{"product_id":"husqvarna-539990870-3-8-e-ring-replacement-lawn-garden-equipment-retaining-ring-hardware-component","title":"Husqvarna 539990870 3\/8\" E-Ring – Replacement Lawn \u0026 Garden Equipment Retaining Ring Hardware Component","description":"\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-(--sticky-padding-top)\" dir=\"auto\"\u003e\u003c\/section\u003e\n\u003cbr\u003e\n\u003c\/div\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=\"LR5Y_W_content markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 539990870\u003cbr\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Lawn \u0026amp; Garden Equipment Replacement Parts\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e 3\/8\" E-Ring – Replacement Lawn \u0026amp; Garden Equipment Retaining Ring Hardware Component\u003c\/p\u003e\n\u003chr\u003e\n\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003eHusqvarna 539990870 3\/8\" E-Ring\u003c\/strong\u003e is a replacement retaining hardware component designed for compatible \u003cstrong\u003eHusqvarna lawn and garden equipment\u003c\/strong\u003e. Intended for installation in the applicable grooved shaft, pin, axle, or similar retaining location, the E-ring helps secure associated components against unwanted axial movement or separation. Ideal for replacing a bent, stretched, corroded, damaged, missing, or otherwise unserviceable retaining ring, the 539990870 helps restore proper component retention when this specific part number is required.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 539990870\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 E-Ring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize Designation:\u003c\/strong\u003e 3\/8\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Type:\u003c\/strong\u003e Replacement Retaining Ring Hardware Component\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Lawn \u0026amp; Garden Equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Mechanical Retention \u0026amp; Hardware System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Component Retention \u0026amp; Axial Positioning\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 dir=\"auto\"\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement \u003cstrong\u003eE-ring retaining hardware\u003c\/strong\u003e for compatible Husqvarna equipment\u003c\/li\u003e\n\u003cli\u003eIdentified by the supplied \u003cstrong\u003e3\/8-inch size designation\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned to engage the applicable retaining groove in the specified assembly\u003c\/li\u003e\n\u003cli\u003eHelps secure components in their intended axial position\u003c\/li\u003e\n\u003cli\u003eHelps prevent associated components from unintentionally sliding off a shaft, pin, axle, or similar mounting point where applicable\u003c\/li\u003e\n\u003cli\u003eCompact retaining design suitable for specified mechanical assemblies\u003c\/li\u003e\n\u003cli\u003eUseful during maintenance when the original retaining ring has been removed, lost, or damaged\u003c\/li\u003e\n\u003cli\u003eSuitable for replacing a \u003cstrong\u003ebent, stretched, distorted, corroded, damaged, missing, or unserviceable\u003c\/strong\u003e E-ring\u003c\/li\u003e\n\u003cli\u003eSupports proper reassembly of applicable Husqvarna equipment components\u003c\/li\u003e\n\u003cli\u003eDirect replacement option when \u003cstrong\u003eHusqvarna part number 539990870\u003c\/strong\u003e is specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\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\u003eMechanical retaining assemblies\u003c\/li\u003e\n\u003cli\u003eGrooved shaft or pin applications where specified\u003c\/li\u003e\n\u003cli\u003eAxle and pivot assemblies where applicable\u003c\/li\u003e\n\u003cli\u003eLinkage and rotating assemblies where applicable\u003c\/li\u003e\n\u003cli\u003eComponent positioning and retention systems\u003c\/li\u003e\n\u003cli\u003eEquipment maintenance and repair\u003c\/li\u003e\n\u003cli\u003eReplacement of missing or damaged retaining rings\u003c\/li\u003e\n\u003cli\u003eApplications specifying \u003cstrong\u003eHusqvarna 539990870\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2 dir=\"auto\"\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify \u003cstrong\u003epart number 539990870\u003c\/strong\u003e before ordering\u003c\/li\u003e\n\u003cli\u003eConfirm compatibility with your specific Husqvarna equipment model and mechanical assembly\u003c\/li\u003e\n\u003cli\u003eThe supplied product information identifies this component as a \u003cstrong\u003e3\/8\" E-Ring\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe