Yes, excellent tip, that if you're replacing the plug WIRES and rotor, go ahead and replace the distributor cap, also. On my own 1991 Corolla, the cap and wires are sold as a single unit. But the rotor can be replaced individually easier.
Any plugs can be used. Using Toyota brand isn't necessary. In fact, I'd suggest you use the Bosch Plus 2 (+2) plugs. They've got an extra electrode "arm" over bottom of spark plug, and it helps to ignite the gas mixture more completely to burn better. I've gotten much better gentle response from the new Bosch plugs. My old 1991 corolla with over 248K miles on it, has better acceleration over the whole range. Have gotten extra few mpg's also.
But you can use almost any plug. You can even buy some plugs for about $20 each, but are totally unnecessary.
Good luck!!
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