Part 805-324A Pump Block is a precision-machined manifold component designed for Impact and RentSpray series equipment. This pump block houses the inlet and outlet passages, check valves, and mounting points for the pump assembly. Replacing a worn, cracked, or leaking pump block restores proper fluid flow, maintains system pressure, and ensures reliable spraying performance.
| Part Number | 805-324A |
|---|---|
| Part Description | Pump Block |
| Brand | Impact / RentSpray |
| Fits | Impact 440, 640 I, 640 IA, 640; RentSpray 600 |
| Condition | New |
The 805-324A Pump Block is a precision-machined manifold component that serves as the central fluid distribution hub in Impact and RentSpray series pump assemblies. This block contains precision-drilled passages that direct fluid flow, threaded ports for component mounting, and sealing surfaces for check valves and fittings.
Over time, pump blocks can develop cracks from pressure cycling, wear at sealing surfaces, or thread damage from repeated servicing. A compromised pump block can lead to internal bypass, external leaks, pressure loss, and poor priming. Replacing with this new pump block restores proper fluid pathways and ensures reliable pump operation.
| Fluid distribution | Directs paint flow through internal passages |
|---|---|
| Component mounting | Provides mounting points for check valves and fittings |
| Pressure containment | Withstands system operating pressure |
| Sealing surface | Provides precision surfaces for gaskets and seals |
| Visible cracks | Any crack in the block material |
|---|---|
| Thread damage | Stripped or damaged ports for fittings |
| External leaks | Fluid weeping from block seams or fittings |
| Internal bypass | Pressure loss due to internal wear or damage |
This pump block is designed for the following models. Always verify your equipment's parts diagram to ensure correct fit and application.
| Brand / Model | Component |
|---|---|
| Impact 440 | Pump block |
| Impact 640 I | Pump block |
| Impact 640 IA | Pump block |
| Impact 640 | Pump block |
| RentSpray 600 | Pump block |
Note: This list includes common applications. Consult your parts manual for exact location and quantity.
When replacing the pump block, these associated components are often inspected or replaced at the same time.
Inspect for wear or debris; replace if not sealing properly.
Replace all seals disturbed during pump block replacement.
Inspect thread condition; replace if damaged or corroded.
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