Answer Roger, If you did it properly, no new parts are needed, You will want to wash the tailpipe seal in warm/hot water, to clean it uop and get a tight seal. You, also want to use new "plumbers putty" when you install the sink flange to the new sink, Just be careful and don't damage or loose any parts and you'll do fine. Good Luck and Thanks Read More... Answered by AppliancePartsPros.com | Monday, April 2, 2012