3/8 Inch 7 Tooth Sprocket Clutch Drum Oil Pump Kit For MS290 MS310 MS390 Chainsaws With Worm Gear Spark Plug Replacement Parts Replaces OEM Numbers 1125-160-2002 1125-640-2000 1127-640-3200 Easy Install
✔️ 1 set complete with sprocket, clutch, oil pump, worm gear
This complete kit replaces worn sprocket clutch drum oil pump components on MS290, MS310, MS311, MS390, and MS391 chainsaws, delivering reliable lubrication and smooth clutch operation.
✅ 3/8 inch LP pitch 7T sprocket
✅ Clutch assembly included for quick replacement
✅ Oil pump with worm gear for reliable oil flow
✅ Needle bearing, sprocket washer, E-clip, and spark plug included
✅ Spark plug included for fast start after install
💡 What is a sprocket clutch oil pump kit used for in chainsaw maintenance? This handy upgrade improves drive train lubrication and clutch operation across MS290, MS310, MS311, MS390, MS391 models.
- Optimizes oil delivery to the bar and chain
- Keeps clutch drum and drive sprocket aligned for smooth operation
- Simplifies maintenance with OEM-replacement parts
- Works with several MS-series models for handy upgrades