{"product_id":"husqvarna-503289026-piston-ring-genuine-oem-replacement-engine-piston-ring","title":"Husqvarna 503289026 Piston Ring – Genuine OEM Replacement Engine Piston Ring","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 503289026\u003cbr\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Chainsaw \u0026amp; Power Cutter Engine, Piston \u0026amp; Cylinder Components\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Piston Ring – Genuine OEM Replacement Engine Piston Ring\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe \u003cstrong\u003eHusqvarna 503289026 Piston Ring\u003c\/strong\u003e is a genuine OEM replacement engine component designed for select \u003cstrong\u003eHusqvarna chainsaws and professional power cutters\u003c\/strong\u003e. Installed around the piston within the cylinder, the piston ring helps maintain engine compression and provides the necessary seal between the piston and cylinder wall.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 503289026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Husqvarna\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Piston Ring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Description:\u003c\/strong\u003e Piston Ring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Type:\u003c\/strong\u003e Internal Engine \/ Piston Component\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Helps Seal the Piston Against the Cylinder Wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Piston \/ Cylinder \/ Engine Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Chainsaw \/ Power Cutter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Brand:\u003c\/strong\u003e Husqvarna\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocumented Models:\u003c\/strong\u003e 3120 \/ 3120 XP \/ 3120K \/ 3122K \/ K1250 \/ K1260\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Thickness:\u003c\/strong\u003e 1.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Location:\u003c\/strong\u003e Piston \u0026amp; Cylinder Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssociated Components:\u003c\/strong\u003e Piston \/ Cylinder \/ Wrist Pin \/ Circlips \/ Needle Bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Type:\u003c\/strong\u003e Direct OEM Replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Status:\u003c\/strong\u003e Genuine Husqvarna OEM Part\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Piston Ring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 805544334617\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number Reference:\u003c\/strong\u003e 503289026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlternate Number Format:\u003c\/strong\u003e 503 28 90-26\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces:\u003c\/strong\u003e 501894301\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOEM parts references confirm that \u003cstrong\u003e503289026 supersedes Husqvarna 501894301\u003c\/strong\u003e, while Husqvarna's official diagrams identify it as the piston ring used with applicable piston assemblies. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Husqvarna OEM replacement piston ring\u003c\/li\u003e\n\u003cli\u003eFactory-designated \u003cstrong\u003ePiston Ring\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned for select Husqvarna chainsaws and power cutters\u003c\/li\u003e\n\u003cli\u003eInstalls around the applicable engine piston\u003c\/li\u003e\n\u003cli\u003eHelps maintain proper cylinder compression\u003c\/li\u003e\n\u003cli\u003eProvides a sealing interface between the piston and cylinder wall\u003c\/li\u003e\n\u003cli\u003eSupports efficient combustion\u003c\/li\u003e\n\u003cli\u003eHelps maintain proper engine performance\u003c\/li\u003e\n\u003cli\u003eManufactured to original equipment requirements\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1.5 mm ring thickness\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eDesigned for the applicable OEM piston and cylinder configuration\u003c\/li\u003e\n\u003cli\u003eSuitable for piston and cylinder repairs\u003c\/li\u003e\n\u003cli\u003eUseful during engine rebuilding and overhaul\u003c\/li\u003e\n\u003cli\u003eHelps restore compression when replacing a worn piston ring\u003c\/li\u003e\n\u003cli\u003eReplaces earlier Husqvarna \u003cstrong\u003e501894301\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDirect replacement for equipment requiring \u003cstrong\u003e503289026\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eGenuine OEM engine component rather than an unspecified universal piston ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eDocumented Applications\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHusqvarna 503289026 Piston Ring\u003c\/strong\u003e is documented for multiple large-displacement Husqvarna chainsaw and power-cutter applications, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 