

Part number 800-453 is a block pump component designed for fluid transfer applications in compatible sprayer equipment. This pump block serves as the main housing or body that contains and supports the pumping mechanism, providing the structural framework for pressure generation and fluid displacement. It is compatible with 740 i Airless Sprayer and 740 IX models, forming the central component of the pumping system.
| Part Number | 800-453 |
|---|---|
| Part Description | Block Pump |
| Fits | 740 i Airless Sprayer; 740 IX |
| Condition | New |
Part number 800-453 is a block pump component that serves as the main structural housing for the pumping mechanism in compatible sprayer equipment. This pump body contains the internal components that generate pressure and displace fluid, providing the foundation for the hydraulic system operation.
A damaged or worn pump block can lead to fluid leakage, pressure loss, or improper pump operation. Replacing a compromised block pump restores the structural integrity of the pumping system and ensures reliable pressure generation.
| Structural housing | Contains and supports internal pumping components |
|---|---|
| Fluid containment | Forms sealed chambers for pressure generation |
| Component mounting | Provides attachment points for related pump parts |
| Cracks or damage | Structural defects affecting housing integrity |
|---|---|
| Wear surfaces | Excessive wear in component contact areas |
| Sealing failures | Damage to sealing surfaces causing leakage |
| Thread issues | Damaged mounting or connection threads |
Part number 800-453 is compatible with the following sprayer models. Verify fitment using appropriate documentation for your specific equipment.
| Model | Component |
|---|---|
| 740 i Airless Sprayer | Block Pump |
| 740 IX | Block Pump |
These components are often inspected or replaced when addressing pump block maintenance or repair.
Internal components that create pressure within the pump block.
Control fluid flow and prevent leakage within the pump assembly.
Fasteners and brackets that secure the pump block in position.