{"product_id":"stihl-air-filter-4149-120-1800","title":"STIHL Air Filter - 4149 120 1800","description":"\u003cdiv\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement for factory-stamped STIHL chassis air intake components\u003c\/li\u003e\n\u003cli\u003eMulti-stage filtration combining a coarse polyurethane foam pre-filter with a precision pleated cellulose main element\u003c\/li\u003e\n\u003cli\u003eOptimized pore distribution to capture abrasive wood particulate while maintaining specified volumetric airflow\u003c\/li\u003e\n\u003cli\u003eReinforced molded housing with alignment keys and standardized gasket channel for consistent seal retention\u003c\/li\u003e\n\u003cli\u003eFabricated to OEM dimensional tolerances, requiring no drilling or adapter hardware during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer: STIHL\u003c\/li\u003e\n\u003cli\u003ePart Number: 4149 120 1800\u003c\/li\u003e\n\u003cli\u003eAssembly Classification: Primary air filter and pre-filter unit\u003c\/li\u003e\n\u003cli\u003eMedia Composition: Porous PU foam base bonded to pleated treated paper core\u003c\/li\u003e\n\u003cli\u003eRetention Mechanism: Four-point clip-and-bolt mounting interface matching original clutch cover brackets\u003c\/li\u003e\n\u003cli\u003eMaintenance Protocol: Wash foam pre-filter in approved solvent, inspect pleats for collapse or tearing, and replace full assembly when flow restriction exceeds baseline specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eChainsaw Platform: STIHL MS 250, MS 270, MS 362\u003c\/li\u003e\n\u003cli\u003eCutting \u0026amp; Trimming Tools: FS 120 R, FS 160 R, FS 210 C, FS 211 S, FS 260 C, FS 360 R, FE 260\u003c\/li\u003e\n\u003cli\u003eAgricultural\/Electric Systems: HL 98 C-E, KR 81 R, SR 46\u003c\/li\u003e\n\u003cli\u003eKombiSystem Chassis: KM 56 R, KM 56 RM, KM 56 RK, KM 70 R, KM 70 RM, KM 70 RK\u003c\/li\u003e\n\u003cli\u003eInstallation Verification: Confirm host unit serial prefix and drive sprocket cover labeling prior to mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"STIHL","offers":[{"title":"Default Title","offer_id":58557280485757,"sku":"ST-4149 120 1800","price":2.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/9190\/9056\/files\/4149_120_1800.jpg?v=1787138269","url":"https:\/\/ripongroundcare.com\/products\/stihl-air-filter-4149-120-1800","provider":"Ripon Ground Care","version":"1.0","type":"link"}