Graco 248980 Pump Cylinder Sleeve
$439.92
$611.00
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Graco 248980 Pump Cylinder Sleeve is a hardened chrome sleeve designed to restore pressure and performance in Graco GH and GMax series sprayers. Ideal for high-pressure fluid systems.
- OEM Graco part – ensures perfect fit and durability
- Compatible with GH 200/230/300 and GMax 3900–7900
- Prevents leakage and improves pump efficiency
- Replaces worn or scored cylinder sleeves
Quantity
Genuine OEM Part
Fast Shipping (Order by 1 PM CST)
Easy Returns
Compatible Machines
- GH 200 (1st–4th Generation)
- GH 230 (1st–3rd Generation)
- GH 300 (1st–3rd Generation)
- GMax 3900 / GMax II 3900 (1st–2nd Generation)
- GMax 5900 / GMax II 5900 (1st–2nd Generation)
- GMax 7900 / GMax II 7900 (1st–2nd Generation)
Product Summary
The Graco 248980 Pump Cylinder Sleeve is a hardened, precision-ground sleeve used in Graco high-pressure fluid pumps. It restores the pump’s internal bore where the piston reciprocates—helping recover pressure, reduce bypass, and extend overall pump life.
| Key Specifications | |
|---|---|
| Part Number | 248980 |
| Item | Pump Cylinder Sleeve (chrome/hardened sleeve for fluid section) |
| Function | Provides a durable, precise cylinder surface for the piston/rod to seal and reciprocate under high pressure. |
| Typical Symptoms Replaced For | Loss of pressure, scoring/wear in cylinder bore, excessive bypass, rapid packings wear. |
| Compatibility | See Compatible Machines list above. |
| What’s Included | Cylinder Sleeve (1) — other pump components sold separately. |
When Should You Replace the Sleeve?
- Visible scoring or wear inside the pump cylinder.
- Persistent pressure drop even after replacing packings/valves.
- Excessive leakage or bypass indicating loss of sealing surface integrity.
Installation Notes
- Use OEM tools and follow the service manual for your exact sprayer.
- Inspect piston/rod and packings; replace worn parts together for best results.
- Cleanliness matters — keep abrasives out of the fluid section during assembly.
| Question | Answer |
|---|---|
| Is 248980 an OEM Graco part? | Yes, 248980 is an OEM Graco Pump Cylinder Sleeve. |
| Will it fit my exact GH/GMax model? | Check the parts diagram for your machine’s generation (e.g., GH 230 2nd Gen). Generational changes can affect fitment. |
| Do I need other parts when replacing the sleeve? | Often yes—inspect/replace packings, piston/rod, and check valves if worn to restore full performance. |
| What causes sleeve wear? | Abrasive coatings, contamination, dry running, or misalignment can score the cylinder and reduce pressure. |
| Any break-in or setup tips? | Flush thoroughly, prime with compatible fluid, and avoid running dry. Follow torque specs and procedures in your Graco service manual. |
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