3120\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 3120 XP\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 3120 XP EPA\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 3120K\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 3120K EPA\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 3122K\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna K1250\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna K1250 Active\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna K1250 Rail\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna K1260\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna K1260 Rail\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCompatible piston and cylinder assemblies\u003c\/li\u003e\n\u003cli\u003eEngine rebuilding applications\u003c\/li\u003e\n\u003cli\u003eOEM replacement applications requiring \u003cstrong\u003e503289026\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA parts fitment reference specifically lists the \u003cstrong\u003e3120, 3120K, 3120XP, 3122K, K1250, K1250 Active, K1250 Rail, K1260, and K1260 Rail\u003c\/strong\u003e as applications for 503289026. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePiston \u0026amp; Cylinder Assembly\u003c\/h2\u003e\n\u003cp\u003eOn documented \u003cstrong\u003eHusqvarna 3120\u003c\/strong\u003e applications, the \u003cstrong\u003e503289026 Piston Ring\u003c\/strong\u003e is installed with the applicable piston assembly and associated engine components. Husqvarna's illustrated parts list includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e503289026\u003c\/strong\u003e – Piston Ring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e501894103\u003c\/strong\u003e – Piston Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e503132901\u003c\/strong\u003e – Needle Holder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e737441300\u003c\/strong\u003e – Circlip\u003c\/li\u003e\n\u003cli\u003eApplicable cylinder assembly\u003c\/li\u003e\n\u003cli\u003eCylinder and crankcase gaskets\u003c\/li\u003e\n\u003cli\u003eDecompression valve\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHusqvarna's official 3120 documentation specifies \u003cstrong\u003eone 503289026 piston ring\u003c\/strong\u003e for the applicable configuration. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOn the \u003cstrong\u003eK1260\u003c\/strong\u003e, however, Husqvarna specifies \u003cstrong\u003etwo 503289026 piston rings\u003c\/strong\u003e with piston assembly 501894103. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePiston Ring Function\u003c\/h2\u003e\n\u003cp\u003eThe piston ring forms a critical sealing interface between the moving piston and the engine's cylinder wall. During operation, it helps contain combustion pressure above the piston so that expanding gases can effectively drive the piston through its power stroke.\u003c\/p\u003e\n\u003cp\u003eA properly functioning piston ring helps support:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEngine compression\u003c\/li\u003e\n\u003cli\u003eReliable combustion\u003c\/li\u003e\n\u003cli\u003eProper engine power\u003c\/li\u003e\n\u003cli\u003eEfficient piston operation\u003c\/li\u003e\n\u003cli\u003eAppropriate sealing within the cylinder\u003c\/li\u003e\n\u003cli\u003eConsistent engine performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAs the ring and cylinder wear, the seal can deteriorate and engine compression may decrease.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon Signs of Piston Ring Wear\u003c\/h2\u003e\n\u003cp\u003eInspection or replacement of the \u003cstrong\u003e503289026 Piston Ring\u003c\/strong\u003e may be appropriate when troubleshooting conditions such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow engine compression\u003c\/li\u003e\n\u003cli\u003eDifficult starting\u003c\/li\u003e\n\u003cli\u003eReduced engine power\u003c\/li\u003e\n\u003cli\u003ePoor acceleration\u003c\/li\u003e\n\u003cli\u003eExcessive piston or cylinder wear\u003c\/li\u003e\n\u003cli\u003eScoring on the piston or cylinder\u003c\/li\u003e\n\u003cli\u003eBroken or damaged piston ring\u003c\/li\u003e\n\u003cli\u003eExcessive ring end gap\u003c\/li\u003e\n\u003cli\u003eEngine damage following overheating or lubrication problems\u003c\/li\u003e\n\u003cli\u003eDamage discovered during cylinder or piston service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese symptoms can also be caused by other engine problems, so the piston, cylinder, crankshaft, bearings, seals, fuel system, and ignition system should be inspected as appropriate.