9Y9431 Air Cleaner Fits Caterpillar CP323C 426B 426 416B 416One New Aftermarket Replacement Pre Cleaner Assembly Fits Caterpillar (Fits CAT) Backhoe Loaders, Track Type Tractors, Compactors, and Telescopic Handlers This air pre cleaner assembly mounts vertically on top of the air intake stack and removes the majority of dust and debris from incoming air before it reaches the primary air filter and engine. Designed for the demanding conditions of construction and earthmoving worksites, this pre cleaner extends