Graco 26C191 Displacement Pump For GH 200 Standard

The Graco 26C191 Displacement Pump is the OEM pump lower designed for GH 200 Standard hydraulic airless sprayers, ensuring dependable fluid delivery and consistent spray performance.

Part Number: 26C191
Fits: GH 200 Standard / Convertible models (e.g., 24W925)
Type: Fluid Section / Pump Lower Assembly
Use: Replaces worn pump for pressure stability and smooth output
Genuine Graco OEM – ensures perfect fit and reliability

$1817.2

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Description

Graco 26C191 Displacement Pump – OEM Fluid Section for GH Series

Compatible Machines

GH 200 Standard (e.g., model 24W925)
GH 200 Convertible Standard (verify model/serial before ordering)

Product Overview

The Graco 26C191 Displacement Pump (also called the fluid section or pump lower) is the OEM replacement assembly that delivers coating under pressure on GH 200 Standard hydraulic airless sprayers. Replacing a worn lower restores prime, pressure stability, and output consistency on medium- to large-scale coating jobs.

OEM quality for fit, durability, and performance
Hydraulic drive compatible—engineered for GH-series power train
Ready-to-install assembly to minimize downtime

Key Details

Part Number	26C191
Item Type	Displacement Pump / Fluid Section (pump lower)
Primary Fit	GH 200 Standard hydraulic airless sprayers
Use Case	Restores pressure/output when the lower is worn or damaged
Install Notes	Depressurize system, align rod/pin correctly, torque to spec, leak-check after install
Related Info	Some GH units may reference alternate pump lowers (e.g., 26C190). Always confirm by model and serial.

When Should You Replace the Pump Lower?

Chattering, cavitation, or persistent priming issues
Pressure instability or reduced flow at normal tip sizes
Fluid bypass/leaks at packings, check balls, or seats
Excessive wear noted during maintenance teardown

Maintenance Tips for Longer Life

Use proper pump armor/storage fluid when idle
Filter materials appropriately to reduce abrasion
Flush promptly after use—follow coating manufacturer guidance
Inspect intake/ball/seat surfaces during routine service

Frequently Asked Questions

No. It is specified for GH 200 Standard (and Convertible Standard variants). Other GH models may use different lowers—confirm your exact model and serial before ordering.

Hard priming, surging pressure, low output, or visible leakage/bypass are common indicators that the fluid section is worn and the 26C191 replacement is due.

They are different assemblies. Some GH units reference 26C190. Check your pump ID plate, parts list, or manual to verify the correct lower for your exact machine configuration.

After installation, re-prime with compatible solvent/coating, verify rod/pin alignment, torque jam nuts to spec, and inspect for leaks under pressure before returning to service.

Yes—26C191 is an OEM Graco part designed for the GH 200 Standard. Using genuine parts helps maintain warranty and performance.