exact meaning of the \u003cstrong\u003e3\/8-inch designation\u003c\/strong\u003e within the manufacturer's dimensional specification is not further identified in the supplied product information\u003c\/li\u003e\n\u003cli\u003eDo not automatically interpret 3\/8\" as the ring's \u003cstrong\u003eoutside diameter, inside diameter, groove diameter, shaft diameter, or another specific measurement\u003c\/strong\u003e without confirmation from the applicable technical information\u003c\/li\u003e\n\u003cli\u003eThe exact \u003cstrong\u003eoverall dimensions, thickness, groove requirements, material, hardness, finish, load capacity, and installation specifications\u003c\/strong\u003e are not identified in the supplied product information\u003c\/li\u003e\n\u003cli\u003eCompare the original retaining ring's \u003cstrong\u003epart number, size, thickness, shape, groove fit, shaft or pin interface, and installation location\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eE-rings that appear visually similar may have different \u003cstrong\u003edimensions, thicknesses, groove requirements, material properties, and retention capabilities\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDo not substitute a generic retaining ring based solely on approximate diameter or appearance\u003c\/li\u003e\n\u003cli\u003eInspect the applicable \u003cstrong\u003eshaft, pin, axle, pivot, retaining groove, washers, spacers, bushings, bearings, and adjoining components\u003c\/strong\u003e for wear or damage\u003c\/li\u003e\n\u003cli\u003eThe retaining groove should be free from excessive \u003cstrong\u003ewear, deformation, burrs, corrosion, packed debris, or other damage\u003c\/strong\u003e that could prevent proper E-ring engagement\u003c\/li\u003e\n\u003cli\u003eIf the original E-ring repeatedly comes loose, inspect for an \u003cstrong\u003eincorrect ring, worn groove, excessive axial movement, damaged shaft, misalignment, vibration, or improper installation\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAvoid excessively spreading, bending, or distorting the E-ring during installation, as this may reduce its ability to remain securely engaged\u003c\/li\u003e\n\u003cli\u003eA retaining ring that has been significantly \u003cstrong\u003estretched, bent, distorted, cracked, or damaged during removal\u003c\/strong\u003e should not automatically be considered suitable for reuse\u003c\/li\u003e\n\u003cli\u003eUse an installation method appropriate for the retaining-ring design and avoid damaging the ring or retaining groove\u003c\/li\u003e\n\u003cli\u003eEnsure the E-ring is \u003cstrong\u003efully seated in the applicable groove\u003c\/strong\u003e before operating the equipment\u003c\/li\u003e\n\u003cli\u003eDo not replace the specified E-ring with a \u003cstrong\u003ecotter pin, snap ring, washer, clip, wire, or other improvised retaining method\u003c\/strong\u003e unless the applicable manufacturer information specifically authorizes the substitution\u003c\/li\u003e\n\u003cli\u003eDo not \u003cstrong\u003egrind, file, cut, bend, heat, weld, or otherwise modify\u003c\/strong\u003e the E-ring or its mounting location to force compatibility\u003c\/li\u003e\n\u003cli\u003eThis listing is for the \u003cstrong\u003e3\/8\" E-ring\u003c\/strong\u003e; do not assume that \u003cstrong\u003eshafts, pins, axles, washers, spacers, bushings, bearings, fasteners, or additional retaining hardware\u003c\/strong\u003e are included unless specifically stated\u003c\/li\u003e\n\u003cli\u003eBe aware that E-rings can \u003cstrong\u003espring free during removal or installation\u003c\/strong\u003e; appropriate eye protection is recommended when servicing retaining hardware\u003c\/li\u003e\n\u003cli\u003eShut off the equipment, disconnect the applicable power source, and secure any component that could move when the retaining ring is removed\u003c\/li\u003e\n\u003cli\u003eAfter installation, verify proper \u003cstrong\u003eE-ring seating, groove engagement, component retention, axial positioning, clearance, and overall assembly operation\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\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Husqvarna","offers":[{"title":"Default Title","offer_id":53866500030827,"sku":"539990870","price":4.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/husqvarnalogo_63da2cad-d6b8-4b0f-9ddf-e6b7a17f91a0.jpg?v=1789643849","url":"https:\/\/generalsprayers.com\/products\/husqvarna-539990870-3-8-e-ring-replacement-lawn-garden-equipment-retaining-ring-hardware-component","provider":"GeneralSprayers","version":"1.0","type":"link"}