Briggs & Stratton
This oil seal (part number 399781S) is for lawn and garden equipment engines.
Oil seal 399781S prevents oil leaks from the engine sump.
Wait until the engine is cool before installing this part. Wear work gloves to protect your hands.
Lawn & Garden/Yard/Farm
- Installations last year: 11
- Average installation time: 61 minutes
- Level of repair difficulty: