Disposable filter unit for automatic transmission fluid

摘要

An automatic transmission fluid filter has a casing consisting of a main casing portion and a cap. Generally axial spigots, are provided on the casing portion and the cap for connection into a fluid line. Within the casing there is a disc-shaped magnet and a paper element cartridge the magnet being located adjacent the entry spigot such that all fluid flowing through the spigot passes within the effective range of the magnet. A bypass valve may be provided in the paper element cartridge to allow fluid at a pressure above a predetermined level to bypass the paper filter.