Durable plastic air filter housing head cover for reliable longterm use Compatibility Fits and installs on 021, 025, MS230, MS210, and MS250 chainsaws Accurate fit ensures proper sealing and operation with these models OEM replacement Replaces OEM part number 1123 140 1902 for a dependable replacement option Complete air filter set Includes 1 air filter cover, 1 air filter housing, 2 air filter heads, and 1 air filter cover lock All components provided for immediate setup Benefits and performance Durable plastic construction for lasting service life Supports proper filtration and airflow by maintaining a secure, accurate fit Easy installation to reduce downtime during maintenance Use scenarios Routine maintenance: worn or damaged cover and housing to restore proper filter function Spare parts for workshop or job site: have a complete set on hand for quick replacement when needed Dusty or debrisheavy environments: ensure a tight seal and reliable filtration during demanding cutting tasks Notes Maintains compatibility with the specified chainsaw models and replaces the OEM part for a trustworthy replacement option Includes all items needed to assemble and secure the air filter system on compatible chainsaws