Makita 345983-0 — Exhaust plate (original Makita). Precision-formed replacement exhaust plate designed to sit in the nailer’s exhaust assembly and route/shield the exhaust port so your tool vents correctly and quietly. Fits Makita GN900 , GN900S , GN900SE and GN420C cordless concrete nailer—listed as the same exhaust plate in the parts breakdowns.
This is the single stamped/formed exhaust plate called out on the Makita parts list as 345983-0 and supplied as one unit (qty 1) in the parts diagram—an exact, original Makita replacement for worn, damaged or missing exhaust plates.
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