Graco 17H870 Pump Cylinder

Graco 17H870 Pump Cylinder – Genuine OEM part for professional Graco sprayers.
Maintains consistent fluid pressure and ensures reliable operation.
Crafted with high-strength materials for long-lasting performance.
Designed for TexSpray Mark IV ProContractor, Ultra Max II 695/795, and GMAX 3900.

Retail Price: $540

You save: $144.72 (26.80%)

Our Price: $395.28

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Description

Product Overview

Graco 17H870 Pump Cylinder is a genuine OEM replacement lower-cylinder for the Endurance Vortex MaxLife pump used on the TexSpray Mark IV ProContractor. Replacing a worn or scored cylinder restores sealing surface integrity, helping maintain prime, steady pressure, and optimal spray performance.

OEM fit—no modifications when used with 17H832 pump.
Designed for high-duty texture & paint applications on Mark IV ProContractor units.
Pair with the correct Graco packing kit and piston/rod for a complete lower rebuild.

Compatible Machines

Graco TexSpray Mark IV ProContractor (2019 & newer)

Fitment note: This cylinder is the OEM replacement used in pump assembly 17H832 (Endurance Vortex MaxLife) designed for the TexSpray Mark IV ProContractor.

Quick Specs

Part Number	17H870
For Use With Pump	17H832 Endurance Vortex MaxLife Piston Pump
Compatible Sprayer Family	TexSpray Mark IV ProContractor (model year 2019+)
Max Working Pressure	Up to 3300 psi (per pump spec)
What’s Included	Cylinder only (no piston/rod or packing kit)
UPC / GTIN	755652851004

In the Box

17H870 Cylinder (single component)

Order packing kit and piston/rod separately if needed.

Installation Tips

Depressurize and flush the sprayer per Graco safety/maintenance procedures.
Inspect piston and packings; replace worn items while the pump is open.
Lubricate packings and reassemble to specified torque; prime at low pressure and check for leaks.

Frequently Asked Questions

No. The 17H870 is the cylinder only. If your packings or piston/rod show wear, add the correct Graco packing kit and piston/rod to your order for a full lower rebuild.

The 17H870 is the replacement cylinder used in pump 17H832, which is specified for the TexSpray Mark IV ProContractor (2019 & newer). Always verify against your sprayer’s parts manual before ordering.

Signs include persistent pressure drop, pulsation, difficulty priming, rapid packing wear, or visible scoring inside the cylinder bore.