The lightbulbs were a problem for me as I did not know if they were 12 V or 120 V. But the interactive parts diagram on the website was very helpful and allowed me to order the correct bulbs very rapidly(120V is correct). They were very easy to change out except for the fact that I needed to have my 12-year-old son do part of it since his hands are smaller than mine.(and it is always good for sons to work with dads even on small projects like this.)
The cooking element was also amazingly easy to change out and the oven is been working very properly since then. It was very easy to repair my oven with the correct parts. And the correct parts were very easy to order with the interactive diagrams from this website.