

Aircoat part 0533412 is a retainer used to secure and position components within the pump fluid section of compatible sprayers. This precision component holds packings, seals, or other internal parts in their correct location, preventing movement during operation. It is an essential replacement part during pump rebuilds on Aircoat 423 models.
| Part Number | 0533412 |
|---|---|
| Part Description | Retainer |
| Brand | Aircoat |
| Fits | Aircoat 423 |
| Condition | New |
The Aircoat 0533412 retainer is a precision component that holds packings, seals, and other internal parts in their correct position within the pump fluid section. It prevents these components from shifting during operation, which could lead to misalignment, leakage, and premature wear.
Retainers can become worn, distorted, or damaged during disassembly or over time due to pressure and vibration. A damaged retainer may allow packings to move, compromising the seal and leading to pressure loss. Replacing the retainer during pump service ensures all components remain properly positioned for reliable operation.
| Secures internal components | Holds packings, seals, and other parts in position |
|---|---|
| Prevents movement | Stops components from shifting under pressure or vibration |
| Maintains alignment | Ensures packings remain properly oriented |
| Provides bearing surface | May act as a wear surface for moving parts |
| Visible wear or damage | Cracks, distortion, or worn surfaces |
|---|---|
| During packing replacement | Replace retainer when servicing packings |
| Misalignment issues | If packings are shifting out of position |
| Corrosion or pitting | Surface degradation compromises fit |
Aircoat part 0533412 is designed specifically for use with the following sprayer model. Always verify your pump configuration before ordering.
| Brand / Model | Component |
|---|---|
| Aircoat 423 | Retainer |
When replacing the retainer, these components are often replaced or inspected to ensure a complete fluid section overhaul.
The retainer holds packings in place; replace both together.
Spring works with retainer to maintain packing tension.
Inspect for wear that could affect retained components.