Base Gasket

This high-quality base gasket (SKU: ST0257) is a direct replacement for the Stihl 1125 120 0606 OEM part, designed to create a tight seal between the engine crankcase and cylinder on compatible Stihl trimmers and brushcutters. Manufactured from durable, heat-resistant material, this gasket ensures reliable compression and prevents air leaks for consistent engine performance. It is an essential component for maintaining the efficiency and longevity of your outdoor power equipment, making it a smart choice for both professional and home users.

• Precision-engineered to match OEM specifications for a perfect fit and reliable seal
• Constructed from robust, heat-resistant material to withstand high operating temperatures
• Easy to install, helping to restore engine compression and reduce fuel waste

• Stihl FS400
• Stihl FS450
• Stihl FS480

Engine Gaskets & Seals – replacement gaskets for professional-grade trimmers and brushcutters.