{"product_id":"chain-bar-tensioner-adjuster-kit-echo-cs400-cs450-chainsaw","title":"Chain Bar Tensioner Adjuster Kit for ECHO CS400 CS-450","description":"\u003ch2\u003eChain Bar Tensioner Adjuster Kit for ECHO CS400, CS-400 \u0026amp; CS-450 Chainsaws\u003c\/h2\u003e\n\u003cp\u003eKeep your ECHO chainsaw running at peak performance with this precision-engineered \u003cstrong\u003eChain Bar Tensioner Adjuster Kit\u003c\/strong\u003e. Designed as a direct replacement for multiple OEM part numbers, this all-in-one kit streamlines your maintenance routine and restores proper chain tension quickly and reliably. Made in Mainland China from durable alloy steel metal construction, this kit is built to handle the demanding conditions of regular chainsaw use.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Compatibility:\u003c\/strong\u003e Engineered specifically for ECHO CS400, CS-400, and CS-450 chainsaw models — a precise fit every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Part Replacement:\u003c\/strong\u003e Replaces OEM part numbers V651000001, V651000011, V203000110, C309000030, V355000800 (tensioner) and C305000011 (sprocket guard), eliminating the hassle of sourcing multiple components separately.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Each package includes 1 x Adjusting Screw and 1 x CS370 Oil Pump Cover — everything you need for a full installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Alloy Steel Construction:\u003c\/strong\u003e Manufactured from high-grade metal alloy to withstand the rigorous demands of chainsaw operation over extended use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Engineered:\u003c\/strong\u003e Produced to high manufacturing standards, ensuring reliable compatibility and consistent performance that closely matches original factory components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Assembly Required:\u003c\/strong\u003e Ready to install straight out of the box for a fast, frustration-free maintenance experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Chain Bar Tensioner Adjuster Kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Alloy Steel \/ Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Pieces:\u003c\/strong\u003e 6 pcs (kit components)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e ECHO CS400, CS-400, CS-450\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplaces Part Numbers:\u003c\/strong\u003e V651000001, V651000011, V203000110, C309000030, V355000800, C305000011\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Adjusting Screw\u003c\/li\u003e\n  \u003cli\u003e1 x CS370 Oil Pump Cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cp\u003eThe actual color of the item may differ slightly from product images due to monitor brightness and lighting conditions. Please allow for minor measurement tolerances in the listed dimensions.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more tools and maintenance accessories? Check out our \u003ca href=\"\/products\/garden-pruner-shears-secateurs-bonsai-fruit-trees\"\u003eGarden Pruner Shears – Secateurs for Bonsai \u0026amp; Fruit Trees\u003c\/a\u003e and our \u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e for your workshop and outdoor needs.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which ECHO chainsaw models is this Chain Bar Tensioner Adjuster Kit compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This tensioner adjuster kit is specifically designed to fit ECHO CS400, CS-400, and CS-450 chainsaw models. It replaces OEM part numbers V651000001, V651000011, V203000110, C309000030, V355000800 for the tensioner assembly, and C305000011 for the sprocket guard.\u003c\/p\u003e\n\u003ch4\u003eQ: What is included in the Chain Bar Tensioner Adjuster Kit package?\u003c\/h4\u003e\n\u003cp\u003eA: Each kit includes 1 x Adjusting Screw and 1 x CS370 Oil Pump Cover, giving you the key components needed for a complete tensioner replacement on your ECHO chainsaw. The total kit contains 6 pieces of related components.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this kit easy to install on my ECHO CS400 or CS-450 chainsaw?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — no assembly is required prior to installation. The kit is precision-engineered to match the original factory specifications of your ECHO chainsaw, making the installation process straightforward for anyone with basic chainsaw maintenance experience.\u003c\/p\u003e\n\u003ch4\u003eQ: What material is this tensioner adjuster kit made from?\u003c\/h4\u003e\n\u003cp\u003eA: The kit is constructed from durable alloy steel metal, designed to withstand the demanding operational conditions of regular chainsaw use and deliver long-lasting, reliable performance.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which ECHO chainsaw models is this Chain Bar Tensioner Adjuster Kit compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This tensioner adjuster kit is specifically designed to fit ECHO CS400, CS-400, and CS-450 chainsaw models. 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