Graco 17J863 Gear and Yoke Kit

The Graco 17J863 Gear and Yoke Kit restores smooth drive motion and consistent spraying performance in ProX-series airless sprayers. Ideal for fixing pressure loss or drive noise.

Fits ProX17, ProX19, ProLTS 170, and ProLTS 190
Includes gear, yoke, and OEM hardware
Eliminates vibration and pulsation issues
Genuine Graco OEM replacement part

List Price: $93.75

You save: $7.77 (8.29%)

Sale Price: $85.98

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Description

Compatibility & Quick Overview

Compatible Machines

This OEM Graco 17J863 Gear and Yoke Kit fits the following electric airless sprayers:

• Magnum ProX17 — Stand (Model 17G177)
• Magnum ProX17 — Cart (Model 17G178)
• Magnum ProX19 — Stand (Model 17G179)
• Magnum ProX19 — Cart (Model 17G180)
• ProLTS 170 — Stand
• ProLTS 190 — Stand & Cart

Tip: If your unit is a store-variant (e.g., LTS or similar), match by model number on your sprayer data plate for confirmation.

Key Info: OEM 17J863 Gear & Yoke drive kit for ProX-series sprayers. Restores smooth drive motion and reduces pulsation caused by worn gears/yoke.

Direct-fit for ProX17/ProX19 & ProLTS 170/190
Graco OEM quality & tolerances
Best installed with fresh pump rod lube

Product Overview

The Graco 17J863 Gear and Yoke Kit is the core drive assembly that transfers motor rotation to the pump rod on select Magnum/ProLTS sprayers. Replacing a worn gear/yoke restores prime performance, reduces vibration, and helps maintain consistent pressure and spray pattern.

What’s in the Box

Component	Function	Notes
Drive Gear	Transfers motor torque to the yoke/rod mechanism.	OEM tolerance & finish
Yoke Assembly	Converts rotary motion to linear motion for the pump rod.	Reduced play/backlash
Associated Hardware	Retainers/fasteners required for proper fitment.	As supplied by Graco

When Should You Replace It?

Noticeable pulsation or inconsistent pressure despite a healthy pump.
Grinding/clunking noises from the drive area.
Visible wear on gear teeth or excessive play in the yoke.

Install Tips (Pro Guidance)

Disconnect power and depressurize the sprayer before service.
Inspect the pump rod, packings, and piston for wear; replace if needed for best results.
Use proper lubrication on contact points during assembly.
Tighten fasteners to Graco specifications; verify smooth manual stroke before powering on.

Cross-Reference

Also described in some catalogs as Kit, Gear & Yoke (700) for ProX-series drive systems.

Frequently Asked Questions

Match your sprayer’s model number (e.g., 17G177, 17G178, 17G179, 17G180) and series (ProX17/ProX19 or ProLTS 170/190). If the data plate matches any listed above, 17J863 is the correct drive kit.

Often, yes—worn drive components cause pulsation and noise. For best results, also inspect the pump/packings and ensure proper priming and tip size for your coating.

Basic hand tools typically suffice. Follow Graco service steps, apply proper lubrication, and torque fasteners correctly. If unsure, consult a service center.

Yes, it’s a genuine Graco OEM kit manufactured to original tolerances for ProX-series drives.

Keep the pump rod lubricated, use clean filters, avoid oversized tips for the coating, and store the sprayer clean and dry. Address unusual noises early to prevent secondary damage.