Parts for Mcculloch CS340: Clutch & Oil Pump Parts

Chain won't spin or engages poorly? This chainsaw clutch assembly uses centrifugal force to engage the chain. Durable metal construction, sold as complete unit.

Fix clutch slipping or poor engagement with this friction washer. Creates proper clutch fit for consistent power transfer in chainsaws and trimmers.

Chain won't rotate or stops spinning? The clutch drum assembly engages the sprocket that drives your chainsaw chain. Durable metal construction.

This is a dust cover that fits over the chainsaw's internal components to protect them from sawdust and debris. It helps keep the engine and clutch area clean during operation, extending the life of moving parts. Replace this cover if it is cracked, broken, or missing, which can allow debris to clog or damage internal mechanisms.

Seal for chainsaws prevents oil and fuel leaks, maintaining proper engine operation. Replace when you notice leaking or loss of pressure. Confirm fit with your model number before ordering.

Chainsaw not oiling chain or bar? This worm gear spring engages the oil pump gear on the crankshaft. Simple fix when oil isn't transferring properly.

This replacement part is a screw and is intended for use in a variety of lawn equipment. This is a genuine replacement part made by Husqvarna. Screws are an important part of many different types of machinery as they hold other parts in place and secure. A new screw might be needed if the current ones are loose or missing. It is common that screws might become stripped overtime and will need to be replaced. Be sure to double check the size of the screw as many places on lawn equipment will require different size screws. Be sure the appliance is completely powered down and cooled off before attempting to repair an appliance. For more detailed instructions on how to install this specific part, see the owner's manual. This is an OEM part sourced directly from the manufacturer. It is sold individually. This replacement part is compatible with different types of lawn equipment made by Husqvarna.