{"product_id":"butom-c1m-k77-carburetor-for-echo-pb-403t-pb-413h-replaces-zama-c1m-k77","title":"Butom C1M-K77 Carburetor for Echo PB-403T \/ PB-413H – Replaces Zama C1M-K77","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eRevitalize your Echo backpack blower with the Butom C1M-K77 carburetor kit. Built to fit Echo PB-403T and closely related models, this replacement aligns with factory specifications to support reliable starting, steady idle, and responsive throttle behavior. Rather than a generic fix, this kit aims to restore the feel of a well-tuned engine, offering a practical option for maintenance and on-site service. \u003c\/p\u003e\n\u003cp\u003eDesigned with real-world use in mind, the C1M-K77 kit emphasizes straightforward compatibility and complete replacement when the OEM part is worn. The result can be a smoother pull-start, steadier performance through variable loads, and reduced downtime during yard work or professional maintenance tasks.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and fit\u003c\/h3\u003e\n\u003cp\u003eThe kit is listed to fit Echo PB-403T and related PB-series blowers, including several PB-413H variants. It also serves as a replacement for Zama C1M-K77 and several related part numbers, making it a practical retrofit for engines that previously used those components.\u003c\/p\u003e\n\u003cp\u003eUse scenarios range from seasonal maintenance to routine rebuilds after long workdays outdoors, where dependability and quick parts availability matter most for a busy schedule.\u003c\/p\u003e\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCarburetor C1M-K77 x1\u003c\/li\u003e\n  \u003cli\u003eAir filter x1\u003c\/li\u003e\n  \u003cli\u003eFuel filter x1\u003c\/li\u003e\n  \u003cli\u003eTwo feet of fuel line x2\u003c\/li\u003e\n  \u003cli\u003eSpark plug x1\u003c\/li\u003e\n  \u003cli\u003ePrimer bulbs x2\u003c\/li\u003e\n  \u003cli\u003eGasket x2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey specs and features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMounting hole distance (center to center): 31 mm\u003c\/li\u003e\n  \u003cli\u003eThrottle diameter: 16 mm\u003c\/li\u003e\n  \u003cli\u003eChoke diameter: 9.8 mm\u003c\/li\u003e\n  \u003cli\u003eVenturi diameter: 9.5 mm\u003c\/li\u003e\n  \u003cli\u003eFuel inlet line size: 4 mm\u003c\/li\u003e\n  \u003cli\u003eFuel return line size: 3 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuality, durability, and support\u003c\/h3\u003e\n\u003cp\u003eEach PB-403T carburetor in this kit is wet-flow tested to mirror how your engine performs under real conditions, helping to minimize guesswork during installation. The build combines brass components, durable diaphragms, and an anodized aluminum body to resist heat, corrosion, and wear. This blend aims to deliver consistent operation across a range of climates and workloads.\u003c\/p\u003e\n\u003cp\u003eButom emphasizes value without compromising service. The kit is backed by a professional support team and a customer-first approach: if you aren’t satisfied, a message to the seller is encouraged to receive assistance or a solution that aligns with your needs.\u003c\/p\u003e\n\u003ch2\u003eHow this can help you\u003c\/h2\u003e\n\u003cp\u003eUsing a properly matched carburetor can contribute to smoother starts, stable idle, and reliable throttle response, which in turn helps you complete yard work more efficiently. While results can vary with engine condition and usage, many users find that a quality replacement part reduces downtime and supports consistent performance during busy seasons.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Butom C1M-K77 compatible with Echo PB-403T?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it fits Echo PB-403T and related PB-series models listed, with multiple compatible part numbers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included in the kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Carburetor, air and fuel filters, two-foot fuel lines, spark plug, primer bulbs, and gaskets.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Butom","offers":[{"title":"Default Title","offer_id":45739697209530,"sku":"B076FQS2MV","price":51.02,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/butom-c1m-k77-carburetor-echo-pb-403t-front-view.jpg?v=1774747094","url":"https:\/\/gardencanada.ca\/products\/butom-c1m-k77-carburetor-for-echo-pb-403t-pb-413h-replaces-zama-c1m-k77","provider":"Garden Canada","version":"1.0","type":"link"}