Description
Overview:
This Chain Sprocket 3/8'' 7T is a Genuine Stihl part designed for heavy-duty chainsaw use. Built from durable, wear-resistant steel, it transfers drive from the saw to the chain for smooth, efficient cutting. It suits chains with a 3/8 inch pitch (9.53 mm) and has 7 teeth (7T), offering dependable performance under sustained load. Intended for professional and domestic users alike, it is an ideal replacement for worn sprockets on Stihl models such as the 066 and 064, helping to maintain correct chain speed and reduce vibration. Properly matched to the correct chain pitch, this sprocket supports clean cutting and longer chain life when maintained and replaced at normal service intervals.
Key Features:
- Genuine Stihl part for assured fit and performance on specified models
- 3/8 inch pitch (9.53 mm) with 7 teeth for reliable chain engagement
- Hardened steel construction for resistance to wear and deformation
- Smooth power transfer helps reduce chatter and improve cut quality
- Straightforward swap-over with standard workshop tools
- Supports consistent chain speed and reduces premature chain wear when correctly matched
- Suitable for regular maintenance cycles to minimise downtime
- Compatible with popular pro-grade Stihl saws used in forestry, landscaping, and firewood cutting
Typical Applications:
Ideal for routine chainsaw maintenance and repairs on compatible Stihl models. Commonly used in forestry work, tree surgery, milling preparation, firewood processing, and site clearance. Replace a worn sprocket to restore efficient cutting, maintain chain tracking, and protect the bar and chain from accelerated wear.
Also known as:
Drive sprocket, saw chain sprocket, 3/8 inch 7T sprocket, chainsaw drive gear, chain drive sprocket. These terms refer to the same component that transmits drive to the chain and should be matched to the correct chain pitch and tooth count.
Fits Models:
064, 066, MS640, MS650, MS651, MS660, MS661, MS661C
Alternate Part Numbers:
1122 640 2002, 11226402002
