1/2 Case of OEM Filters $5.45 each
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
Drain Plug Washer (10 pack) 80 cents each
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
Oil
I use regular conventional Chevron. Been running fine for 200k miles, I don't plan on changing my routine.