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Hey, if you're maintaining a Stihl 039, MS390, or MS 390 chainsaw, you might need a new chain sprocket at some point.
This is it.

It's a brand new chainwheel, 3/8 pitch with 7 teeth, made to fit those models perfectly.

It's from Sägenspezi, so you're getting a solid replacement part to keep your saw cutting smoothly.
The manufacturer part number is 10739104811184.

Don't let a worn sprocket wear out your new chain—swap this in and keep that bar spinning like it should.

Simple, direct replacement, good to go.

4.9 out of 5