Dewalt 90594891-04 Pre-filter Assembly

Product Description

The DEWALT 90594891-04 is a pre-filter assembly designed to capture coarse particulate before air reaches the primary filtration stage. Pre-filters extend the service life of downstream filters by trapping larger dust, debris, and contaminants early in the filtration path. This assembly is an OEM replacement component intended for use in DEWALT power tool and equipment applications. Installation is typically performed by tradespeople, facility maintenance personnel, or knowledgeable end users performing routine filter maintenance on compatible DEWALT equipment.

This pre-filter assembly is suited for use in environments where dust and airborne particulate are generated, such as jobsite work areas, workshops, and construction sites. It is a direct replacement part sourced from DEWALT and is intended to restore equipment filtration performance to original specification when the existing pre-filter becomes worn, clogged, or damaged during normal service intervals.

Key Features

• OEM replacement pre-filter assembly from DEWALT
• Captures coarse dust and debris ahead of the primary filter stage
• Helps extend the service life of downstream filtration media
• Direct drop-in replacement for compatible DEWALT equipment

Compatibility

Designed as an OEM-style replacement pre-filter assembly for compatible DEWALT power tool and equipment models. Consult the equipment manual or DEWALT parts documentation to confirm fitment for your specific model.

Installation Notes

Pre-filter assemblies should be installed by a qualified technician or experienced user following the equipment manufacturer's service guidelines. Power down and disconnect the equipment from any power source before accessing the filter housing. Inspect the filter housing and seating surfaces for damage or debris before installing the new assembly. Replace pre-filters at manufacturer-recommended intervals to maintain proper airflow and equipment performance.

Technical Specifications

• Component Type: Pre-Filter Assembly

Standard Information

• Brand: DEWALT
• Manufacturer Part Number: 90594891-04