The 17x30x4.4 crankshaft oil seal is a genuine replacement part for STIHL 029, 039, MS290, MS310, and MS390. It is an essential component for the proper sealing of the chainsaw crankcase.

Features:

• High-quality construction for excellent protection against oil and air leaks.
• Precisely designed for perfect fit on compatible models.
• Highly resistant to heat and friction.
• Ideal for professional maintenance and repair of chainsaws.
• Ensures proper compression and longer engine lifespan.

Genuine STIHL Replacement Part.