

The Graco 170755 Housing Coupler is a durable OEM straight-adapter housing used in Graco fluid-handling and coupler assemblies for secure, leak-resistant connections.
The Graco 170755 Housing Coupler is used in specific fluid-handling and coupler assemblies. It is not tied to complete sprayer models but is installed in systems that utilise Graco’s straight-adapter style coupler housing.
The Graco 170755 Housing Coupler serves as the core housing for straight-adapter style couplers. It maintains secure fluid connections and ensures durability in regulated fluid-handling assemblies. This component is typically replaced during service, rebuilds, or maintenance of Graco adapter-based coupler units.
| Part Number | 170755 |
|---|---|
| Part Type | Housing Coupler / Straight-Adapter Housing |
| Application Category | Fluid-Handling & Coupler Systems |
| Thread Type | Compatible with NPSM-based adapter couplers |
| Material | Heavy-duty metal construction (Graco OEM) |