{"product_id":"butom-c1m-el37b-carburetor-for-husqvarna-445-450-chainsaws-506450401-replacement","title":"Butom C1M-EL37B Carburetor for Husqvarna 445\/450 Chainsaws – 506450401 Replacement","description":"\u003ch2\u003ePremium replacement carburetor for Husqvarna chainsaws\u003c\/h2\u003e\n\u003cp\u003eThe Butom C1M-EL37B carburetor is designed to replace specific Husqvarna components and is listed as 506450401. It fits a range of models in the 445 and 450 families, including {445, 445E, 450, 450E}, along with compatible variants. This replacement part aims to support consistent fuel delivery and smooth throttle response under typical work conditions. Note that this is a replacement part and compatibility should be confirmed with your model before installation.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility, performance, and real‑world use\u003c\/h3\u003e\n\u003cp\u003eDesigned for broad compatibility, this carburetor is intended to work with several Husqvarna chainsaw models and similar units. While performance can vary with usage, the design focuses on stable throttle response and dependable operation during routine cutting tasks.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible with Husqvarna 445, 445E, 450, 450E and related variants; listed for select Jonsered and McCulloch models as well.\u003c\/li\u003e\n  \u003cli\u003eFactory-tuned on arrival, aiming to reduce initial setup time and simplify fitting.\u003c\/li\u003e\n  \u003cli\u003eWet flow tested to emulate engine behavior and help gauge real-world performance under load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAll-in-one tune‑up kit and what's included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCarburetor x1\u003c\/li\u003e\n  \u003cli\u003eAir filter x1\u003c\/li\u003e\n  \u003cli\u003ePrimer pump x1\u003c\/li\u003e\n  \u003cli\u003eSpark plug x1\u003c\/li\u003e\n  \u003cli\u003eFuel filter x1\u003c\/li\u003e\n  \u003cli\u003eFuel lines x2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDurability, materials, and build quality\u003c\/h3\u003e\n\u003cp\u003eDurable construction uses brass components, composite rubber diaphragms, and an anodized aluminum body to resist heat, corrosion, and wear. These design details support long‑term reliability in demanding conditions and regular maintenance cycles.\u003c\/p\u003e\n\n\u003ch3\u003eKey specifications and installation notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMounting hole distance (center to center): 31 mm\u003c\/li\u003e\n  \u003cli\u003eThrottle diameter: 13.9 mm\u003c\/li\u003e\n  \u003cli\u003eChoke diameter: 19 mm\u003c\/li\u003e\n  \u003cli\u003eVenturi diameter: 11 mm\u003c\/li\u003e\n  \u003cli\u003eFuel inlet line size: 3 mm\u003c\/li\u003e\n  \u003cli\u003ePrimer bulb line size: 3 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEasy fit, practical benefits\u003c\/h3\u003e\n\u003cp\u003eArrives with factory tuning and clear installation guidance to help you get back to work quickly. The all‑in‑one kit approach can save time and money by reducing the need for separate purchases, making routine maintenance more convenient.\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: Which Husqvarna models is the Butom C1M-EL37B carburetor compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits Husqvarna 445\/445E and 450\/450E series, plus listed related variants.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What comes in the Butom 506450401 kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Carburetor, air filter, primer pump, spark plug, fuel filter, and two fuel lines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Butom","offers":[{"title":"Default Title","offer_id":45740815810746,"sku":"B078J6JR4J","price":57.13,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/butom-c1m-el37b-carburetor-husqvarna-445-450.jpg?v=1774797579","url":"https:\/\/gardencanada.ca\/products\/butom-c1m-el37b-carburetor-for-husqvarna-445-450-chainsaws-506450401-replacement","provider":"Garden Canada","version":"1.0","type":"link"}