Products Description
MS026 Clutch Drum Set – 10 Sets, 3/8" Pitch
Complete Clutch Drum Kit for STIHL 026, MS260 & Compatible Models
This clutch drum set is a comprehensive replacement solution for the clutch and chain drive system on STIHL 024, 026, MS240, MS260, and MS260 Pro chainsaws. Featuring a 3/8" pitch with a 7-tooth rim sprocket, this assembly is designed for saws that use a 3/8" chain system. The complete kit includes the clutch drum, rim sprocket, needle bearing, retaining clip, washer, and worm gear – all components needed for a full drive system restoration. This 10-set bulk package offers a cost-effective solution for professional workshops, repair centers, and parts distributors maintaining multiple 026/MS260 series saws.
Technical Profiles & Materials
Complete 10-Set Bulk Packaging – This bulk package includes 10 complete clutch drum assemblies, providing a convenient and economical solution for high-volume users, workshops, and parts distributors servicing STIHL 026/MS260 series saws.
3/8" Pitch × 7-Tooth Configuration – Features a 3/8" pitch rim sprocket with 7 teeth, designed for saws using the 3/8" chain system. This configuration provides a good balance of cutting speed and torque for the 026/MS260 power class.
OEM-Spec Replacement – Replaces STIHL OEM part numbers 1121 640 7111 and 1121 007 1043. The assembly is designed to work with the arm-driven worm gear system on these saws, requiring the slot/notch on the clutch drum edge.
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | Kit Size | 10 complete sets |
| 2 | Pitch | 3/8" |
| 3 | Sprocket Teeth | 7 |
| 4 | OEM References | 1121 640 7111, 1121 007 1043 |
| 5 | Compatible Models | STIHL 024, 026, MS260, MS260 Pro, MS260C |
| 6 | Also Fits | MS240, MS260 C-BE, 026 PRO |
| 7 | Kit Contents (per set) | 1 x Clutch Drum, 1 x Worm Gear, 1 x Rim Sprocket (3/8" 7T), 1 x Needle Bearing, 1 x Washer, 1 x E-Clip |
| 8 | Approx. Weight (per set) | 195g |
Products Application
Clutch & Drive System Overhaul
When the chain drive becomes inconsistent or the sprocket teeth show wear, this kit provides all necessary components for complete restoration. Replacing the entire assembly ensures all wear-prone parts are renewed simultaneously, preventing premature failure of new components.
Chain Pitch Conversion
This 3/8" pitch set allows conversion from .325" to 3/8" chain system, providing different cutting characteristics and chain availability for the 026/MS260 platform. Users have noted that 3/8" rim sprockets for the 026 can be more difficult to source than .325", making this bulk set particularly valuable.
Professional Workshop Maintenance
The 10-set bulk package is ideal for repair centers and professional workshops servicing multiple 026/MS260 series saws. Having a consistent supply of complete clutch drum assemblies reduces downtime and simplifies parts inventory management.
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 this clutch drum fits my MS260/026 saw?
A:Check your saw's model number and serial number. This drum fits 024, 026 models after serial number X25809074 and all MS260 models. Verify your saw uses a 3/8" chain system. The assembly requires the slot/notch on the clutch drum edge for the arm-driven worm gear.
Q: What's included in each clutch drum set?
A: Each complete set includes: 1 x clutch drum, 1 x worm gear, 1 x 3/8" 7-tooth rim sprocket, 1 x needle bearing, 1 x washer, and 1 x E-clip.
Q: What's the difference between 3/8" and .325" pitch systems on the 026?
A: The 026 originally comes with .325" pitch, which is often more readily available and cheaper. The 3/8" pitch system offers different cutting characteristics-some users prefer it for compatibility across multiple saws. A 3/8" rim sprocket for the 026 can be harder to source, making this bulk set particularly valuable.
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