Graco 109450 Packing O-Ring
The Graco 109450 Packing O‑Ring is a precision seal designed for EH/GH series displacement pumps, ensuring leak-free operation and consistent pump performance. Key features include:
- Material: PTFE for chemical and temperature resistance
- Fits: EH/GH200DI, EH/GH300DI and related displacement pumps
- Critical for maintaining hydraulic pressure and preventing leaks
- OEM replacement for reliable pump performance
Compatible Machines for the 109450 Packing O-Ring
This genuine Graco part number 109450 (Packing, O-Ring) serves as a precision seal in select Graco displacement pump and spray assemblies. Below are the known machines/series it fits.
✅ Machines / Pump Assemblies it Fits
- Displacement Pump and Hydraulic Motor assembly in Series “EH/GH200DI” (pump model 24M629) — part 109450 listed in parts table.
- Displacement Pump and Hydraulic Motor assembly in Series “EH/GH300DI” — part 109450 appears in the parts list for the hydraulic section.
- Various Graco EH/GH series industrial spray machines using displacement pumps where part list shows “109450 PACKING, O-RING”.
About the Part
The part 109450 PACKING, O-RING is a seal used in the hydraulic/pump fluid path of certain Graco industrial spray systems. It appears explicitly in service manuals for EH/GH series displacement pumps.
Before ordering, verify the pump model and service manual parts list for your unit to ensure 109450 is the correct seal. Many pump assemblies use different part numbers for their O-ring packings.
Key Specifications & Notes
| Specification | Details |
|---|---|
| Part Number | 109450 PACKING, O-RING |
| Application | Sealing O-ring in hydraulic/pump module of Graco EH/GH-series displacement machines. |
| Design Note | Precision-moulded seal listed in parts tables of service manuals (e.g., “65 … 109450 PACKING, O-RING”). |
| Compatibility Reminder | Always cross-check your machine’s serial/model and parts manual — many similar pumps may use a different packing part number. |
Additional Compatibility & Important Reminder
While the part 109450 is confirmed for many EH/GH series displacement pumps, it may also appear in other Graco spray – pump – motor assemblies. If your machine is outside the listed series, check the specific service manual or contact Graco support for confirmation.
Frequently Asked Questions
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