{"product_id":"husqvarna-505435302-clutch-spring-genuine-oem-replacement-clutch-spring","title":"Husqvarna 505435302 Clutch Spring – Genuine OEM Replacement Clutch Spring","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 505435302\u003cbr\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Brushcutter, Clearing Saw \u0026amp; Trimmer Clutch Components\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Clutch Spring – Genuine OEM Replacement Clutch Spring\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe \u003cstrong\u003eHusqvarna 505435302 Clutch Spring\u003c\/strong\u003e is a genuine OEM replacement clutch component designed for select \u003cstrong\u003eHusqvarna brushcutters, clearing saws, and compatible Jonsered handheld equipment\u003c\/strong\u003e. Husqvarna's official genuine-parts catalog identifies \u003cstrong\u003e505435302\u003c\/strong\u003e specifically as a \u003cstrong\u003eClutch Spring\u003c\/strong\u003e and documents it across numerous professional brushcutter and clearing-saw models. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\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 505435302\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 Clutch Spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Description:\u003c\/strong\u003e Clutch Spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Type:\u003c\/strong\u003e Centrifugal Clutch Component\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Controls Clutch Shoe Retraction \u0026amp; Engagement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Application:\u003c\/strong\u003e Brushcutter \/ Clearing Saw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Brands:\u003c\/strong\u003e Husqvarna \/ Jonsered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Location:\u003c\/strong\u003e Engine Clutch Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssociated Components:\u003c\/strong\u003e Clutch Shoes \/ Clutch Hub \/ Clutch Drum \/ Bearing \/ Retaining Hardware\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 Clutch Spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number Reference:\u003c\/strong\u003e 505435302\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlternate Number Format:\u003c\/strong\u003e 505 43 53-02\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces:\u003c\/strong\u003e 505435301 \/ 503953801\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 193028503018\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate Weight:\u003c\/strong\u003e 0.01 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOEM-parts references confirm that \u003cstrong\u003e505435302 replaces previous clutch spring numbers 505435301 and 503953801\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e The UPC is documented as \u003cstrong\u003e193028503018\u003c\/strong\u003e. \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 component\u003c\/li\u003e\n\u003cli\u003eFactory-designated \u003cstrong\u003eClutch Spring\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible centrifugal clutch assemblies\u003c\/li\u003e\n\u003cli\u003eHelps retain clutch shoes at lower engine speeds\u003c\/li\u003e\n\u003cli\u003eSupports proper clutch engagement as engine RPM increases\u003c\/li\u003e\n\u003cli\u003eHelps maintain controlled transfer of engine power\u003c\/li\u003e\n\u003cli\u003eSupports proper clutch-shoe movement\u003c\/li\u003e\n\u003cli\u003eHelps maintain the factory clutch operating characteristics\u003c\/li\u003e\n\u003cli\u003eDesigned for high-speed handheld outdoor power equipment\u003c\/li\u003e\n\u003cli\u003eSuitable for professional brushcutters and clearing saws\u003c\/li\u003e\n\u003cli\u003eApplication-specific OEM fit\u003c\/li\u003e\n\u003cli\u003eReplacement for worn, stretched, weakened, or broken clutch springs\u003c\/li\u003e\n\u003cli\u003eSupersedes earlier \u003cstrong\u003e505435301\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDirect replacement for equipment requiring \u003cstrong\u003e505435302\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eGenuine OEM component rather than an unspecified universal clutch spring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eClutch Spring Function\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e505435302\u003c\/strong\u003e operates within a centrifugal clutch assembly.\u003c\/p\u003e\n\u003cp\u003eAt idle or lower engine speeds, the spring helps:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHold the clutch shoes inward\u003c\/li\u003e\n\u003cli\u003eKeep the shoes away from the clutch drum\u003c\/li\u003e\n\u003cli\u003ePrevent unnecessary cutting-head engagement\u003c\/li\u003e\n\u003cli\u003eMaintain the intended clutch position\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAs engine RPM increases:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCentrifugal force acts on the clutch shoes\u003c\/li\u003e\n\u003cli\u003eThe shoes move outward against spring tension\u003c\/li\u003e\n\u003cli\u003eThe shoes contact the clutch drum\u003c\/li\u003e\n\u003cli\u003eEngine power is transferred through the drivetrain\u003c\/li\u003e\n\u003cli\u003eThe cutting attachment can rotate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen engine speed decreases, the spring helps pull the clutch shoes back toward their disengaged position.