the spring on original installs.
What's not standard stock is a specific logic board or drive gear for a twenty-plus-year-old opener model. Those parts can be discontinued by the manufacturer, and we're not going to pretend otherwise. If your original opener needs that exact part, we'll tell you straight that it may mean a return trip or a recommendation to replace the unit rather than chase an obsolete part. That's the honest limit of what a same-day truck stock can cover on a house this age.