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Graco 181073 Inlet Strainer Screen 1/2"

Graco 181073 Inlet Strainer Screen 1/2" helps protect your sprayer pump from debris by filtering paint or coating materials before they enter the system. Ideal for maintaining consistent spray performance and extending pump life.

  • 1/2" NPT female threaded inlet filter
  • Durable metal mesh—easy to clean and reuse
  • Prevents clogs and premature wear of pump components
  • Fits EM, Ultra, Nova, SuperNova, and Monark/President series

Retail Price: $29.3
You save: $0.59 (2.01%)
Our Price: $28.71
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Prevent Pump Damage with OEM Inlet Filtration

Compatible Machines

The Graco 181073 Inlet Strainer Screen 1/2" is commonly used on these Graco sprayers and pumps (and other units with a 1/2" NPT inlet):

  • Graco EM Series: EM 350, EM 380, EM 390, EM 400, EM 480, EM 490
  • Graco Ultra Series: Ultra 400, Ultra 500 (Lo-Boy / LoPro / Ultimate variants)
  • Graco Nova & SuperNova
  • Monark & President pump families (10:1, 15:1, 23:1, 30:1 ratios)
  • Other airless systems that accept a 1/2" NPT inlet strainer

Always confirm against your sprayer’s parts list/serial range. If you share your exact model, we can verify the OEM fit.

What is the Graco 181073 Inlet Strainer Screen 1/2"?

A threaded inlet filter screen that installs on the suction side of your sprayer/pump to stop debris entering the fluid section. By trapping particles before they reach valves and pistons, it helps maintain prime, reduce clogs, and extend pump life.

  • Threads directly into 1/2" NPT inlet ports
  • Durable metal screen design for repeated cleaning/reuse
  • Protects packings, seats, and valves from premature wear
  • Stabilizes flow and helps prevent cavitation due to contaminants

Key Specifications

Part Graco 181073 Inlet Strainer Screen 1/2"
Thread Type / Size 1/2" NPT (female)
Function Pre-pump debris filtration on suction/inlet side
Typical Construction Metal screen (cleanable); OEM-grade fit
Common Platforms EM Series, Ultra Series, Nova/SuperNova, Monark/President pumps

Fit & Use Notes

  • Verify your inlet port is 1/2" NPT to ensure proper thread engagement.
  • Inspect the screen regularly; clean or replace if dented, torn, or clogged.
  • When installing, relieve pressure, remove suction hose, thread the strainer, then reattach and test for leaks.
  • For best results, use OEM service parts matched to your sprayer’s exact model and serial range.

Frequently Asked Questions

It fits many Graco EM and Ultra platforms, Nova/SuperNova, and various Monark/President pumps using a 1/2" NPT inlet. Check your parts manual or contact us with your exact model/serial for confirmation.
Inspect before each job and clean whenever flow is reduced or contaminants are visible. Replace if the screen is damaged, crushed, or won’t clean back to full flow.
Follow your sprayer’s service manual. Many NPT connections use a compatible sealant/tape sparingly on the threads to ensure a leak-free seal without contaminating the fluid path.
Hard starting/priming, pulsation, cavitation, or reduced pressure/flow often point to a restricted inlet. Remove and clean the strainer and check your material’s cleanliness.
This listing references the OEM Graco 181073. Some aftermarket versions exist and may fit other brands that use a 1/2" NPT inlet. Always confirm thread size and clearance before use.

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