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCentrifugal Clutch Operation\u003c\/h2\u003e\n\u003cp\u003eA properly operating clutch is important because handheld cutting equipment is designed so the cutting attachment does not remain fully driven at normal idle.\u003c\/p\u003e\n\u003cp\u003eThe clutch assembly generally includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClutch shoes\u003c\/li\u003e\n\u003cli\u003eClutch springs\u003c\/li\u003e\n\u003cli\u003eClutch hub\u003c\/li\u003e\n\u003cli\u003eClutch drum\u003c\/li\u003e\n\u003cli\u003eDrum bearing\u003c\/li\u003e\n\u003cli\u003eWashers\u003c\/li\u003e\n\u003cli\u003eRetainers\u003c\/li\u003e\n\u003cli\u003eMounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe spring is relatively small, but its tension directly affects how the clutch shoes respond to engine speed.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eDocumented Husqvarna Applications\u003c\/h2\u003e\n\u003cp\u003eHusqvarna's official genuine-parts documentation lists \u003cstrong\u003e505435302\u003c\/strong\u003e for models including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 343 F\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 343 FR\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 343 R\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 345 FR\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 345 FX\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 345 FXT\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 345 R\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 345 RX\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 355 FRM\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 355 FX\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 355 FXT\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 355 RX\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 545 FR\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 545 FX\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 545 FX AT\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 545 FXT\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 545 FXT AT\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 545 RX\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 545 RXT\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHusqvarna 545 RXT AT\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHusqvarna also lists the spring for compatible BC, CC, FC, and MC-series equipment. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eExact fitment should always be verified using the complete equipment model, serial range, and illustrated parts diagram.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAdditional Documented Applications\u003c\/h2\u003e\n\u003cp\u003eHusqvarna's genuine-parts catalog also identifies \u003cstrong\u003e505435302\u003c\/strong\u003e for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBC2145\u003c\/li\u003e\n\u003cli\u003eBC2255\u003c\/li\u003e\n\u003cli\u003eCC2145\u003c\/li\u003e\n\u003cli\u003eCC2245\u003c\/li\u003e\n\u003cli\u003eFC2145\u003c\/li\u003e\n\u003cli\u003eFC2145 S\u003c\/li\u003e\n\u003cli\u003eFC2145 W\u003c\/li\u003e\n\u003cli\u003eFC2245\u003c\/li\u003e\n\u003cli\u003eFC2245 W\u003c\/li\u003e\n\u003cli\u003eFC2255\u003c\/li\u003e\n\u003cli\u003eFC2255 W\u003c\/li\u003e\n\u003cli\u003eMC2255\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis broad model coverage reflects the use of the same clutch spring across multiple compatible professional handheld platforms. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eHusqvarna 545 RXT AT Clutch Assembly\u003c\/h2\u003e\n\u003cp\u003eCurrent Husqvarna documentation for the \u003cstrong\u003e545 RXT AT\u003c\/strong\u003e provides a clear example of how \u003cstrong\u003e505435302\u003c\/strong\u003e is used.\u003c\/p\u003e\n\u003cp\u003eThe clutch assembly includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClutch cover\u003c\/li\u003e\n\u003cli\u003eBall bearing\u003c\/li\u003e\n\u003cli\u003eCirclip\u003c\/li\u003e\n\u003cli\u003eClutch drum assembly\u003c\/li\u003e\n\u003cli\u003eClutch assembly\u003c\/li\u003e\n\u003cli\u003eClutch mounting screws\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e505435302 Clutch Spring\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eImportantly, Husqvarna specifies a \u003cstrong\u003equantity of three 505435302 clutch springs\u003c\/strong\u003e within this particular clutch assembly. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe quantity required can vary by application, so customers should verify their specific parts diagram before ordering.