Graco 15D371 O-Ring Size 015 CV-75

Graco 15D371 O‑Ring Size 015 CV‑75

The Graco 15D371 is a genuine OEM elastomer O‑ring specifically sized for CV‑75 valves in Graco airless sprayer systems. With its precise 015 cross-section, this O‑ring provides a durable, leak-resistant seal under high-pressure conditions, helping maintain reliable performance during spray operations.

Key Features & Benefits

• OEM-grade O‑ring designed for CV‑75 valves
• Size 015 cross-section ensures tight, reliable sealing
• High-quality elastomer construction resists pressure cycling and fluid degradation
• Helps prevent leaks and ensures consistent pressure stability
• Easy to replace — reduces downtime when performing maintenance

Compatibility & Application

The 15D371 O‑Ring is commonly used in Graco CV‑75 valve assemblies and can be found in repair or conversion kits:

• Fits CV‑75 valves to restore proper sealing performance. 
• Included in Graco’s XR9 Lacquer Conversion Kit alongside the 15D370 (size 022) O‑Ring. 

Technical Details

Installation & Maintenance

1. Turn off and depressurize the sprayer before servicing the valve.
2. Disassemble the CV‑75 valve according to manufacturer guidelines.
3. Clean the seal groove thoroughly to remove any old sealant, debris, or fluid residue.
4. Install the 15D371 O‑Ring carefully, avoiding twisting or overstretching.
5. Reassemble the valve, re-pressurize the unit, and test for leaks under normal operating pressure.

Benefits of Replacing This O‑Ring

• Restores a secure, leak-free seal in the CV‑75 valve.
• Helps sustain consistent spray pressure for smooth operation.
• Prevents fluid loss and improves system reliability.
• Using a genuine Graco part ensures optimal fit and longevity.

Frequently Asked Questions