

Part 9871049 is a replacement o-ring designed for CapSpray HVLP Maxum II sprayers (Model Nos. 0277034, 0277057, 0277055, 0277076, 0277075, 0277088, 0508062). This o-ring provides a critical seal in the fluid path or air passage, preventing leaks and maintaining proper pressure within the HVLP system. It restores reliable sealing performance when the original o-ring becomes worn, hardened, cracked, or damaged during use.
| Part Number | 9871049 |
|---|---|
| Part Description | O-Ring |
| Brand | Replacement (Fits CapSpray) |
| Fits | CapSpray HVLP Maxum II (select model numbers) |
| Condition | New |
The 9871049 O-Ring is a precision sealing component designed for CapSpray HVLP Maxum II sprayer models. It is used in various locations within the fluid and air systems to create leak-proof seals between mating components, ensuring proper pressure regulation and consistent material delivery.
HVLP (High Volume Low Pressure) systems rely on precise air and fluid seals to achieve optimal atomization and finish quality. Over time, o-rings can deteriorate due to chemical exposure, temperature cycling, and normal wear. A worn o-ring can cause fluid leaks, air loss, pressure fluctuations, and poor spray performance. Replacing degraded o-rings with this high-quality component restores system integrity and reliable operation.
| Fluid sealing | Prevents coating material from leaking at connections |
|---|---|
| Air sealing | Maintains proper air pressure in HVLP system |
| Pressure integrity | Ensures consistent pressure for optimal atomization |
| Visible leaks | Fluid or air escaping from sealed joints |
|---|---|
| Hardened / cracked o-ring | O-ring feels brittle, shows cracks, or has taken a permanent set |
| During disassembly | Always replace o-rings when servicing components to ensure proper sealing |
| Poor spray performance | Inconsistent pattern or pressure due to air/fluid leaks |
This o-ring (part 9871049) is compatible with the following CapSpray HVLP Maxum II models. Always verify fitment by consulting your equipment's parts diagram.
| Sprayer Model | Model Number | Component |
|---|---|---|
| CapSpray HVLP Maxum II | 0277034 | O-Ring |
| CapSpray HVLP Maxum II | 0277057 | O-Ring |
| CapSpray HVLP Maxum II | 0277055 | O-Ring |
| CapSpray HVLP Maxum II | 0277076 | O-Ring |
| CapSpray HVLP Maxum II | 0277075 | O-Ring |
| CapSpray HVLP Maxum II | 0277088 | O-Ring |
| CapSpray HVLP Maxum II | 0508062 | O-Ring |
When replacing o-rings in HVLP systems, it's good practice to inspect and consider replacing these related components.
Seals at the spray head are critical for proper atomization and pattern control.
Fittings may have integrated seals or require additional o-rings.
Air control components rely on o-rings for proper pressure regulation.