

805-403 is a trap door assembly used on Impact 440 and RentSpray 500 sprayers. This hinged or sliding access panel provides entry to internal components such as filters, pumps, or electrical connections for maintenance and cleaning. Replace a broken, warped, or missing trap door to protect internal components from debris and ensure proper enclosure integrity.
| Part Number | 805-403 |
|---|---|
| Part Description | Trap Door |
| Brand | Impact / RentSpray |
| Fits | Impact 440, RentSpray 500 |
| Condition | New |
The 805-403 trap door is an OEM access panel designed for Impact 440 and RentSpray 500 sprayers. It provides convenient entry to internal components such as fluid filters, pump assemblies, or electrical connections, allowing for routine maintenance, cleaning, and inspection without full disassembly of the sprayer housing.
Over time, trap doors can become cracked from impact, warped from heat exposure, or have broken hinges/latches that prevent secure closure. A damaged or missing trap door exposes internal components to dust, debris, and moisture, potentially leading to premature wear or failure. Replacing it with this genuine assembly restores proper enclosure integrity, protects sensitive parts, and maintains the professional appearance of your sprayer.
| Component access | Provides entry to filters, pumps, and electrical parts |
|---|---|
| Environmental protection | Seals internal components from dust and debris |
| Security / retention | Keeps covers and latches securely closed during operation |
| Cracked / broken | Visible damage compromises protection |
|---|---|
| Warped / deformed | No longer fits flush against housing |
| Broken hinge / latch | Cannot be securely closed |
| Missing | Door lost during operation or service |
Part 805-403 is specifically designed for the following models. Always verify fitment by consulting your machine's parts manual.
| Model | Component |
|---|---|
| Impact 440 | Trap door assembly |
| RentSpray 500 | Trap door assembly |
When replacing the trap door, inspect these associated components for wear or damage.
Check for broken or worn hinge pins and latch mechanisms.
Ensure screws are present and threads are not stripped.
If the door has a sealing gasket, inspect for compression set or damage.