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eReplaces Previous Part Number\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHusqvarna 503289026\u003c\/strong\u003e replaces:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e501894301\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e503 28 90-26\u003c\/strong\u003e – Alternate formatting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e503289026\u003c\/strong\u003e – Current OEM number\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMultiple parts references identify the supersession sequence as \u003cstrong\u003e501894301 → 503289026\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify compatibility with your exact Husqvarna model, product number, serial number, engine configuration, piston, and cylinder before ordering.\u003c\/li\u003e\n\u003cli\u003eHusqvarna officially identifies \u003cstrong\u003e503289026\u003c\/strong\u003e as a \u003cstrong\u003ePiston Ring\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eMatch \u003cstrong\u003epart number 503289026\u003c\/strong\u003e directly with the number shown in your equipment's illustrated parts diagram or OEM documentation.\u003c\/li\u003e\n\u003cli\u003eThe alternate formatted part number is \u003cstrong\u003e503 28 90-26\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe ring is documented at \u003cstrong\u003e1.5 mm thick\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eDo not select a piston ring based solely on approximate diameter or visual appearance.\u003c\/li\u003e\n\u003cli\u003ePiston rings can differ in diameter, thickness, profile, end-gap specification, material, and intended piston groove.\u003c\/li\u003e\n\u003cli\u003eThe required quantity varies by engine configuration.\u003c\/li\u003e\n\u003cli\u003eHusqvarna's 3120 documentation shows \u003cstrong\u003eone 503289026 ring\u003c\/strong\u003e in applicable assemblies, while K1260 documentation specifies \u003cstrong\u003etwo rings\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eThis listing is for \u003cstrong\u003eone piston ring unless otherwise specified\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eDo not assume that the piston, cylinder, wrist pin, needle bearing, circlips, gaskets, crankshaft, or other engine components are included.\u003c\/li\u003e\n\u003cli\u003eInspect the piston and cylinder carefully whenever replacing a piston ring.\u003c\/li\u003e\n\u003cli\u003eA new piston ring should not be used to compensate for a severely scored, excessively worn, or otherwise damaged cylinder.\u003c\/li\u003e\n\u003cli\u003eInspect the piston ring groove for carbon buildup, wear, deformation, or physical damage.\u003c\/li\u003e\n\u003cli\u003eCheck the piston for scoring, cracking, overheating, seizure marks, or other damage.\u003c\/li\u003e\n\u003cli\u003eVerify ring end gap and other applicable engine clearances according to Husqvarna service specifications.\u003c\/li\u003e\n\u003cli\u003eDo not excessively spread or twist the piston ring during installation.\u003c\/li\u003e\n\u003cli\u003ePiston rings are relatively brittle and can break if improperly expanded.\u003c\/li\u003e\n\u003cli\u003eInstall the ring in the correct piston groove and orientation specified by the manufacturer.\u003c\/li\u003e\n\u003cli\u003eMake sure the piston ring is properly positioned before inserting the piston into the cylinder.\u003c\/li\u003e\n\u003cli\u003eUse appropriate lubrication during engine reassembly according to Husqvarna service procedures.\u003c\/li\u003e\n\u003cli\u003eClean carbon and debris from reusable components without damaging precision sealing surfaces.\u003c\/li\u003e\n\u003cli\u003eIf the original piston ring failed because of overheating, insufficient lubrication, incorrect fuel mixture, air leakage, or cylinder damage, correct the underlying problem before returning the engine to service.\u003c\/li\u003e\n\u003cli\u003eInternal engine repairs require careful assembly and correct torque procedures. Follow the applicable Husqvarna service documentation.\u003c\/li\u003e\n\u003cli\u003eShut off the equipment, allow the engine to cool completely, disconnect the spark plug, and drain fuel where necessary before beginning engine repairs.\u003c\/li\u003e\n\u003cli\u003eThis listing is for \u003cstrong\u003eone Husqvarna 503289026 Piston Ring only\u003c\/strong\u003e unless otherwise specified. Pistons, cylinders, wrist pins, circlips, bearings, gaskets, seals, and other engine components are sold separately.\u003c\/li\u003e\n\u003cli\u003eMatch \u003cstrong\u003epart number 503289026\u003c\/strong\u003e with your equipment's illustrated parts diagram or OEM documentation before ordering to ensure proper fitment.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Husqvarna","offers":[{"title":"Default Title","offer_id":53737749741931,"sku":"503289026","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/husqvarnalogo_7ff271df-c1e9-46ce-9d7a-b55454dbbc9e.jpg?v=1787070378","url":"https:\/\/generalsprayers.com\/products\/husqvarna-503289026-piston-ring-genuine-oem-replacement-engine-piston-ring","provider":"GeneralSprayers","version":"1.0","type":"link"}