STIHL Air Filter - 1141 120 1602

Key Features

• Genuine STIHL replacement component, manufacturer designation 1141 120 1602
• Pleated cellulose filtration media bonded to upstream synthetic foam pre-cleaner
• Direct-dimensioned peripheral frame eliminates gap-induced unfiltered airflow
• Stamped retention tabs align precisely with original intake housing slots
• Optimized porosity rating sustains stoichiometric mixture delivery under sustained peak load

Product Details

• Filtration medium: Treated paper configured for high-volume particulate capture
• Pre-separator layer: Closed-to-open cell polyurethane foam positioned at air inlet face
• Core construction: Reinforced kraft paper substrate with reinforced perimeter sealing lip
• Service protocol: Visual inspection every 25 operating hours; immediate replacement when light transmission falls below 30 percent or structural compression occurs
• Packaging specification: Sealed moisture-barrier sleeve preserves filtration efficiency until installation

Compatibility

• FS 110, FS 111, FS 180, FS 210, FS 260, FS 360 string trimming systems
• WA 270, WA 290, WA 300 brush cutting and vegetation management attachments
• KM 130 R, KM 131 R, KM 132 R, KM 140 R multi-system power heads
• K 70 Plus, K 110, K 130 high-pressure cleaning pump units
• WG 106, WG 116, WA 290 compressed-air blower platforms
• BG 56, BG 76C, BGA 56, BGA 66 handheld battery and gas-powered blowers