Part 805-204A is a main housing assembly used as the structural core of Impact 440, 640 I and IA, and RentSpray 500 and 600 sprayers. It encloses and supports critical components including the motor, pump, and control systems. Replacing a cracked, damaged, or worn main housing restores structural integrity and ensures proper alignment of all internal components.
| Part Number | 805-204A |
|---|---|
| Part Description | Main Housing Assembly |
| Brand | Impact, RentSpray |
| Fits | Impact 440, 640 I and IA; RentSpray 500, 600 |
| Condition | New |
The 805-204A Main Housing Assembly is the structural foundation of Impact 440, 640 I and IA, and RentSpray 500 and 600 airless sprayers. This precision-molded component houses and supports the motor, pump, control board, and fluid passages. It provides mounting points for all external components and protects internal mechanisms from debris and impact.
Over time, main housings can sustain damage from drops, impacts, or stress cracks from vibration and temperature cycles. A cracked or warped housing can lead to misalignment of the motor and pump, fluid leaks, or failure of mounted components. Replacing a damaged main housing restores original equipment geometry and ensures reliable operation.
| Structural support | Houses and aligns motor, pump, and control components |
|---|---|
| Component mounting | Provides attachment points for handles, frames, and covers |
| Protection | Shields internal parts from debris and impact |
| Cracks or breaks | Visible damage compromises structural integrity |
|---|---|
| Broken mounting points | Components cannot be securely attached |
| Warping / deformation | Misalignment of motor and pump |
| Fluid leaks | Housing cracks causing internal fluid bypass |
Part 805-204A is compatible with the following sprayer models. Always confirm fitment using the correct parts diagram for your exact model and revision.
| Model / Series | Component |
|---|---|
| Impact 440 | Main Housing Assembly |
| Impact 640 I | Main Housing Assembly |
| Impact 640 IA | Main Housing Assembly |
| RentSpray 500 | Main Housing Assembly |
| RentSpray 600 | Main Housing Assembly |
When replacing the main housing, these components are often transferred from the old housing or replaced at the same time.
Inspect mounting surfaces and alignment when transferring to new housing.
Check for wear and ensure proper seating in new housing.
Inspect for damage and ensure secure mounting.
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