Part number 2337803 is a replacement O-ring designed to create a leak‑proof seal between mating components on compatible PowrLiner and Elite equipment. This precision‑molded elastomeric seal prevents fluid or air leakage, excludes contaminants, and maintains system pressure in critical connections such as hydraulic fittings, pump assemblies, and fluid passages. Replacing a worn, hardened, or damaged O‑ring restores system integrity and prevents costly fluid loss or component damage.
| Part Number | 2337803 |
|---|---|
| Part Description | O-Ring |
| Brand | PowrLiner / Elite |
| Fits | PowrLiner 4500, 5500; Elite 5500 |
| Condition | New |
The 2337803 O-Ring is a critical sealing component used in various fluid and air path connections on compatible PowrLiner and Elite line stripers and sprayers. Manufactured from durable, chemical‑resistant elastomer, it provides a reliable barrier against hydraulic fluid, paint, solvents, and air, preventing leaks and maintaining system pressure.
O‑rings are subject to wear from pressure cycles, chemical exposure, temperature extremes, and normal operation. A worn, hardened, or cracked O‑ring can lead to fluid leaks, air ingestion, pressure drops, and poor performance. Replacing the O‑ring at the first sign of leakage or deterioration restores proper sealing and extends the service life of your equipment.
| Fluid / air sealing | Prevents leaks at component joints and fittings |
|---|---|
| Pressure retention | Maintains system pressure by sealing critical connections |
| Contaminant exclusion | Blocks dirt and debris from entering the fluid or air path |
| Visible leaks | Fluid or air escaping from sealed connections |
|---|---|
| Hardening / cracking | Loss of flexibility, visible cracks, or brittle texture |
| Flattening / deformation | O-ring no longer has round cross‑section |
| During disassembly | Always replace O-rings when opening fluid or air connections |
Part number 2337803 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 | O-Ring |
| 5500 | O-Ring | |
| Elite | 5500 | O-Ring |
O-ring failure may indicate wear in associated components. When servicing the O‑ring, these parts are commonly inspected or replaced at the same time.
Check for damage or wear on mating surfaces that could affect seal performance.
If used, inspect backup rings for damage that could allow O‑ring extrusion.
Ensure sealing surfaces are clean and free of burrs or scratches.
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