Graco 116864 Backup – Compatibility, Specifications & FAQs
Compatible Machines
- Graco Ultra Max II 490
- Graco Ultra Max II 495
- Graco Ultra Max II 595
- Graco GMax 3900
- Graco GMax 5900
- Graco Mark V
- Graco Mark VII
Product Overview
The Graco 116864 Backup is a genuine OEM replacement part designed to support the main seal in your Graco airless sprayer. It helps prevent leaks, ensures consistent pressure, and enhances the overall efficiency of your sprayer.
Manufactured with durable, high-performance materials, this backup ring minimizes seal deformation and extends the lifespan of pump components—ideal for professional-grade spraying applications.
Product Specifications
| Part Number | 116864 |
| Description | Backup Ring |
| Brand | Graco |
| Material | High-strength polymer |
| Category | Sprayer Replacement Part |
Key Features
- Original Graco Part – Engineered for precise fit and reliability.
- Leak Prevention – Supports primary seals to maintain proper pressure.
- Durable Design – Made from wear- and chemical-resistant polymer.
- Easy Installation – Quick to replace with no special tools required.
Frequently Asked Questions
Yes, the Graco 116864 Backup is an original OEM replacement part made by Graco to guarantee perfect fit and performance.
The backup ring supports and protects the main seal, preventing distortion under pressure and maintaining the sprayer’s internal seal integrity.
The Graco 116864 Backup fits a range of Ultra Max II, GMax, and Mark Series sprayers, including models 490, 495, 595, 3900, 5900, and Mark V–VII.
Note: Always verify your sprayer model before purchasing the Graco 116864 Backup to ensure correct fit and performance.
