Product Parameters
| Specification Item | Chain saw parts |
|---|---|
| Compatible Models | STIHL 021, 023, 025, MS210, MS230, MS250 (also fits 017, 018, MS170, MS180) |
| Pitch Options | 3/8" LP (Low Profile) or .325" (verify your chain type) |
| Sprocket Tooth Count | 6 Teeth (6T) or 7 Teeth (7T) (model dependent) |
| Replaces OEM Numbers | Drum/Sprocket: 1123 640 2003, 1123 640 2073, 1123 640 2074 Clutch: 1123 160 2001, 1123 160 2050 Worm Gear: 1123 640 7102 |
| Kit Includes (Typical) | Clutch Drum, Sprocket, Clutch Assembly, Needle Bearing, Worm Gear, Washer, E-Clip, Spark Plug |
| Material | Hardened Metal / Steel (wear-resistant construction) |
| Application | Power transmission from engine to cutting chain |
Product Description
Product Details
1. Complete Drop-In Replacement Kit
This all-in-one set includes every component needed for a full clutch system overhaul-clutch drum, sprocket, clutch shoes, needle bearing, worm gear, retaining hardware, and often a spark plug
. This comprehensive approach eliminates the need to source individual parts separately.
2. Multiple Configuration Options
Available in both 3/8" LP and .325" pitch versions with 6-tooth or 7-tooth sprockets
. This flexibility ensures compatibility with your specific chain type and cutting requirements, allowing you to select the optimal configuration for your saw.
3. Precision OEM-Spec Design
Manufactured to match original STIHL part numbers including 1123 640 2003 (drum), 1123 160 2001 (clutch), and 1123 640 7102 (worm gear)
. This ensures perfect fitment and reliable performance without modification. The worm gear drives the automatic oil pump to keep the chain lubricated during operation
Products Package
About Us
Production
Quality control
FAQ
Q: Do you provide sample?
A: Yes, samples fee and freight fee will be charged by your side.
Q: What's your MOQ?
A: Different products have different MOQ, depends on your quantity .
Q: How does your quality control?
A: Quality is priority. Our inspection team always pay great attention on quality control from the beginning to the end of the production. Every product will be carefully inspected before shipment.
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