

Part number 2401855 is an Insert Pressure D26 Assembly designed to regulate and maintain fluid pressure within the pump system of compatible PowrLiner and Elite equipment. This precision assembly houses critical pressure‑control components that ensure consistent material delivery and optimal spray performance. Replacing a worn, damaged, or leaking pressure insert assembly restores proper pressure regulation, eliminates fluctuations, and ensures reliable operation.
| Part Number | 2401855 |
|---|---|
| Part Description | Insert Pressure D26 Assembly |
| Brand | PowrLiner / Elite |
| Fits | PowrLiner 4500, 5500; Elite 5500 |
| Condition | New |
The 2401855 Insert Pressure D26 Assembly is a critical component within the hydraulic or fluid system of compatible PowrLiner and Elite line stripers and sprayers. It houses the pressure‑regulating mechanisms that maintain consistent fluid pressure during operation, ensuring uniform material delivery and optimal spray patterns. This assembly is designed for the D26 pump system and includes all necessary internal components for proper pressure control.
Over time, pressure insert assemblies can become worn, clogged, or damaged due to contamination, fatigue, or normal wear. A faulty assembly may cause pressure fluctuations, reduced output, or erratic spray performance, leading to inconsistent finishes and material waste. Replacing the Insert Pressure D26 Assembly restores precise pressure regulation, eliminates fluctuations, and ensures reliable, consistent operation of your equipment.
| Pressure regulation | Maintains consistent fluid pressure during operation |
|---|---|
| Flow control | Ensures proper material delivery to the spray gun |
| System stability | Prevents pressure spikes and fluctuations |
| Pressure fluctuations | Inconsistent spray pressure during operation |
|---|---|
| Reduced output | Lower than normal material flow |
| Visible wear / damage | Cracks, corrosion, or damage to the assembly |
| During system overhaul | Replace as part of complete pressure system rebuild |
Part number 2401855 is compatible with the following equipment models. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Brand | Model | Component |
|---|---|---|
| PowrLiner | 4500 | Insert Pressure D26 Assembly |
| 5500 | Insert Pressure D26 Assembly | |
| Elite | 5500 | Insert Pressure D26 Assembly |
Pressure insert issues may involve associated components. When servicing the Insert Pressure D26 Assembly, these parts are commonly inspected or replaced at the same time.
Inspect the main pressure control valve for proper operation.
Replace seals to prevent leaks and ensure proper pressure retention.
Check and clean or replace filters to prevent contamination.