{"product_id":"washer-hse42-hse52","title":"Washer HSE42, HSE52","description":"\u003ch1\u003eSTIHL Genuine Metal Washer for Hedge Trimmers and Long-Reach Cutters - 4237 958 0500\u003c\/h1\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSTIHL Genuine Metal Washer (Part 4237 958 0500)\u003c\/strong\u003e is an original OEM component for UK arborists, landscapers, grounds maintenance teams and domestic users repairing or servicing compatible STIHL hedge trimmers and long-reach hedge cutters. Sitting beneath a bolt or nut, this flat washer distributes clamping force evenly across the mating surface, protects component housings from damage and maintains correct assembly alignment under the sustained vibration of regular hedge trimming and cutting tasks. This part is also referenced as \u003cstrong\u003e4237-958-0500\u003c\/strong\u003e and \u003cstrong\u003e42379580500\u003c\/strong\u003e across STIHL service documentation and ordering systems.\u003c\/p\u003e\n\n\u003cp\u003eCompatible with a wide range of petrol, corded and battery STIHL models — including the \u003cstrong\u003eHS 45\u003c\/strong\u003e, \u003cstrong\u003eHS 82\u003c\/strong\u003e, \u003cstrong\u003eHSA 94\u003c\/strong\u003e, \u003cstrong\u003eHSE 42\u003c\/strong\u003e and \u003cstrong\u003eHSE 52\u003c\/strong\u003e — this washer is the correct OEM replacement for routine servicing, scheduled strip-downs and repair work at fastener points including handles, guards and drive-related mountings. Straightforward to fit with basic hand tools. Always confirm your machine's model and serial number against the compatibility list below before ordering — contact Gustharts if you need confirmation. Available from Gustharts, an authorised STIHL dealer with UK stock ready to ship.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine STIHL OEM part\u003c\/strong\u003e — assured compatibility, correct tolerances and reliable performance in specified assemblies\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart number 4237 958 0500\u003c\/strong\u003e — also referenced as 4237-958-0500 and 42379580500 for identification and ordering\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable metal construction\u003c\/strong\u003e — built for long service life under regular outdoor and professional use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDistributes fastener load\u003c\/strong\u003e — protects housings, guards and component mating surfaces from damage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVibration resistance\u003c\/strong\u003e — helps keep assemblies secure under the sustained vibration of hedge trimmer operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision fit\u003c\/strong\u003e — maintains correct stacking order and alignment at specified fastener points\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStraightforward installation\u003c\/strong\u003e — fittable with basic hand tools during routine servicing or strip-down\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide model compatibility\u003c\/strong\u003e — suitable for petrol, corded and battery STIHL hedge trimmers and long-reach cutters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specification\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse; text-align:left; border:1px solid #ddd;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eBrand\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eSTIHL\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eProduct Type\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eMetal Washer \/ Flat Washer\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eManufacturer Part Number\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003e4237 958 0500\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eAlternate Part Numbers\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003e4237-958-0500, 42379580500\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eMaterial\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eMetal\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eFunction\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eLoad distribution, surface protection and assembly alignment under fastener clamping\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eTypical Fitment Locations\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eHandles, guards and drive-related mounting points as specified in STIHL service documentation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eCompatible Machine Types\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003ePetrol, corded electric and battery hedge trimmers; long-reach hedge cutters; KombiMotor attachments\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003ePart Type\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eGenuine OEM Replacement Part\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFits Models\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSTIHL FH-KM 145\u003c\/li\u003e\n  \u003cli\u003eSTIHL FH-KM 145°\u003c\/li\u003e\n  \u003cli\u003eSTIHL HL 56 K\u003c\/li\u003e\n  \u003cli\u003eSTIHL HL 91 K\u003c\/li\u003e\n  \u003cli\u003eSTIHL HL 91 KC\u003c\/li\u003e\n  \u003cli\u003eSTIHL HL 92 C\u003c\/li\u003e\n  \u003cli\u003eSTIHL HL 92 KC\u003c\/li\u003e\n  \u003cli\u003eSTIHL HL 94\u003c\/li\u003e\n  \u003cli\u003eSTIHL HL 94 C\u003c\/li\u003e\n  \u003cli\u003eSTIHL HL 94 K\u003c\/li\u003e\n  \u003cli\u003eSTIHL HL 94 KC\u003c\/li\u003e\n  \u003cli\u003eSTIHL HL-KM 0\u003c\/li\u003e\n  \u003cli\u003eSTIHL HL-KM 0°\u003c\/li\u003e\n  \u003cli\u003eSTIHL HL-KM 0-145\u003c\/li\u003e\n  \u003cli\u003eSTIHL HLA 65\u003c\/li\u003e\n  \u003cli\u003eSTIHL HLA 66\u003c\/li\u003e\n  \u003cli\u003eSTIHL HLA 85\u003c\/li\u003e\n  \u003cli\u003eSTIHL HLA 85 Hedge\u003c\/li\u003e\n  \u003cli\u003eSTIHL HLA 86\u003c\/li\u003e\n  \u003cli\u003eSTIHL HLA 135\u003c\/li\u003e\n  \u003cli\u003eSTIHL HLA 135 K\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 45\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 46\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 46 C\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 52\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 56\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 56 C\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 81\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 81 