Sprocket 1/4 pitch MS192, MS193 RE 100 Smooth Operation: The sintered bronze

Smooth Operation: The sintered bronze bushing on the stainless steel shaft minimizes friction

Mixes the liquid in the tank for SR450

the highest rating for both water penetration resistance and breathability under the standard

Engineered with the perfect blend of power

This high-quality

Sprocket 1/4 pitch MS192, MS193 RE 100 Smooth Operation: The sintered bronzeGenuine STIHL Sprocket 1 4" Pitch (OEM: 1137 640 2006) for use with STIHL MS192 and MS193 top handle chainsaws. This 1 4" pitch sprocket drives the saw chain and should be replaced when worn to prevent accelerated chain and guide bar wear. Available from Gustharts, authorised STIHL dealer.