{"product_id":"husqvarna-545139903-chain-brake-assembly-replacement-chainsaw-chain-brake-component","title":"Husqvarna 545139903 Chain Brake Assembly – Replacement Chainsaw Chain Brake 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=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 545139903\u003cbr\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Chainsaw Replacement Parts\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Chain Brake Assembly – Replacement Chainsaw Chain Brake Component\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe \u003cstrong\u003eHusqvarna 545139903 Chain Brake Assembly\u003c\/strong\u003e is a replacement chainsaw safety and control component designed for compatible \u003cstrong\u003eHusqvarna chainsaws\u003c\/strong\u003e. The chain brake system is designed to stop or restrict chain movement when activated as part of the chainsaw’s intended safety system. Ideal for replacing a worn, damaged, broken, binding, or malfunctioning chain brake assembly, the 545139903 helps restore the chainsaw’s intended chain brake configuration and 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 545139903\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 Chain Brake Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Type:\u003c\/strong\u003e Replacement Chainsaw Chain Brake Component\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Chainsaw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Chain Brake \/ Safety System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Chain Brake Engagement \u0026amp; Chain Movement 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\u003echain brake assembly\u003c\/strong\u003e for compatible Husqvarna chainsaws\u003c\/li\u003e\n\u003cli\u003eDesigned for use within the applicable chainsaw chain brake system\u003c\/li\u003e\n\u003cli\u003eSupports proper chain brake engagement and release\u003c\/li\u003e\n\u003cli\u003eHelps stop or restrict saw-chain movement when the brake is activated\u003c\/li\u003e\n\u003cli\u003eRestores the intended chain brake configuration when the original assembly is worn or damaged\u003c\/li\u003e\n\u003cli\u003eSuitable for chainsaw safety-system maintenance, repair, and restoration\u003c\/li\u003e\n\u003cli\u003eHelps maintain proper interaction between the brake mechanism and applicable clutch-area components\u003c\/li\u003e\n\u003cli\u003eIdeal for replacing a \u003cstrong\u003eworn, broken, damaged, binding, or malfunctioning\u003c\/strong\u003e chain brake assembly\u003c\/li\u003e\n\u003cli\u003eDirect replacement option when \u003cstrong\u003eHusqvarna part number 545139903\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 chainsaws\u003c\/li\u003e\n\u003cli\u003eCompatible chainsaw models requiring part number 545139903\u003c\/li\u003e\n\u003cli\u003eChainsaw chain brake systems\u003c\/li\u003e\n\u003cli\u003eChain brake engagement and release mechanisms\u003c\/li\u003e\n\u003cli\u003eClutch and chain brake areas\u003c\/li\u003e\n\u003cli\u003eReplacement of damaged chain brake components\u003c\/li\u003e\n\u003cli\u003eChainsaw safety-system repair\u003c\/li\u003e\n\u003cli\u003eChainsaw maintenance and restoration\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 545139903\u003c\/strong\u003e before ordering\u003c\/li\u003e\n\u003cli\u003eConfirm compatibility with your specific Husqvarna chainsaw model, production configuration, and chain brake system\u003c\/li\u003e\n\u003cli\u003eThe exact \u003cstrong\u003edimensions, mounting configuration, and compatible chainsaw models\u003c\/strong\u003e are not identified in the supplied product information; verify these specifications before ordering\u003c\/li\u003e\n\u003cli\u003eBecause this product is identified as a \u003cstrong\u003echain brake assembly\u003c\/strong\u003e, verify the exact components included before purchasing\u003c\/li\u003e\n\u003cli\u003eDo not assume that the \u003cstrong\u003eclutch cover, brake band, spring, hand guard, linkage, fasteners, or other related components\u003c\/strong\u003e are included unless specifically stated\u003c\/li\u003e\n\u003cli\u003eCompare the replacement assembly with the original component’s \u003cstrong\u003eshape, mounting points, engagement features, orientation, and connection points\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eInspect the associated \u003cstrong\u003ebrake band, clutch drum, clutch, hand guard, springs, linkage, mounting points, and surrounding housing\u003c\/strong\u003e for wear or damage\u003c\/li\u003e\n\u003cli\u003eChain brake components may contain \u003cstrong\u003esprings under significant stored tension\u003c\/strong\u003e; use appropriate care during disassembly and installation\u003c\/li\u003e\n\u003cli\u003eNever modify, bypass, disable, or intentionally defeat the chainsaw’s chain brake or other safety systems\u003c\/li\u003e\n\u003cli\u003eDo not operate the chainsaw if the chain brake is \u003cstrong\u003edamaged, binding, improperly installed, or not functioning correctly\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eEnsure the chain brake is correctly installed and adjusted according to the applicable manufacturer service procedures\u003c\/li\u003e\n\u003cli\u003eBefore servicing, shut off the chainsaw, allow moving components to stop completely, and follow the manufacturer’s recommended maintenance procedures\u003c\/li\u003e\n\u003cli\u003eAfter installation, verify proper \u003cstrong\u003echain brake engagement, release, component clearance, chain movement, and overall brake-system operation\u003c\/strong\u003e before returning the chainsaw to 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":53826452914539,"sku":"545139903","price":57.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/545139903.jpg?v=1788908284","url":"https:\/\/generalsprayers.com\/products\/husqvarna-545139903-chain-brake-assembly-replacement-chainsaw-chain-brake-component","provider":"GeneralSprayers","version":"1.0","type":"link"}