Inner Axle Seal. When you swap out a Birfield joint it's a good idea to change the inner axle seal at the same time to keep the knuckles clean of weeping oil. This is a great part to keep in your tool box for trail side repairs. OEM replacement.
Specs:

• Warranty: 12 Month Limited Warranty
• Sold As: Each
• Finish: Bare
• Color: Grey
• Location: Front
• Fits: 1979-1985 Toyota solid front axle