R\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 81 RC\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 81 T\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 81 TC\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 82\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 86\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 86 R\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 86 T\u003c\/li\u003e\n  \u003cli\u003eSTIHL HS 87\u003c\/li\u003e\n  \u003cli\u003eSTIHL HSA 60\u003c\/li\u003e\n  \u003cli\u003eSTIHL HSA 66\u003c\/li\u003e\n  \u003cli\u003eSTIHL HSA 86\u003c\/li\u003e\n  \u003cli\u003eSTIHL HSA 94\u003c\/li\u003e\n  \u003cli\u003eSTIHL HSA 100\u003c\/li\u003e\n  \u003cli\u003eSTIHL HSA 130 R\u003c\/li\u003e\n  \u003cli\u003eSTIHL HSA 130 T\u003c\/li\u003e\n  \u003cli\u003eSTIHL HSE 42\u003c\/li\u003e\n  \u003cli\u003eSTIHL HSE 52\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAlso Known As\u003c\/h2\u003e\n\u003cp\u003eThis component is also referred to as a \u003cstrong\u003eflat washer\u003c\/strong\u003e, plain washer, fastener washer, load-spreading washer or spacer washer in STIHL service documentation and general maintenance literature. When sourcing this part, always use STIHL part number \u003cstrong\u003e4237 958 0500\u003c\/strong\u003e — or the equivalent formats \u003cstrong\u003e4237-958-0500\u003c\/strong\u003e and \u003cstrong\u003e42379580500\u003c\/strong\u003e — to confirm you are receiving the correct OEM specification part for your machine.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Fit a Genuine STIHL Washer Rather Than an Aftermarket Alternative?\u003c\/h2\u003e\n\u003cp\u003eSTIHL — the world's leading handheld power tool manufacturer — engineers its OEM components to exact tolerances matched to the specific fastener stacks and assembly loads of each model. For fastener hardware such as washers, the precision of material hardness, dimensional tolerance and surface finish directly affects how assemblies perform over time under vibration and clamping load.\u003c\/p\u003e\n\u003cp\u003eAftermarket alternatives may appear dimensionally similar but can vary in material specification, thickness and finish — differences that compound under the sustained vibration generated during hedge trimming and cutting work. A correctly specified OEM washer maintains the designed clamping stack, reduces the risk of progressive loosening and helps protect component housings from wear at fastener points. Fitting the right OEM part the first time reduces repeat servicing time and keeps your machine running as designed.\u003c\/p\u003e\n\n\u003ch2\u003eOften Replaced Alongside\u003c\/h2\u003e\n\u003cp\u003eWhen servicing fastener assemblies or completing a strip-down, it is worth inspecting and replacing related hardware at the same time:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/ja\/collections\/stihl-spare-parts\"\u003eSTIHL bolts, screws and fastener hardware\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/ja\/collections\/hedge-trimmer-accessories\"\u003eSTIHL hedge trimmer blades and cutter bars\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/ja\/collections\/sharpening-maintenance-tools\"\u003eSharpening and maintenance tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eExplore More\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/ja\/collections\/stihl-spare-parts\"\u003eSTIHL Spare Parts\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/ja\/pages\/stihl-parts\"\u003eSTIHL Parts Finder\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/ja\/collections\/hedge-trimmer-accessories\"\u003eHedge Trimmer Accessories\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/ja\/collections\/sharpening-maintenance-tools\"\u003eSharpening \u0026amp; Maintenance Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\n\u003ch3\u003eIs this a genuine STIHL washer?\u003c\/h3\u003e\n\u003cp\u003eYes. This is a genuine STIHL OEM component manufactured to original equipment specification for assured fit, correct tolerances and reliable performance.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the part number for this STIHL metal washer?\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer part number is 4237 958 0500. It is also referenced as 4237-958-0500 and 42379580500 across STIHL service documentation and ordering systems.\u003c\/p\u003e\n\n\u003ch3\u003eWhich STIHL machines does this washer fit?\u003c\/h3\u003e\n\u003cp\u003eThis washer fits a wide range of STIHL hedge trimmers and long-reach hedge cutters including the HS 45, HS 52, HS 82, HS 87, HSA 94, HSE 42, HSE 52, HLA 86, HL 94 series and KombiMotor FH-KM and HL-KM attachments, amongst others. See the full Fits Models list above to confirm compatibility with your machine.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does a washer do in a hedge trimmer assembly?\u003c\/h3\u003e\n\u003cp\u003eA washer sits beneath a bolt or nut to distribute clamping force over a wider surface area. This protects housing materials and mating surfaces from damage, maintains correct assembly stacking order and alignment, and helps prevent fasteners from loosening under the vibration generated during hedge trimming operation.\u003c\/p\u003e\n\n\u003ch3\u003eWhen should I replace a washer on a STIHL hedge trimmer?\u003c\/h3\u003e\n\u003cp\u003eReplace the washer if it is visibly worn, deformed, corroded or missing. As good practice, washers should also be renewed during a full strip-down or any repair where fasteners are removed, to ensure correct clamping force and assembly integrity are fully restored.\u003c\/p\u003e\n\n\u003ch3\u003eDo I need to confirm my machine model before ordering?\u003c\/h3\u003e\n\u003cp\u003eYes. Always check your machine's model number and serial number against the Fits Models list before ordering any STIHL spare part. If you are unsure whether this part is correct for your machine, contact Gustharts with your machine details and we will confirm compatibility.\u003c\/p\u003e","brand":"Stihl","offers":[{"title":"Default Title","offer_id":57985452147062,"sku":"ST-4237 958 0500","price":1.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/6603\/1348\/files\/STIHL_genuine_spares_from_authorised_dealer.png?v=1775040092","url":"https:\/\/www.gustharts.com\/ja\/products\/washer-hse42-hse52","provider":"Gustharts","version":"1.0","type":"link"}