{"product_id":"enginerun-44mm-piston-ring-kit-for-husqvarna-150bf-150bt-350bt-1-2mm-ring-wrist-pin-included","title":"ENGINERUN 44mm Piston \u0026 Ring Kit for Husqvarna 150BF\/150BT\/350BT – 1.2mm Ring, Wrist Pin Included","description":"\u003cstrong\u003eENGINERUN's 44mm piston and ring kit is a direct-replacement engine piston assembly compatible with Husqvarna 150BF, 150BT and 350BT backpack leaf blowers (OEM 502849601), sold without the cylinder.\u003c\/strong\u003e\n\n\u003cp\u003eIf your Husqvarna backpack blower is showing reduced compression, excessive smoke, or loss of power, replacing the piston and ring assembly is often the precise repair needed. This ENGINERUN kit contains a 44mm piston, a 44mm x 1.2mm piston ring, wrist pin and retaining clip—built to match the fit and function of the listed OEM part numbers so you can restore performance without replacing the entire engine.\u003c\/p\u003e\n\n\u003ch3\u003eWill this piston kit fit my Husqvarna model?\u003c\/h3\u003e\n\u003cp\u003eYes—this assembly is designed for specific Husqvarna backpack blower models that accept a 44mm bore piston. Confirm the original OEM part number or bore size before ordering to ensure compatibility and proper installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with: Husqvarna 150BF, 150BT, 150, 350BT models\u003c\/li\u003e\n  \u003cli\u003eReplaces OEM number: 502849601 (and variants like 502 84 96-01)\u003c\/li\u003e\n  \u003cli\u003eBore size provided: 44mm piston diameter\u003c\/li\u003e\n  \u003cli\u003eNote: cylinder is not included—this is a piston assembly replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the ENGINERUN 44mm piston ring kit?\u003c\/h3\u003e\n\u003cp\u003eInstallation requires disassembly of the engine to access the piston and wrist pin; basic mechanical skill and standard small-engine tools are needed. Follow a service manual for torque specs and ring orientation to avoid damage and ensure correct sealing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTools typically required: socket set, snap-ring pliers, torque wrench, feeler gauge\u003c\/li\u003e\n  \u003cli\u003eVerify ring end gap and orientation before final assembly\u003c\/li\u003e\n  \u003cli\u003eReplace or inspect cylinder, bearings, seals and gaskets while engine is open\u003c\/li\u003e\n  \u003cli\u003eUse manufacturer torque specs and clean mating surfaces thoroughly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included in the kit and what should I check before ordering?\u003c\/h3\u003e\n\u003cp\u003eThe kit includes the piston (44mm bore), a 44mm x 1.2mm piston ring, wrist pin and retaining clip as shown in product photos. Before buying, verify your engine’s bore measurement or OEM part number to ensure a correct fit and consider replacing related wear items while you have the engine apart.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: piston, piston ring (1.2mm), pin, clip\u003c\/li\u003e\n  \u003cli\u003eNot included: cylinder, gaskets, bearings—order separately if needed\u003c\/li\u003e\n  \u003cli\u003eInspect cylinder walls for scoring; replace or hone as required for proper sealing\u003c\/li\u003e\n  \u003cli\u003eConfirm bore and part number match to avoid returns\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This ENGINERUN 44mm piston kit is intended for DIY mechanics, small-engine repair shops, and property owners who maintain Husqvarna 150-series and 350BT backpack blowers. If you are restoring compression, repairing a scored piston, or replacing OEM 502849601 components, this kit supplies the core parts needed for a piston replacement job—just ensure you have the tools, service information, and any additional seals or hardware required for a complete rebuild.\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: Does this kit include the cylinder?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, the kit includes piston, 44mm x 1.2mm ring, wrist pin and clip only; the cylinder must be purchased separately if needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this an exact replacement for OEM 502849601?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it is a compatible replacement designed to match OEM 502849601 for specified Husqvarna models with a 44mm bore.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ENGINERUN","offers":[{"title":"Default Title","offer_id":56832325517652,"sku":"B088K1YX2V","price":50.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/enginerun-44mm-piston-front-view.jpg?v=1787027131","url":"https:\/\/gardenluxe.co.uk\/products\/enginerun-44mm-piston-ring-kit-for-husqvarna-150bf-150bt-350bt-1-2mm-ring-wrist-pin-included","provider":"Gardenluxe Uk","version":"1.0","type":"link"}