Those that want to consider the environmental impact can go "green" with a miniature hand-operated version. They are inexpensive and use very little soap and water, and no electricity. If you want the absolute king of the hill when it comes to engineering and performance, treat yourself a Miele washing machine.
You probably wonder why there is a need to look for washing machine spare parts. It is easier to simply entrust concerns with repair men and centers. Not all repair personnel and shops have the parts you need though. Some may offer to shop for you. Yet some will have you look for parts yourself.