

The Graco 108158 Packing U-Cup provides a durable, leak-resistant seal for high-pressure Graco pumps and sprayers, ensuring smooth operation and extended component life.
The Graco 108158 Packing U-Cup fits a variety of Graco high-pressure systems designed for coating and fluid transfer applications. This includes systems that use dynamic reciprocating seals.
The Graco 108158 Packing U-Cup is a precision-molded seal engineered to provide a tight, long-lasting seal in reciprocating pump and piston assemblies. Its U-shaped cross-section allows it to maintain pressure from both directions, improving performance and reducing maintenance downtime.
| Product Specifications | |
|---|---|
| Part Number | 108158 |
| Type | Packing U-Cup Seal |
| Material | High-durability elastomer compound |
| Application | Used in pump rod and piston assemblies for sealing under high pressure |
| Function | Prevents fluid leakage and maintains system pressure integrity |