Products Description
MS390 Chainsaw Clutch Drum Set
Complete Clutch & Drive Kit for STIHL 039, MS290, MS310 & MS390
This clutch drum set is a comprehensive replacement solution for the clutch and chain drive system on STIHL MS390, MS310, MS290, 039, and 029 chainsaws . The kit includes all essential components required to restore proper chain engagement and drive system function when the original parts become worn or damaged. Featuring a complete clutch assembly, clutch drum, needle bearing, worm gear, retaining clip, washer, and spark plug, this all-in-one kit eliminates the need to source components individually. The 3/8" pitch configuration with 7-tooth sprocket is standard for this saw family, ensuring compatibility with existing chains and guide bars.
Technical Profiles & Materials
Complete All-in-One Kit – Includes clutch assembly, clutch drum, rim/spur sprocket, needle bearing, worm gear, retaining clip, washer, and spark plug in one convenient package . All components needed for a full clutch and drive system restoration are supplied.
Comprehensive Model Compatibility – Specifically designed for STIHL MS390, MS310, MS290, 029, and 039 chainsaws . Also compatible with 034 and 036 models . Available in both 3/8" pitch and .325" pitch configurations .
OEM-Spec Replacement – Replaces STIHL part numbers 1125 640 2000, 1125 640 2004, 1125 640 2006, 1125 007 1040, 1125 007 1041, and 1125 007 1003 . The clutch assembly references OEM number 1125 160 2052 .
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | Compatible Models | STIHL 029, 039, MS290, MS310, MS390 |
| 2 | Also Fits | 034, 036 |
| 3 | Pitch Options | 3/8″ or .325″ |
| 4 | Sprocket Teeth | 7 (standard) |
| 5 | Sprocket Type | Spur or Rim (varies by kit) |
| 6 | Clutch OEM Ref | 1125 160 2052 |
| 7 | Drum OEM Refs | 1125 640 2000, 1125 640 2004, 1125 640 2006 |
| 8 | Kit OEM Refs | 1125 007 1040, 1125 007 1041, 1125 007 1003 |
| 9 | Kit Contents | Clutch, drum, sprocket, bearing, worm gear, clip, washer, spark plug |
| 10 | Material | Metal / Steel |
| 11 | Weight (Typical) | 200g – 349g |
Quality and Craftsmanship Details
Products Package
About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
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FAQ
Q: How do I confirm which pitch kit fits my MS390?
A:Check your existing chain specification. The 3/8" pitch is standard for MS390/MS310/MS290 class saws . Some .325" pitch options are also available . Verify your chain and bar specifications before ordering-3/8" and .325" systems are not interchangeable.
Q: What's included in a complete clutch drum kit?
A: Typical kits include: clutch assembly, clutch drum, sprocket (spur or rim type), needle bearing, worm gear, retaining clip, washer, and spark plug . Some variants may omit the clutch assembly, so check contents before ordering.
Q: What are the OEM part numbers this kit replaces?
A: This kit replaces: 1125 640 2000, 1125 640 2004, 1125 640 2006 (drum options), 1125 160 2052 (clutch assembly), 1125 007 1040, 1125 007 1041, and 1125 007 1003 .
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