Graco 15R977 Pump Lower Adapter 50cc 3.5 Inch
$164.00
In Stock
The **Graco 15R977 Adapter** enhances fluid delivery by connecting 50 cc lower pump assemblies with optimal stability and precision.
- Built for 50 cc fluid sections
- Stainless steel construction
- Easy to install and align
- Supports high-output spray performance
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Genuine OEM Part
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Graco 15R977 Adapter Pump Lower – 50 cc, 3.5″ for Precise Fluid Handling
Compatible Machines
- Graco 50 cc fluid section sprayers
- Airless sprayers that use modular pump assemblies
- High-output professional spraying equipment requiring larger fluid capacity
The **Graco 15R977 Adapter** connects the lower fluid section of your sprayer to a 50 cc displacement system, enabling superior fluid flow and increased output.
Key Features
| Part Number | 15R977 |
|---|---|
| Displacement Volume | 50 cc |
| Length | 3.5 inches (lower section) |
| Material | Stainless steel coupling, precision machined |
| Application | High-capacity fluid delivery in contractor sprayers |
Installation & Usage Tips
- Always depressurize the system before removing or installing the adapter.
- Use proper alignment to avoid cross-threading.
- Apply a light, compatible lubricant to threads to ease installation.
- Check for leaks after installation and during first few spray cycles.
- Perform a routine inspection during regular maintenance to ensure the adapter remains tight and seal surfaces are intact.
Frequently Asked Questions
Yes, the 15R977 is specifically designed for 50 cc lower pump sections with matching thread and mounting dimensions.
Yes — its stainless-steel material and design support a wide range of coatings, including solvent-based materials.
Regularly inspect for metal fatigue, thread integrity, and any signs of fluid leakage. Clean during major servicing cycles.
It enables handling of larger fluid volume by matching a 50 cc lower pump section, which helps in maintaining consistent flow in high-output applications.
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