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Graco 15J363 Reservoir Cover

A durable replacement reservoir cover designed to protect the sprayer tank and maintain stable pressure during operation.

  • Strong, impact-resistant construction
  • Provides a secure, tight sealing fit
  • Helps prevent fluid contamination
  • Easy to install and remove for cleaning

Retail Price: $616
You save: $89.94 (14.60%)
Our Price: $526.06
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Graco 15J363 Reservoir Cover – Product Overview

Compatible Machines

  • Graco Ultra Max II 395
  • Graco Ultra Max II 595
  • Graco Ultra Max II 695
  • Graco Ultra Max II 795
  • Graco Ultra Max II 1095
  • Graco Ultra Max II 1595

The Graco 15J363 Reservoir Cover is a crucial component for Graco airless sprayers, designed to seal and protect the fluid container and maintain internal pressure. Built from durable material, it resists cracking and ensures a reliable tight fit, safeguarding the pressure system and preventing contamination.

Key Feature Description
Durable Polymer Construction High-strength plastic that withstands impact and jobsite demands
Precision Seal Forms an effective air-tight barrier to maintain sprayer pressure
Easy to Install Simple snap-fit design allows quick removal and replacement
Contaminant Protection Keeps dust, dirt, and debris out of the fluid reservoir

Using the 15J363 reservoir cover ensures your sprayer maintains consistent fluid pressure, minimizes the risk of leaks, and extends the life of your internal components. It’s ideal for professionals who run high-volume spraying jobs and need a dependable seal on their reservoir.

Installation & Maintenance Tips

  • Before installation, clean the rim of the reservoir to remove any paint, dust, or residue.
  • Align and press firmly — the snap-fit design should click securely into place.
  • Inspect the seal or gasket periodically for wear or damage.
  • Replace the cover immediately if cracks or deformities appear.
  • After heavy use, rinse and dry the cover to prevent buildup and maintain its sealing performance.

Frequently Asked Questions

This is the factory replacement for the Graco part number 15J363 reservoir lid.

No — it's intended for use with several Ultra Max II models: 395, 595, 695, 795, 1095, and 1595.

Remove the cover and visually inspect the gasket or sealing lip for any cracks or flattening — if the seal is deformed, it may leak under pressure.

If used in a high-demand, professional setting, check it every 12–18 months. Replace sooner if you notice any sealing problems or visible wear.

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