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Dewalt 5140119-29 Air Compressor Valve Plate Assembly

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SKU

5140119-29

Brand

DEWALT

$71.91

Quick Overview

The DeWalt 5140119-29 Air Compressor Valve Plate Assembly is a replacement part designed to maintain proper control of the airflow in air compressors and ensure better performance and efficiency. This high quality component regulates the flow of air inside the compressor pump and the pressure and the flow of air is constant and smooth. It is made of high-quality material that increases the durability of the compressor, minimizes leakage of air, and increases efficiency, it is recommended for better air compression that enhances the performance of the tool in workshops and job sites.

This Part Fits the Following Models (8)

Porter Cable PXCM601 Air Compressor, 60G (Type 0) Porter Cable PXCMLC3706056 3.7HP 240V 60-Gallon Single Stage Stationary Air Compressor (Type 1) Porter Cable DXCMTB5590856 Gas Wheeled Portable Comp (Type 0) DeWalt DXCMLA1983054 Air Compressor, 30 Gallon (Type 1) DeWalt DXCMWA5591056 (Type 0) 10gal Portable Air Compressor- Chopper Wheelbarrow DeWalt DXCMPA1982054 Air Compressor - 20 Gallon Wp (Type 1) DeWalt DXCMTA1980854 (Type 0) 8 Gallon Cast Iron Oil Lubricated Electric Wheelbarrow Air Compressor DeWalt DXCMLA3706056 3.7 Hp Gas Compressor (Type 1)

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Product Questions (4)

Customer Questions

Is the Dewalt 5140119-29 compatible with all Dewalt air compressors?

The valve plate assembly is designed for specific Dewalt compressor pump models. Compatibility depends on the pump series, so users should confirm model matching before installation.

Why is my compressor still not building pressure after installing the Dewalt 5140119-29?

If performance issues persist, the cylinder head gasket or piston rings may also be worn. The valve plate alone may not resolve deeper pump wear.

Can I install the Dewalt Air Compressor Valve Plate Assembly myself?

It can be replaced with basic mechanical tools. Proper torque alignment on the pump head and careful gasket placement are essential for correct installation.

What is the main function of the Dewalt Valve Plate Assembly?

It controls airflow direction during compression and intake cycles, ensuring the compressor builds and maintains proper tank pressure efficiently.

Troubleshooting

The Dewalt 5140119-29 Air Compressor Valve Plate Assembly plays a critical role in regulating airflow, compression cycles, and overall pressure stability inside Dewalt air compressors. When this assembly begins to fail, performance issues become noticeable quickly.

Common Symptoms :

Compressor runs but fails to build pressure.
Air leaks from pump head area.
Slow recovery time between cycles.
Excessive heat during operation.
Reduced airflow output or weak tool performance.

Compressor Not Building Pressure Properly

Quick Check: Inspect valve plate for cracked reed valves or damaged sealing surfaces.

Fix Suggestion: Replace the Dewalt 5140119-29 Valve Plate Assembly if reeds are warped or not seating correctly.

Prevention Tip: Avoid running compressor with dirty intake filters that strain valve components.

Air Leaking from Pump Head Area.

Quick Check: Listen for hissing around cylinder head while unit is idle.

Fix Suggestion: Tighten head bolts and replace gasket along with the valve plate assembly if sealing is compromised.

Prevention Tip: Periodically inspect head gasket alignment during maintenance cycles.

Compressor Cycling Too Frequently.

Quick Check: Observe if compressor turns on/off more often than normal under light load.

Fix Suggestion: Inspect valve plate reeds for weak tension or incomplete sealing and replace the 5140119-29 assembly if worn.

Prevention Tip: Maintain clean air intake to reduce carbon buildup affecting valve operation.

Excessive Heat from Pump Assembly.

Quick Check: Check if pump head feels unusually hot within short run times.

Fix Suggestion: Replace faulty valve plate assembly causing airflow restriction and pressure backflow.

Prevention Tip: Ensure proper ventilation and avoid continuous overuse beyond duty cycle.

Customer Experience: Many users replacing the Dewalt 5140119-29 Air Compressor Valve Plate Assembly report a noticeable improvement in pressure recovery and smoother cycling, especially after resolving hidden reed valve wear that gradually reduces output efficiency.

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