Graco 168110 Packing O-Ring
The Graco 168110 Packing O-Ring is a genuine seal used in the prime/dump valve of many Graco airless sprayers to prevent leaks and maintain smooth priming. Perfect for restoring consistent spray performance.
- Stops fluid leaks at the prime valve
- Fits multiple Graco models (Ultra, Ultra Max, 695, and more)
- OEM replacement ensures reliable sealing
Overview & Compatibility for 168110 O-Ring
The Graco 168110 Packing O-Ring is a small but critical prime valve O-ring used to seal the drain/prime (dump) valve on many airless paint sprayers. Replacing a worn seal helps stop drips at the prime hose, restore holding pressure, and improve priming reliability across compatible Graco models.
Compatible Machines
Fits Graco sprayers that use the common prime/dump valve design (incl. assemblies like 235014). Notable models include:
- GM3000 (261550)
- 395 Duron (231580)
- 495ST (231584, 231585, 232676)
- Ultimate MX 695 (824910)
- Ultra Max 695 (232910)
- Ultra 495
- Ultra Max II 695
- SuperNova SPx
- TurfLiner
- Tradeworks 170
Tip: If your sprayer uses the Graco prime/dump valve family (e.g., 235014), this 168110 O-ring is typically the correct seal. Always confirm against your parts list or manual.
Key Benefits
- Restores prime/dump valve sealing to reduce leaks and drips.
- Helps maintain spray pressure and smooth priming performance.
- Genuine-spec Graco 168110 Packing O-Ring for dependable fit and life.
Technical Details
| Part Number | 168110 |
|---|---|
| Item Type | Packing O-Ring (Prime/Dump Valve Seal) |
| Function / Location | Seals the drain/prime valve stem-to-body interface to prevent fluid bypass and leaks. |
| Associated Assemblies | Used in prime/dump valve assemblies commonly found on multiple Graco airless sprayers (e.g., valve family 235014). |
| Compatibility Note | Match by parts manual or prime valve assembly used on your exact model for confirmation. |
| Typical Symptoms When Worn | Drips at prime hose, difficulty holding pressure, slow or inconsistent priming. |
Service Tips
- Depressurize sprayer and follow lock-out procedures before service.
- Inspect the prime valve bore and stem for scoring; clean and lightly lubricate with pump-safe grease before installing the new O-ring.
- After reassembly, prime with water/solvent per coating type and check for leaks.
Frequently Asked Questions
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