Graco 866056 Screw Collar for Airless Paint Sprayers
$86.43
$94.25
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Graco 866056 Screw Collar is a genuine OEM pump component designed to secure and align internal fluid pump parts for consistent spray performance.
- OEM Part Number: 866056
- Part Type: Screw Collar
- Application: Internal fluid pump assembly
- Compatibility: Select Graco / Airlessco airless sprayers
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Genuine OEM Part
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Graco 866056 Screw Collar — OEM Replacement Pump Part
The Graco 866056 Screw Collar is a genuine OEM replacement component used within the fluid pump assemblies of select Graco/Airlessco airless paint sprayers. It maintains correct alignment and secure fastening of internal pump components, helping ensure smooth fluid delivery and reliable operation under pressure.
Compatible Machines
This part is installed in the internal pump section of the following machines (based on OEM parts diagrams):
- Graco / Airlessco SL800 / 1100 Mustang 11000 Airless Paint Sprayer (fluid pump internal screw)
- Graco / Airlessco Airless Paint Sprayer Model 3A1187H / GS6250-like assemblies (used in pump parts breakdown)
Part Specifications
| Specification | Details |
|---|---|
| Part Number | 866056 |
| Description | SCREW, COLLAR (OEM pump internal screw) |
| Used In | Fluid pump assemblies of select Graco/Airlessco airless sprayers |
Installation Notes
- Installed inside the fluid pump housing as shown in OEM parts schematics — not a standalone external accessory.
- Always refer to the original parts diagram for your specific machine before servicing.
- OEM replacement helps preserve factory tolerances and performance.
Frequently Asked Questions
This OEM screw collar secures internal pump components in the fluid section of compatible Graco/Airlessco sprayers, helping maintain alignment and reliable fluid transfer.
It appears in the internal pump parts lists of machines such as the SL800/1100 Mustang 11000 airless sprayer and similar Airlessco/Graco fluid pump assemblies.
If you have experience with disassembling pump housings and refer to the OEM diagrams, you can replace it — otherwise consider professional service. Always follow safety protocols before servicing.
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