I also use 303 on window/door seals and wiped up my engine bay plastic components with it. Excellent at cleaning up the engine bay.
I don't use a dedicated cleaner first. I use 303 as a cleaner/protectant. I can't compare it some of the other ones people listed.
I don't use a dedicated cleaner first. I use 303 as a cleaner/protectant. I can't compare it some of the other ones people listed.