{"product_id":"503-28-90-05-piston-rings-for-husqvarna-346-345-242-oleomac-746-42mmx1-5","title":"503 28 90 05 Piston Rings for Husqvarna 346 345 242 Oleomac 746 42mmx1.5","description":"\u003cstrong\u003eThis Piston Ring Set is a replacement piston ring compatible with Husqvarna 346, 345, 242 and Oleomac 746 models, matching OEM Part# 503 28 90-05.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThese piston rings are designed for Husqvarna 346, 345, 242 and Oleomac 746 chainsaw engines. The 42mm x 1.5mm size matches OEM specifications, ensuring proper compression and engine performance. Replacing worn piston rings is essential for restoring power and extending engine life.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePrecision-ground 42mm outer diameter with 1.5mm thickness for exact fit\u003c\/li\u003e\n\u003cli\u003eManufactured to OEM specifications for reliable performance\u003c\/li\u003e\n\u003cli\u003eRestores compression, reduces exhaust smoke, and improves fuel efficiency\u003c\/li\u003e\n\u003cli\u003eDirect replacement – no modification needed\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple popular chainsaw models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHusqvarna 346\u003c\/li\u003e\n\u003cli\u003eHusqvarna 345\u003c\/li\u003e\n\u003cli\u003eHusqvarna 242\u003c\/li\u003e\n\u003cli\u003eOleomac 746\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRebuilding Husqvarna and Oleomac chainsaw engines\u003c\/li\u003e\n\u003cli\u003eReplacing rings during top-end overhaul\u003c\/li\u003e\n\u003cli\u003eRestoring performance in professional and homeowner saws\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 503 28 90-05\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 42mm x 1.5mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do these rings come in a set?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, this listing includes the necessary rings for one piston – typically one or two rings depending on engine design.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will these rings fit Husqvarna 350?\u003cstrong\u003e A:\u003c\/strong\u003e No, these are specifically for 346\/345\/242 and Oleomac 746. Always confirm piston diameter before purchasing.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53721801949457,"sku":"ZZ3C00022","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/s-l1600_0342562b-f263-467b-918c-85a7e49cabbb.jpg?v=1782823159","url":"https:\/\/www.duraforce.com\/products\/503-28-90-05-piston-rings-for-husqvarna-346-345-242-oleomac-746-42mmx1-5","provider":"DURAFORCE","version":"1.0","type":"link"}