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eReplaces 505435301\u003c\/h2\u003e\n\u003cp\u003eThe current \u003cstrong\u003e505435302\u003c\/strong\u003e supersedes previous Husqvarna clutch spring:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e505435301\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eParts diagrams for equipment such as the Husqvarna 355 FXT identify \u003cstrong\u003e505435301\u003c\/strong\u003e as a \u003cstrong\u003e1.7 mm clutch spring\u003c\/strong\u003e that has been superseded to \u003cstrong\u003e505435302\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAdditional OEM-parts references identify:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e503953801\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e505435301\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eas previous numbers replaced by \u003cstrong\u003e505435302\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon Reasons for Replacement\u003c\/h2\u003e\n\u003cp\u003eReplacement of the \u003cstrong\u003e505435302 Clutch Spring\u003c\/strong\u003e may be appropriate if the original spring has:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBroken\u003c\/li\u003e\n\u003cli\u003eSnapped\u003c\/li\u003e\n\u003cli\u003eBecome stretched\u003c\/li\u003e\n\u003cli\u003eLost tension\u003c\/li\u003e\n\u003cli\u003eBecome distorted\u003c\/li\u003e\n\u003cli\u003eDeveloped corrosion\u003c\/li\u003e\n\u003cli\u003eSustained excessive heat\u003c\/li\u003e\n\u003cli\u003eBecome disconnected from a clutch shoe\u003c\/li\u003e\n\u003cli\u003eDeveloped worn attachment points\u003c\/li\u003e\n\u003cli\u003eBeen damaged during clutch service\u003c\/li\u003e\n\u003cli\u003eBecome unable to retract the clutch shoes properly\u003c\/li\u003e\n\u003cli\u003eBeen lost during clutch disassembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSprings store mechanical energy and can fail when subjected to stress beyond their intended operating range. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003ePossible Signs of Clutch Spring Problems\u003c\/h2\u003e\n\u003cp\u003eA worn or damaged clutch spring may contribute to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCutting attachment moving at idle\u003c\/li\u003e\n\u003cli\u003eClutch engaging too early\u003c\/li\u003e\n\u003cli\u003eClutch failing to disengage properly\u003c\/li\u003e\n\u003cli\u003eIrregular clutch engagement\u003c\/li\u003e\n\u003cli\u003eExcessive clutch vibration\u003c\/li\u003e\n\u003cli\u003eRattling from the clutch area\u003c\/li\u003e\n\u003cli\u003eClutch shoes remaining partially extended\u003c\/li\u003e\n\u003cli\u003eAbnormal clutch drum movement\u003c\/li\u003e\n\u003cli\u003ePoor power transfer\u003c\/li\u003e\n\u003cli\u003eIncreased clutch wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese symptoms can also result from worn clutch shoes, a damaged clutch drum, incorrect idle speed, bearing problems, or other drivetrain issues.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCutting Attachment Moving at Idle\u003c\/h2\u003e\n\u003cp\u003eIf the cutting attachment continues rotating while the engine is at normal idle, inspect the clutch system.\u003c\/p\u003e\n\u003cp\u003ePossible causes can include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBroken clutch spring\u003c\/li\u003e\n\u003cli\u003eStretched clutch spring\u003c\/li\u003e\n\u003cli\u003eWorn clutch shoes\u003c\/li\u003e\n\u003cli\u003eDamaged clutch components\u003c\/li\u003e\n\u003cli\u003eExcessive engine idle speed\u003c\/li\u003e\n\u003cli\u003eBinding within the clutch assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA clutch spring should not automatically be assumed to be the sole cause without inspecting the complete system.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eClutch Inspection\u003c\/h2\u003e\n\u003cp\u003eWhen replacing \u003cstrong\u003e505435302\u003c\/strong\u003e, inspect the surrounding:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClutch shoes\u003c\/li\u003e\n\u003cli\u003eRemaining clutch springs\u003c\/li\u003e\n\u003cli\u003eClutch hub\u003c\/li\u003e\n\u003cli\u003eClutch drum\u003c\/li\u003e\n\u003cli\u003eDrum bearing\u003c\/li\u003e\n\u003cli\u003eClutch cover\u003c\/li\u003e\n\u003cli\u003eRetaining ring\u003c\/li\u003e\n\u003cli\u003eWashers\u003c\/li\u003e\n\u003cli\u003eMounting screws\u003c\/li\u003e\n\u003cli\u003eDrive shaft components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf one spring has failed from fatigue or heat, the remaining springs should also be inspected closely.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSpring Replacement Considerations\u003c\/h2\u003e\n\u003cp\u003eOn clutch assemblies using multiple springs, spring condition can influence the balance and engagement characteristics of the clutch.\u003c\/p\u003e\n\u003cp\u003eFor example, the current Husqvarna \u003cstrong\u003e545 RXT AT\u003c\/strong\u003e IPL specifies \u003cstrong\u003ethree 505435302 springs\u003c\/strong\u003e in its clutch assembly. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eTherefore:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVerify how many springs your clutch uses.\u003c\/li\u003e\n\u003cli\u003eDo not assume one spring completes the clutch assembly.\u003c\/li\u003e\n\u003cli\u003eInspect all springs when the clutch is disassembled.\u003c\/li\u003e\n\u003cli\u003eVerify that each spring is correctly seated.\u003c\/li\u003e\n\u003cli\u003eReplace damaged clutch shoes or other components separately as necessary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation Considerations\u003c\/h2\u003e\n\u003cp\u003eBefore replacing the clutch spring:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eShut off the engine.