Graco 248991 Pump Cylinder Sleeve
$439.92
$611.00
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The Graco 248991 Pump Cylinder Sleeve is an OEM repair kit designed to restore the internal bore of your hydraulic pump, improving sealing and pressure performance.
- Fits GH 200, EH 200, GH 230, and GH 300 series sprayers, including DutyMax models.
- Replaces worn cylinder sleeve to fix pressure loss and internal bypass issues.
- Ensures OEM precision and extends the life of your Graco hydraulic pump.
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Genuine OEM Part
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Compatibility & Quick Facts for Graco 248991 Pump Cylinder Sleeve
Compatible Machines
This OEM sleeve kit restores the pump cylinder on select Graco hydraulic sprayers. Confirm your exact model/serial before ordering.
- GH 200 hydraulic sprayers
- EH 200 hydraulic sprayers
- GH 230 hydraulic sprayers (including DutyMax GH 230 configurations)
- GH 300 hydraulic sprayers (including DutyMax GH 300 configurations)
Key Details
| OEM Part Number | Graco 248991 |
|---|---|
| Part Type | Pump Cylinder Sleeve (repair/replacement kit) |
| Function | Refurbishes the cylinder bore where the piston operates to restore sealing, pressure, and volumetric efficiency. |
| Typical Symptoms Indicating Replacement | Loss of pressure, internal bypass, poor stroke/output, overheating from bypass, visible wear or scoring in the cylinder. |
| What’s Usually Included | Cylinder sleeve and required components per Graco kit contents (verify current contents for your model/serial range). |
| Compatibility Reminder | Match by sprayer model, pump assembly and serial range for an exact fit. |
Why Choose the Graco 248991 Pump Cylinder Sleeve?
- Restore performance: Regains proper sealing and output on GH/EH hydraulic units.
- OEM precision: Maintains original tolerances and surface finish.
- Cost-effective: Rebuild instead of replacing the entire pump assembly.
- Reliability: Reduces bypass and heat, supporting longer pump life.
Fitment Notes
- For GH 200, EH 200, GH 230, and GH 300 families; includes DutyMax GH 230/300 configurations where specified.
- Always confirm pump assembly number and serial range in your parts manual before purchase.
- If your pump has been previously updated, verify which cylinder revision is installed.
Installation Tips
- Work clean—protect the new sleeve from debris; contamination will damage the bore quickly.
- Inspect the piston/rod and packings; replace worn components at the same time for best results.
- Torque fasteners to spec and verify concentricity/alignment during reassembly.
- After installation, pressure-test and monitor for abnormal heat or bypass.
Frequently Asked Questions
Not necessarily. There are different pump assemblies and revisions. Match by model, pump assembly, and serial range to ensure the pump cylinder sleeve is correct for your unit, including DutyMax variants.
Loss of pressure, unstable output, excessive heat from bypass, and visible scoring/pitting in the cylinder are common signs the sleeve needs replacement.
It’s recommended. Replacing packings and inspecting the piston/rod during the sleeve install helps restore full sealing and extends service intervals.
Yes—Graco 248991 is an OEM pump cylinder sleeve kit designed for the listed GH/EH and DutyMax configurations.
Check your parts manual and the pump assembly number on your unit. If a previous owner or service center upgraded components, verify the current cylinder revision before ordering Graco 248991.
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