End cap that is fitted in the joint flange This flange seal is commonly lost or damaged when doing transmission overhauls.
The GENUINE part, as sold new by the dealer.
020-409-289-B / 020409289 B / 020 409 289 B / 020409289B
020-409-289-A / 020409289 A / 020 409 289 A / 020409289A
⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov