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Graco 166820 Compression Spring

$38.00
In Stock
Part #: 166820

The Graco 166820 Spring Compression is an OEM tension spring used inside trigger and valve assemblies for smooth and reliable operation.

  • OEM Graco replacement part
  • Maintains trigger return tension
  • Used in select Graco spray gun assemblies
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Graco 166820 Spring Compression – OEM Replacement Part

Compatible Machines

This Graco 166820 Spring Compression is a general-use OEM component found in select Graco spray guns and trigger/valve assemblies. It is not tied to a specific sprayer model in public Graco documentation. Please verify compatibility through your sprayer’s parts manual.

  • Used in select Graco spray gun trigger assemblies
  • Fits systems referencing part number 166820 in their valve/trigger diagram
  • Applicable for Graco guns listed with compression spring reference “SPRING, compression” (Ref 16)

Product Details

The Graco 166820 Spring Compression is a genuine Graco replacement part designed to maintain proper tension within the trigger or valve assembly of applicable Graco spray guns. Its role is to ensure smooth trigger return and reliable internal movement. As an OEM part, it provides dependable fit and long-term durability.

Part Number 166820
Part Type Spring, Compression
Usage Area Trigger / Valve Assemblies
Brand Graco
Replacement Type OEM Genuine Part

Frequently Asked Questions

This spring provides the return tension required inside the trigger or valve assembly, helping ensure smooth trigger movement and consistent spray control.

Check your machine’s parts manual or exploded diagram. If the manual lists the spring with part number 166820, it is the correct replacement.

Yes, the 166820 Spring Compression is an original Graco-manufactured part designed for high-performance reliability.

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