Graco 164738 Air Cylinder Cap
$382.00
In Stock
The Graco 164738 Air Cylinder Cap is an OEM replacement for select Graco dispensing and blow-off valves. It seals the air cylinder assembly and allows access for internal service or seal replacement.
- Ensures proper air sealing and pressure retention
- Used in Graco valves: 205435, 205612, 207440, and 246501
- Durable construction for reliable operation
- Genuine Graco part for precise fit and performance
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Genuine OEM Part
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Quick Compatibility & Overview
Compatible Machines / Equipment
This part is used in specific Graco air-actuated valves. Always verify with your unit’s parts manual.
- Graco Dispensing Valve 205435 Series
- Graco Dispensing Valve 205612 Series
- Graco Dispensing Valve 207440 Series
- Graco Blow-Off/Air Valve 246501
About This Part
The Graco 164738 Cap, Cylinder, Air is the OEM end-cap for the air-cylinder assembly used on select Graco air-actuated valves. Removing the cap provides access to the piston, spring, and seals for service. Choosing genuine Graco components helps maintain correct tolerances and reliable valve operation.
Key Specs
| Part Number | 164738 |
|---|---|
| Official Name | Cap, Cylinder, Air |
| Application | End-cap for air cylinder on specified Graco valves (see compatibility list above) |
| Category | Air-Actuation / Valve Service Parts |
| Fitment Guidance | Confirm via your unit’s illustrated parts list (IPL) or serial-specific manual |
When This Part Is Needed
- Air leaks from the cylinder cap area after gasket/seal service
- Damaged or worn cap threads impacting safe sealing
- Routine overhaul of the valve’s air cylinder assembly
Frequently Asked Questions
Yes—164738 Cap, Cylinder, Air is a genuine Graco replacement component for the listed valve models.
Match the part number in your machine’s Illustrated Parts List (IPL) or serial-specific service manual. If your sprayer or valve is not listed above, check its air-actuation section for 164738 or consult us with your model and serial number.
Depressurize and isolate air supply, inspect piston/seals, clean threads, and tighten to the service manual’s guidance. Replace worn seals as needed to prevent leaks.
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