The Graco 25D138 Throttle and Leather/PE Repair Kit (290) is designed to restore proper sealing and pressure control in compatible Graco airless sprayer pumps using a 290cc throat assembly.
The Graco 25D138 Throttle and Leather/PE Repair Kit (290) is a genuine replacement kit designed to restore proper sealing and pressure control in compatible Graco airless sprayer pumps. It is used to service the throttle and throat packing area where wear commonly occurs due to continuous pumping action.
This kit is intended for Graco sprayers that specifically use a 290cc pump configuration. Compatibility should always be verified against the sprayer’s parts diagram or service manual before installation.
| Component Type | Purpose |
|---|---|
| Leather Packings | Provide durable sealing and handle heavy-duty coating materials |
| Polyethylene (PE) Packings | Improve sealing efficiency and reduce fluid leakage |
| Throttle Repair Components | Restore smooth pressure regulation and pump operation |
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