\u003c\/li\u003e\n\u003cli\u003eAllow the engine and clutch to cool.\u003c\/li\u003e\n\u003cli\u003eDisconnect the spark plug.\u003c\/li\u003e\n\u003cli\u003eRemove the applicable clutch\/drivetrain cover.\u003c\/li\u003e\n\u003cli\u003eAccess the clutch assembly according to the equipment service procedure.\u003c\/li\u003e\n\u003cli\u003eNote the original spring and clutch-shoe orientation.\u003c\/li\u003e\n\u003cli\u003eCarefully release spring tension.\u003c\/li\u003e\n\u003cli\u003eInspect the clutch shoes and hub.\u003c\/li\u003e\n\u003cli\u003eInstall the replacement \u003cstrong\u003e505435302\u003c\/strong\u003e in the correct position.\u003c\/li\u003e\n\u003cli\u003eConfirm that the spring is fully seated at both attachment points.\u003c\/li\u003e\n\u003cli\u003eReassemble the clutch and drivetrain components.\u003c\/li\u003e\n\u003cli\u003eVerify proper clutch operation before normal use.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eClutch springs are tensioned mechanical components and should be handled carefully during removal and installation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify compatibility with your exact equipment model, serial number, product number, and production revision before ordering.\u003c\/li\u003e\n\u003cli\u003eMatch \u003cstrong\u003epart number 505435302\u003c\/strong\u003e directly with the equipment's OEM illustrated parts diagram.\u003c\/li\u003e\n\u003cli\u003eHusqvarna's official genuine-parts catalog identifies \u003cstrong\u003e505435302 as a Clutch Spring\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eThis part is primarily documented for \u003cstrong\u003ebrushcutters and clearing saws\u003c\/strong\u003e, rather than mower-deck clutch systems. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e505435302 replaces 505435301 and 503953801.\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrevious \u003cstrong\u003e505435301\u003c\/strong\u003e is documented as a \u003cstrong\u003e1.7 mm clutch spring\u003c\/strong\u003e on applicable clutch assemblies. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eUPC is \u003cstrong\u003e193028503018\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 replacement clutch spring solely by approximate length or appearance.\u003c\/li\u003e\n\u003cli\u003eClutch springs can differ in wire diameter, overall length, hook configuration, spring rate, tension, and intended engagement characteristics.\u003c\/li\u003e\n\u003cli\u003eUse \u003cstrong\u003e505435302\u003c\/strong\u003e as the primary fitment reference.\u003c\/li\u003e\n\u003cli\u003eDo not stretch, shorten, cut, bend, or otherwise modify the replacement spring.\u003c\/li\u003e\n\u003cli\u003eDo not substitute an arbitrary hardware spring.\u003c\/li\u003e\n\u003cli\u003eThe clutch operates at high rotational speeds and requires correctly specified components.\u003c\/li\u003e\n\u003cli\u003eInspect all clutch shoes and springs when servicing the assembly.\u003c\/li\u003e\n\u003cli\u003eSome applications require multiple \u003cstrong\u003e505435302\u003c\/strong\u003e springs; the 545 RXT AT, for example, specifies \u003cstrong\u003ethree\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eDo not assume multiple springs are included when purchasing one \u003cstrong\u003e505435302\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCheck the OEM diagram for the required quantity.\u003c\/li\u003e\n\u003cli\u003eInspect the clutch drum for excessive wear, scoring, cracking, or heat damage.\u003c\/li\u003e\n\u003cli\u003eInspect the clutch bearing and retainers where applicable.\u003c\/li\u003e\n\u003cli\u003eMake sure each spring is securely attached before reassembly.\u003c\/li\u003e\n\u003cli\u003eVerify that clutch shoes retract properly after installation.\u003c\/li\u003e\n\u003cli\u003eConfirm that the cutting attachment does not remain driven at normal idle.\u003c\/li\u003e\n\u003cli\u003eIf the cutting attachment continues moving at idle after clutch repair, shut down the equipment and diagnose the clutch and engine idle settings before further use.\u003c\/li\u003e\n\u003cli\u003eAllow hot engine and clutch components to cool before service.\u003c\/li\u003e\n\u003cli\u003eDisconnect the spark plug before performing clutch repairs.\u003c\/li\u003e\n\u003cli\u003eWear appropriate eye protection when handling tensioned springs.\u003c\/li\u003e\n\u003cli\u003eThis listing is for \u003cstrong\u003eone Husqvarna 505435302 Clutch Spring only\u003c\/strong\u003e unless otherwise specified. Clutch shoes, clutch drum, bearings, hub, additional springs, washers, and mounting hardware are sold separately unless explicitly included.\u003c\/li\u003e\n\u003cli\u003eMatch \u003cstrong\u003eHusqvarna 505435302\u003c\/strong\u003e with your equipment's OEM parts diagram and verify the required quantity before ordering to ensure proper fitment.\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":53752175591787,"sku":"505435302","price":8.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/505435302.jpg?v=1787272302","url":"https:\/\/generalsprayers.com\/products\/husqvarna-505435302-clutch-spring-genuine-oem-replacement-clutch-spring","provider":"GeneralSprayers","version":"1.0","type":"link"}