Graco 17P186 Pump Assembly

Graco 17P186 Pump Assembly is a replacement Triax II triple-piston pump designed for cordless handheld sprayers, offering quick ProConnect installation and smooth, reliable performance.

Fits Ultra Cordless Handheld
Fits Ultimate Cordless
Fits TC Pro Cordless

Retail Price: $199.5

You save: $20.75 (10.40%)

Our Price: $178.75

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Description

Replacement Pump Overview & Key Details

Compatible Machines

This Graco 17P186 Pump Assembly fits the following cordless handheld sprayers:

• Ultra Cordless Handheld
• Ultimate Cordless
• TC Pro Cordless

Note: Designed for the cordless versions listed above.

What is the Graco 17P186 Pump Assembly?

The Graco 17P186 Pump Assembly is a factory replacement Triax II triple-piston pump built for Graco’s cordless handheld airless sprayers. It’s engineered for fast, on-the-job swap-outs using ProConnect so you can restore performance in minutes without a full teardown.

Key Highlights

Triax II pump core for smooth delivery and durability.
ProConnect drop-in design for quick field replacement.
Lightweight, rugged construction suitable for handheld use.
Restores prime, pressure, and spray consistency on compatible units.

Technical Details

Part Number	17P186
Pump Type	Triax II triple-piston handheld airless pump
Change-Out System	ProConnect (quick, tool-light replacement)
Intended Use	Replacement pump for Ultra Cordless, Ultimate Cordless, TC Pro Cordless handheld sprayers

What’s Included

1 × Graco 17P186 Pump Assembly (complete drop-in module)

Fit & Use Tips

Verify your sprayer is cordless handheld and listed in the Compatible Machines above.
Depressurize and remove material before swapping the pump via ProConnect.
After install, prime with clean material and test spray to confirm even pattern.

Frequently Asked Questions

It is specified for Ultra Cordless, Ultimate Cordless, and TC Pro Cordless handheld sprayers. Use of 17P186 with non-listed or corded variants is not recommended—check your exact model before purchase.

Loss of pressure, weak or pulsing spray, difficulty maintaining prime, or excessive wear noises can indicate the pump module needs replacement. Confirm battery health and tip condition first.

No. ProConnect allows a straightforward, drop-in swap. Depressurize, remove the old module, seat the 17P186, and re-prime. Always follow the sprayer’s manual for safety steps.

Typically no specialized tools are required thanks to ProConnect. Keep a clean work surface and follow the manual’s steps for safe removal and re-installation.

Use clean, well-strained material; match the tip to the coating; flush promptly after use; and store the sprayer per the manual. Proper maintenance reduces wear on the Triax II components.