Part number 763-510 is a replacement O-ring designed to create a leak‑proof seal between mating components on compatible airless sprayers. This precision‑molded elastomeric seal prevents fluid leakage, excludes contaminants, and maintains system pressure in critical connections such as pump manifolds, fluid sections, and filter housings. Replacing a worn, cracked, or missing O‑ring restores system integrity and prevents costly fluid loss or component damage.
| Part Number | 763-510 |
|---|---|
| Part Description | O-Ring |
| Brand | Airless Sprayer / Elite / Epic |
| Fits | 1200 GXC; Elite G40, E55; Epic 1200 HPG |
| Condition | New |
The 763-510 O-Ring is a critical sealing component used in various fluid path connections on compatible airless sprayers. Manufactured from chemical‑resistant elastomer, it provides a reliable barrier against high‑pressure fluid, preventing leaks and maintaining system pressure.
O‑rings are subject to wear from pressure cycles, chemical exposure, and temperature extremes. A hardened, flattened, or cracked O‑ring will allow fluid to escape, leading to pressure loss, messy operation, and potential damage to adjacent components. Replacing the O‑ring at the first sign of leakage restores proper sealing and extends the life of the sprayer.
| Fluid sealing | Prevents paint and solvents from leaking at component joints |
|---|---|
| Pressure retention | Maintains system pressure by sealing high‑pressure connections |
| Contaminant exclusion | Blocks dirt and debris from entering the fluid path |
| Visible leaks | Fluid 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 connections |
Part number 763-510 is compatible with the following sprayer models. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Brand / Series | Model |
|---|---|
| Airless Sprayer | 1200 GXC |
| Elite Series | G40 |
| E55 | |
| Epic Series | 1200 HPG |
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.
The O-ring seals the filter bowl; inspect the housing for cracks or damage.
Leaks here can indicate pump wear; check valves and packings.
O-rings in swivels and gun connections should be replaced preventively.
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