{"product_id":"stihl-air-filter-4140-124-2800","title":"STIHL Air Filter - 4140 124 2800","description":"\u003cdiv\u003eThe 4140 124 2800 air filter delivers factory-specified particulate filtration for Stihl two-stroke powerheads, maintaining optimal air-to-fuel ratios while blocking abrasive dust from reaching cylinder walls and crankshaft ports. Engineered as a direct interchange for original equipment assemblies, this unit mounts directly to the intake housing without adapter plates or sealant. \u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMulti-layer cellulose and polymer media calibrated to OEM micron thresholds\u003c\/li\u003e\n\u003cli\u003ePerimeter foam gasket compresses evenly to prevent unfiltered bypass air\u003c\/li\u003e\n\u003cli\u003ePrecision-molded intake frame matches factory mounting hole spacing\u003c\/li\u003e\n\u003cli\u003eDrop-in replacement design eliminates carburetor re-tuning upon installation\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer Part Number: 4140 124 2800\u003c\/li\u003e\n\u003cli\u003eFilter Media Type: Pleated dry panel\u003c\/li\u003e\n\u003cli\u003eConstruction Material: Reinforced cellulose with synthetic binder\u003c\/li\u003e\n\u003cli\u003eSealing Component: Integral rubber-infused edge gasket\u003c\/li\u003e\n\u003cli\u003eIntake Interface: Standard Stihl snap-lock housing pattern\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eStihl MS 271 F-E \/ MS 291 R-E\u003c\/li\u003e\n\u003cli\u003eStihl FS 91 R \/ FS 111 R\u003c\/li\u003e\n\u003cli\u003eStihl K 50 R-FR \/ K 70\u003c\/li\u003e\n\u003cli\u003eEquipment manuals explicitly referencing 4140-124-2800 for the primary air intake module\u003c\/li\u003e\n\u003c\/ul\u003e Service intervals depend on ambient particulate concentration; throttle hesitation, black smoke during acceleration, or visible media darkening indicate mandatory replacement. Remove the intake cover, slide out the degraded element, and verify the mating surface seal remains intact before installing the new filter. Do not modify the housing latch mechanism to accommodate alternate brands.\u003c\/div\u003e","brand":"STIHL","offers":[{"title":"Default Title","offer_id":58552314593661,"sku":"ST-4140 124 2800","price":1.83,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/9190\/9056\/files\/41401242800_1.jpg?v=1787053787","url":"https:\/\/ripongroundcare.com\/products\/stihl-air-filter-4140-124-2800","provider":"Ripon Ground Care","version":"1.0","type":"link"}