{"product_id":"stihl-gearbox-cover-4243-640-5800","title":"STIHL Gearbox Cover - 4243 640 5800","description":"\u003cdiv\u003e\n\u003cp\u003eThe STIHL Gearbox Cover (part number 4243 640 5800) functions as a direct-fit, original-equipment protective housing that seals internal drive transmissions against abrasive contaminants, moisture, and operational vibration. Engineered to replace compromised factory units, this component restores proper gearbox encapsulation and maintains manufacturer-specified tolerances without altering mounting hardware or service intervals.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDimensionally matched to factory gearbox apertures for immediate bolt-on installation\u003c\/li\u003e\n\u003cli\u003ePreserves internal lubrication by blocking ingression of soil, water, and cut vegetation debris\u003c\/li\u003e\n\u003cli\u003eChemical-resistant polymer construction withstands repeated exposure to fuels, oils, and hydraulic fluids\u003c\/li\u003e\n\u003cli\u003eDirect OEM replacement eliminates aftermarket adapter brackets or frame modifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: STIHL\u003c\/li\u003e\n\u003cli\u003eOriginal part reference: 4243 640 5800\u003c\/li\u003e\n\u003cli\u003eApplication classification: Drive unit gearbox enclosure\u003c\/li\u003e\n\u003cli\u003eFastener pattern: Identical to factory chassis mounting specifications\u003c\/li\u003e\n\u003cli\u003eManufacturing compliance: Meets STIHL structural and vibration-damping requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSTIHL FS 700 R, FS 800 R, FS 900 R brushcutters\u003c\/li\u003e\n\u003cli\u003eSTIHL KM 130 R, KM 160 R, KM 180 R multi-system power heads\u003c\/li\u003e\n\u003cli\u003eSTIHL MS 661 C-M, MS 391 C-M pole saw adapter modules\u003c\/li\u003e\n\u003cli\u003eSelect hedge-cutting and trimming attachment drive housings utilizing the same OEM gearbox architecture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"STIHL","offers":[{"title":"Default Title","offer_id":58552575000957,"sku":"ST-4243 640 5800","price":22.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/9190\/9056\/files\/4243_640_5800.webp?v=1787062501","url":"https:\/\/ripongroundcare.com\/products\/stihl-gearbox-cover-4243-640-5800","provider":"Ripon Ground Care","version":"1.0","type":"link"}