DeWalt 5140067-14 Air Compressor Regulator Knob – Genuine OEM Replacement Pressure Regulator Adjustment Knob
Part Number: 5140067-14
Category: Air Compressor Parts & Accessories → Pressure Regulators → Regulator Knobs
Type: DeWalt 5140067-14 Air Compressor Regulator Knob – Genuine OEM Replacement Pressure Regulator Adjustment Knob
The DeWalt 5140067-14 Air Compressor Regulator Knob is a genuine OEM replacement adjustment knob designed for compatible DeWalt portable air compressors. This durable molded plastic knob attaches to the pressure regulator assembly, allowing the user to precisely adjust the regulated outlet air pressure supplied to pneumatic tools and accessories. Manufactured to original equipment specifications, it provides a direct-fit replacement for cracked, broken, or missing regulator knobs, restoring safe and accurate pressure adjustment.
Key Features & Benefits
- Part Number: 5140067-14
- Genuine OEM DeWalt replacement part
- Replacement pressure regulator adjustment knob
- Allows precise adjustment of regulated outlet pressure
- Durable molded plastic construction
- Ergonomic design for comfortable grip
- Direct-fit OEM replacement
- Manufactured to original equipment specifications
Technical Specifications
Part Number: 5140067-14
Manufacturer: DeWalt
Product Type: Pressure Regulator Knob
Material: Molded High-Impact Plastic
Application: Air Compressor Pressure Regulator
OEM Part: Yes
Quantity: Sold Individually
Compatible Applications
The DeWalt 5140067-14 Air Compressor Regulator Knob fits compatible air compressors, including:
DeWalt
- D55167 (Type 1 and later compatible types)
- D55168 (Type 1 and later compatible types)
Always verify your compressor model, type number, and original part number before ordering to ensure proper compatibility.
Function of the Regulator Knob
The 5140067-14 Regulator Knob is designed to:
- Adjust the regulated outlet air pressure
- Provide precise control for pneumatic tool operation
- Allow quick pressure changes for different applications
- Restore the original functionality of the regulator assembly
- Improve operator control during compressor use
- Help maintain consistent air delivery to connected tools
Using a genuine OEM replacement regulator knob helps ensure smooth operation and accurate pressure adjustments.
Common Signs Replacement Is Needed
Replace the regulator knob if you notice:
- Cracked or broken knob
- Knob missing from the regulator
- Difficulty adjusting outlet pressure
- Worn or stripped mounting interface
- Loose fit on the regulator stem
- Reduced grip due to physical damage
A damaged regulator knob can make it difficult to accurately adjust outlet pressure, affecting the performance of connected pneumatic tools.
Installation & Service Notes
Disconnect the compressor from the power source and completely drain air pressure from the tank before servicing.
Remove the damaged 5140067-14 Regulator Knob from the regulator stem according to your compressor's service procedure. Inspect the regulator stem and surrounding regulator assembly for signs of wear or damage before installing the replacement knob. Align the new knob with the regulator shaft and press or secure it into place as designed for your specific model. After installation, restore power, pressurize the compressor, and verify that the regulator turns smoothly and accurately adjusts the outlet pressure throughout its operating range.
Important: Always verify your compressor model and original part number before ordering. If the regulator remains difficult to adjust after replacing the knob, inspect the complete regulator assembly for internal wear or damage.
Maintenance Recommendations
- Keep the regulator knob clean and free of oil or debris.
- Avoid using excessive force when adjusting outlet pressure.
- Periodically inspect the knob for cracks or looseness.
- Verify smooth regulator operation during routine compressor maintenance.
- Replace damaged knobs promptly to maintain accurate pressure control.
- Use genuine OEM replacement parts to maintain factory fit, dependable pressure adjustment, and long-term air compressor performance.
