DeWalt A11031 Cooling Fan – Genuine OEM Replacement Air Compressor Fan (3.4" OD, 12mm Bore)
Part Number: A11031
Category: Air Compressor Parts → Motor & Pump Components → Cooling Fans
Type: DeWalt A11031 Cooling Fan – Genuine OEM Replacement Air Compressor Fan
The DeWalt A11031 Cooling Fan is a genuine OEM replacement fan designed for compatible DeWalt air compressors. Measuring approximately 3.4 inches in outside diameter with a 12mm center bore, this fan helps circulate air around designated compressor components to manage operating temperatures. Manufactured to original equipment specifications, it provides a direct replacement for a cracked, worn, loose, or damaged cooling fan while supporting dependable compressor performance and component longevity.
Key Features & Benefits
- Part Number: A11031
- Genuine OEM DeWalt replacement part
- Designed for compatible DeWalt air compressors
- Helps circulate cooling air during compressor operation
- Approximately 3.4-inch outside diameter
- 12mm center bore
- Helps reduce excessive heat buildup
- Supports reliable motor and pump performance
- Direct replacement for a worn or damaged cooling fan
- Manufactured to original equipment specifications
- Durable construction for dependable operation
Technical Specifications
- Part Number: A11031
- Manufacturer: DeWalt
- Product Type: Air Compressor Cooling Fan
- Outside Diameter: Approximately 3.4 inches
- Bore Diameter: 12mm
- Application: Cooling designated air compressor motor or pump components
- OEM Part: Yes
- Quantity: Sold Individually
Compatible Applications
The DeWalt A11031 Cooling Fan is designed for use with select DeWalt air compressors and compatible compressor assemblies requiring a fan with an approximately 3.4-inch outside diameter and 12mm bore.
Always verify the air compressor model, type number, original part number, fan dimensions, and applicable parts diagram before ordering to ensure proper compatibility.
Function of the Cooling Fan
The A11031 Cooling Fan is designed to:
- Circulate air around designated compressor components
- Help dissipate heat generated during operation
- Support proper motor or pump operating temperatures
- Reduce heat-related stress on surrounding components
- Promote dependable air compressor performance
- Help extend the service life of internal components
- Restore the compressor’s original cooling functionality
A properly functioning cooling fan is important for maintaining airflow and preventing excessive heat buildup during compressor operation.
Common Signs Replacement Is Needed
Replace the cooling fan if you notice:
- Cracked, chipped, or missing fan blades
- Fan is loose, warped, or damaged
- Scraping or rattling noises during operation
- Reduced airflow around the compressor assembly
- Excessive vibration near the fan
- Compressor components operating hotter than normal
- Fan does not rotate correctly
- Damage discovered during motor or pump servicing
A damaged or unbalanced fan can reduce cooling efficiency, create excessive vibration, and place additional stress on the compressor assembly.
Installation & Service Notes
- Disconnect the air compressor from its power source before servicing.
- Release all pressure from the air tank and allow the compressor to cool completely.
- Remove the necessary housing or protective cover to access the cooling fan.
- Note the original fan position, orientation, and mounting arrangement.
- Remove the damaged fan without bending or damaging the shaft.
- Install the A11031 Cooling Fan securely in the correct orientation.
- Confirm that the 12mm bore matches the designated mounting shaft.
- Rotate the fan by hand to verify free movement and proper clearance.
- Reinstall all guards and covers before operating the compressor.
- Test the compressor briefly and check for unusual noise, vibration, or contact.
Important: Never operate the air compressor with a damaged fan or removed protective guard. Professional installation is recommended if compressor disassembly or shaft-mounted component removal is required.
Maintenance Recommendations
- Inspect the cooling fan periodically for cracks, wear, and damaged blades.
- Keep the fan and ventilation openings free of dust and debris.
- Check for looseness or excessive movement during routine servicing.
- Investigate unusual rattling, scraping, or vibration promptly.
- Ensure all protective covers and airflow passages remain unobstructed.
- Replace damaged fans rather than attempting to repair them.
- Use genuine OEM replacement parts to maintain proper fit, airflow, and long-term compressor reliability.
