Chain Bar Tensioner Adjuster Kit for ECHO CS400 CS-450
Chain Bar Tensioner Adjuster Kit for ECHO CS400 CS-450
Chain Bar Tensioner Adjuster Kit for ECHO CS400 / CS-400 / CS-450 Chainsaw
Keep your ECHO chainsaw running at peak performance with this precision-engineered Chain Bar Tensioner Adjuster Kit. Designed as a direct replacement for multiple OEM part numbers, this 6-piece alloy steel kit delivers reliable tensioning, proper chain alignment, and long-lasting durability — everything you need to get your saw back in action fast.
Made in Mainland China.
Key Features
- Direct-Fit Compatibility: Specifically engineered for ECHO CS400, CS-400, and CS-450 chainsaw models — no modifications needed.
- Replaces Multiple OEM Part Numbers: Covers V651000001, V651000011, V203000110, C309000030, V355000800 (tensioner) and C305000011 (sprocket guard), simplifying your parts sourcing.
- Complete Kit: Includes 1 × Adjusting Screw and 1 × CS370 Oil Pump Cover — all components required for a full, effective installation.
- Alloy Steel Construction: Built from durable metal alloy to withstand the demanding rigors of regular chainsaw operation, maintaining consistent performance over time.
- Precision Engineered: Manufactured to tight tolerances that closely match original factory specifications, ensuring smooth installation and reliable chain tension adjustment.
Specifications
| Product Name | Chain Bar Tensioner Adjuster Kit |
| Compatible Models | ECHO CS400, CS-400, CS-450 |
| Replaces Part Numbers | V651000001, V651000011, V203000110, C309000030, V355000800, C305000011 |
| Material | Alloy Steel / Metal |
| Number of Pieces | 6 pcs |
| Assembly Required | No |
| Origin | Made in Mainland China |
Package Contents
- 1 × Adjusting Screw
- 1 × CS370 Oil Pump Cover
Important Notes
- Actual color may vary slightly from product images due to monitor settings and lighting conditions.
- Please allow for minor measurement tolerances in listed dimensions.
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Frequently Asked Questions
Q: Which ECHO chainsaw models is this tensioner adjuster kit compatible with?
A: This chain bar tensioner adjuster kit is specifically designed to fit the ECHO CS400, CS-400, and CS-450 chainsaw models. It replaces OEM part numbers V651000001, V651000011, V203000110, C309000030, V355000800, and C305000011. Always verify your model number before ordering.
Q: What is included in the chain bar tensioner adjuster kit?
A: The kit includes 1 × Adjusting Screw and 1 × CS370 Oil Pump Cover, totalling 6 individual pieces. Everything needed for a complete installation is included — no additional parts required.
Q: Is this an OEM part or an aftermarket replacement?
A: This is a precision-engineered aftermarket replacement kit manufactured by NEWONE. It is designed to meet or exceed the specifications of the original factory components, ensuring a proper fit and reliable performance for your ECHO CS400 or CS-450 chainsaw.
Q: Does this tensioner kit require any special tools to install?
A: No special tools beyond standard chainsaw maintenance equipment are required. The kit is designed for a straightforward drop-in installation, and assembly is not required prior to fitting. Always consult your chainsaw's service manual for step-by-step guidance.