{"product_id":"husqvarna-545160401-piston-ring-replacement-lawn-garden-equipment-engine-piston-ring-component","title":"Husqvarna 545160401 Piston Ring – Replacement Lawn \u0026 Garden Equipment Engine Piston Ring Component","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 545160401\u003cbr\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Lawn \u0026amp; Garden Equipment Replacement Parts\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Piston Ring – Replacement Lawn \u0026amp; Garden Equipment Engine Piston Ring Component\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe \u003cstrong\u003eHusqvarna 545160401 Piston Ring\u003c\/strong\u003e is a replacement internal engine component designed for compatible \u003cstrong\u003eHusqvarna lawn and garden equipment\u003c\/strong\u003e. Installed within the applicable piston and cylinder assembly, the piston ring helps \u003cstrong\u003emaintain sealing between the piston and cylinder wall, supporting engine compression and proper combustion-system operation\u003c\/strong\u003e. Ideal for replacing a worn, scored, cracked, broken, damaged, or otherwise unserviceable piston ring, the 545160401 helps restore the sealing performance required for reliable engine operation.\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 545160401\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\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\u003eComponent Type:\u003c\/strong\u003e Replacement Engine Piston Ring Component\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Lawn \u0026amp; Garden Equipment Engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Engine Piston, Cylinder \u0026amp; Combustion System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Piston-to-Cylinder Sealing, Compression Support \u0026amp; Combustion Control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement \u003cstrong\u003episton ring\u003c\/strong\u003e for compatible Husqvarna equipment engines\u003c\/li\u003e\n\u003cli\u003eDesigned for installation within the applicable piston and cylinder assembly\u003c\/li\u003e\n\u003cli\u003eHelps maintain sealing between the piston and cylinder wall\u003c\/li\u003e\n\u003cli\u003eSupports proper engine compression during operation\u003c\/li\u003e\n\u003cli\u003eHelps maintain efficient combustion within the applicable engine configuration\u003c\/li\u003e\n\u003cli\u003eSupports proper piston and cylinder system performance\u003c\/li\u003e\n\u003cli\u003eUseful during engine repair or rebuilding when the original ring is worn or damaged\u003c\/li\u003e\n\u003cli\u003eSuitable for replacing a \u003cstrong\u003eworn, scored, cracked, broken, damaged, or otherwise unserviceable\u003c\/strong\u003e piston ring\u003c\/li\u003e\n\u003cli\u003eHelps address loss of sealing performance when piston-ring wear is confirmed as the cause\u003c\/li\u003e\n\u003cli\u003eDirect replacement option when \u003cstrong\u003eHusqvarna part number 545160401\u003c\/strong\u003e is specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHusqvarna lawn and garden equipment\u003c\/li\u003e\n\u003cli\u003eCompatible Husqvarna outdoor power equipment\u003c\/li\u003e\n\u003cli\u003eSmall-engine piston assemblies\u003c\/li\u003e\n\u003cli\u003eEngine cylinder assemblies\u003c\/li\u003e\n\u003cli\u003eInternal combustion engine repair\u003c\/li\u003e\n\u003cli\u003ePiston and cylinder service applications\u003c\/li\u003e\n\u003cli\u003eEngine compression-system repairs\u003c\/li\u003e\n\u003cli\u003eEngine rebuilding and maintenance\u003c\/li\u003e\n\u003cli\u003eReplacement of worn or damaged piston rings\u003c\/li\u003e\n\u003cli\u003eApplications specifying \u003cstrong\u003eHusqvarna 545160401\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify \u003cstrong\u003epart number 545160401\u003c\/strong\u003e before ordering\u003c\/li\u003e\n\u003cli\u003eConfirm compatibility with your specific Husqvarna equipment model, engine, piston, and cylinder configuration\u003c\/li\u003e\n\u003cli\u003eThis component is identified as a \u003cstrong\u003episton ring\u003c\/strong\u003e; verify the exact ring required for your engine before ordering\u003c\/li\u003e\n\u003cli\u003eThe exact \u003cstrong\u003ering diameter, thickness, width, end-gap specification, material, coating, profile, orientation, and compatible piston or cylinder dimensions\u003c\/strong\u003e are not identified in the supplied product information\u003c\/li\u003e\n\u003cli\u003eThe supplied product information does not identify whether this is an \u003cstrong\u003eindividual ring or part of a multi-ring piston configuration\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDo not select a piston ring based solely on approximate diameter or visual similarity\u003c\/li\u003e\n\u003cli\u003eCompare the replacement requirement against the engine’s specified \u003cstrong\u003episton, cylinder, and piston-ring part numbers\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eInspect associated \u003cstrong\u003episton ring grooves, piston, cylinder wall, connecting rod, wrist pin, bearings, crankshaft, crankcase, seals, and gaskets\u003c\/strong\u003e for wear or damage\u003c\/li\u003e\n\u003cli\u003eCheck the cylinder for \u003cstrong\u003escoring, excessive wear, surface damage, transfer deposits, or other conditions\u003c\/strong\u003e that could prevent the replacement ring from sealing correctly\u003c\/li\u003e\n\u003cli\u003eDetermine the underlying cause of the original ring failure before installing the replacement, especially if the engine experienced \u003cstrong\u003eoverheating, inadequate lubrication, contamination, incorrect fuel mixture where applicable, detonation, or piston\/cylinder damage\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePiston rings must be installed in the correct \u003cstrong\u003egroove, position, and orientation\u003c\/strong\u003e according to the applicable engine service procedure\u003c\/li\u003e\n\u003cli\u003eVerify the required \u003cstrong\u003ering end gap and groove clearance\u003c\/strong\u003e according to manufacturer specifications before final engine assembly\u003c\/li\u003e\n\u003cli\u003eDo not excessively spread, twist, bend, file, or otherwise modify the piston ring unless specifically required by the applicable service procedure\u003c\/li\u003e\n\u003cli\u003eUse appropriate piston-ring installation tools where necessary to reduce the risk of breaking or deforming the ring\u003c\/li\u003e\n\u003cli\u003eA new piston ring may not correct compression or performance problems if the \u003cstrong\u003episton or cylinder is excessively worn, scored, distorted, or otherwise damaged\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eKeep all internal engine components and sealing surfaces clean during assembly to prevent contamination\u003c\/li\u003e\n\u003cli\u003eThis listing is for the \u003cstrong\u003episton ring\u003c\/strong\u003e; do not assume that the \u003cstrong\u003episton, cylinder, wrist pin, retaining clips, connecting rod, bearings, gaskets, seals, or additional engine components\u003c\/strong\u003e are included unless specifically stated\u003c\/li\u003e\n\u003cli\u003eInternal engine repair may require \u003cstrong\u003especialized tools, precision measurements, and engine-specific service procedures\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAfter installation and engine reassembly, verify proper \u003cstrong\u003ecompression, lubrication, sealing, smooth engine rotation, leak-free operation, and overall engine performance\u003c\/strong\u003e before returning the equipment to normal service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden has-[\u0026gt;_:empty]:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Husqvarna","offers":[{"title":"Default Title","offer_id":53841365795179,"sku":"545160401","price":6.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/545160401.jpg?v=1789226175","url":"https:\/\/generalsprayers.com\/products\/husqvarna-545160401-piston-ring-replacement-lawn-garden-equipment-engine-piston-ring-component","provider":"GeneralSprayers","version":"1.0","type":"link"}