Products Description
Chainsaw Chain Sprocket Cover Assembly – Protective Housing & Chain Brake System
Essential Component for Clutch Protection & Safe Operation
The chain sprocket cover assembly is a critical component on the clutch side of your chainsaw, providing essential protection for the clutch, sprocket, and chain drive system. Also known as a clutch cover or side cover, this assembly houses the chain brake mechanism and includes the chain tensioning components for proper guide bar adjustment. Available in both Genuine OEM and high-quality aftermarket options, these covers ensure reliable clutch protection and safe operation across a wide range of chainsaw models. The chain brake mechanism within the cover stops the chain instantly during kickback or when the brake is engaged, making it a critical safety component .
Technical Profiles & Materials
Integrated Chain Brake System – The cover houses the chain brake mechanism, which stops the chain instantly during kickback events. This safety feature protects the operator and ensures safe operation .
Protects Clutch & Sprocket – The cover shields the clutch and sprocket assembly from dirt, debris, and impact damage while the metal eyelets provide secure mounting over the bar bolts .
Integrated Chain Tensioning – Most covers include the chain tensioning assembly, allowing for straightforward guide bar adjustment. The most common issue with the clutch cover assembly is wear or damage to the chain tensioner .
OEM-Spec Replacement Fitment – Available as genuine OEM parts from manufacturers including Husqvarna, Stihl, Echo, Ryobi, and Greenworks, with comprehensive fitment for specific models .
Technical Specifications
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Products Application
Clutch & Sprocket Protection
The sprocket cover helps keep the clutch and sprocket clean, protecting the chain wheel from damage and ensuring the chainsaw runs smoothly . Replacing a damaged or missing cover prevents debris contamination and maintains reliable chain drive operation.
Chain Brake Safety Restoration
The chain brake and clutch cover assembly is a critical safety component used on chainsaws to stop the chain instantly during kickback or when the brake is engaged. It covers the clutch area and activates the brake mechanism, helping protect the operator and ensuring safe operation . Replacing worn or broken brake covers restores proper safety function.
Guide Bar & Chain Installation
The cover must be removed to access the guide bar and chain for replacement. After installation, the chain tensioning components allow proper adjustment . For models with side-mounted chain tensioning, the cover provides convenient access to tensioning components and reduces the risk of contact with hot engine components .
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 cover assembly fits my chainsaw?
A:Check your chainsaw model number on the housing. OEM covers are designed for specific models, and many aftermarket covers are compatible with multiple models. For example, Husqvarna part 536329402 fits models 445, 450, 455, and others . Ensure the cover design matches your saw's tensioning system.
Q: What is included in a complete sprocket cover kit?
A: Comprehensive kits typically include the sprocket cover assembly, chain tensioner, bumper spike, mounting studs, nuts, and strip components – all needed for complete replacement . Individual covers are also available separately.
Q: Why can't I get the clutch cover back on after removal?
A: Most likely the chain brake was tripped when the cover was removed. You must reset the brake to the released position in order to reinstall the clutch cover. Please refer to your operators manual or contact an authorized service center for proper procedure .
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