Stihl Crankshaft Locking Screw Plastic by GA Spares

This non-genuine Stihl crankshaft locking screw (SKU TOL5239) is a plastic piston stop tool designed to lock the crankshaft so you can remove or tighten the clutch and flywheel nuts on Stihl outdoor power equipment. It is a direct replacement for OEM part 1107 191 1201, making it a practical, cost-effective alternative for workshops and home mechanics alike. Made from durable plastic, the screw threads into the spark plug hole to safely hold the piston in place without damaging the cylinder bore. Supplied as a single unit, it is a handy addition to any small engine tool kit for routine servicing and repairs.

• Direct replacement for Stihl OEM part 1107 191 1201
• Durable plastic construction that locks the crankshaft without damaging the cylinder
• Simple thread-in design for quick clutch and flywheel servicing

• Stihl chainsaws requiring crankshaft locking for clutch or flywheel removal
• Stihl outdoor power equipment that uses OEM part 1107 191 1201
• Small engine servicing and repair applications

Crankshaft Locking Screw / Piston Stop – a workshop tool for locking the crankshaft during clutch and flywheel service on Stihl equipment.