DeWalt N445843 Filter – Genuine OEM Replacement Handheld Vacuum Filter
Part Number: N445843
Category: Power Tool Parts → Handheld Vacuum Parts → Vacuum Filters
Type: DeWalt N445843 Filter – Genuine OEM Replacement Handheld Vacuum Filter
The DeWalt N445843 Filter is a genuine OEM replacement filter designed for compatible DeWalt 20V MAX handheld wet/dry vacuums. This replaceable filter captures fine dust, dirt, and debris before they reach the vacuum motor, helping maintain strong suction, improve air quality, and protect internal components from premature wear. Manufactured to original equipment specifications, it provides a direct-fit replacement for clogged, damaged, or worn filters, restoring efficient vacuum performance.
Key Features & Benefits
- Part Number: N445843
- Genuine OEM DeWalt replacement part
- Replacement filter for handheld wet/dry vacuums
- Captures fine dust, dirt, and debris
- Helps maintain strong suction performance
- Protects the vacuum motor from airborne contaminants
- Direct-fit OEM replacement
- Manufactured to original equipment specifications
Technical Specifications
Part Number: N445843
Manufacturer: DeWalt
Product Type: Vacuum Filter
Application: 20V MAX Handheld Wet/Dry Vacuum
OEM Part: Yes
Quantity: Sold Individually
Compatible Applications
The DeWalt N445843 Filter fits compatible DeWalt handheld vacuums, including:
DeWalt
- DCV517B – 20V MAX 1/2-Gallon Cordless Wet/Dry Vacuum
- DCV517M1 – 20V MAX 1/2-Gallon Cordless Wet/Dry Vacuum Kit
Always verify your vacuum model, type number, and original part number before ordering to ensure proper compatibility.
Function of the Filter
The N445843 Filter is designed to:
- Capture fine dust and debris during vacuum operation
- Maintain unrestricted airflow for maximum suction
- Help protect the vacuum motor from contaminants
- Improve cleaning efficiency
- Support cleaner exhaust airflow
- Restore the original filtration performance of the vacuum
Using a genuine OEM replacement filter helps maximize suction performance while reducing wear on internal motor components.
Common Signs Replacement Is Needed
Replace the filter if you notice:
- Reduced suction power
- Visible tears or holes in the filter media
- Excessively clogged filter that cannot be cleaned
- Increased dust escaping from the exhaust
- Persistent loss of airflow
- Physical damage or deformation
A dirty or damaged filter can restrict airflow, reduce cleaning performance, and increase strain on the vacuum motor.
Installation & Service Notes
Turn the vacuum off and remove the battery before servicing.
Open the dust canister according to the manufacturer's instructions and remove the existing N445843 Filter. Empty any accumulated debris from the collection chamber and inspect the filter housing for dirt or obstructions. Install the replacement filter in the correct orientation, ensuring it seats securely without gaps. Reassemble the dust container and verify proper fit before returning the vacuum to service.
Important: Always verify your vacuum model and original part number before ordering. Replace the filter whenever it becomes excessively clogged, damaged, or can no longer be effectively cleaned.
Maintenance Recommendations
- Clean the filter regularly according to the vacuum owner's manual.
- Replace the filter if it becomes torn or excessively worn.
- Empty the dust container frequently to maintain airflow.
- Avoid operating the vacuum without the filter installed.
- Store the vacuum in a clean, dry location.
- Use genuine OEM replacement parts to maintain factory fit, efficient filtration, and long-term handheld vacuum performance.
