Part 441-148 O-Ring is a precision-molded elastomeric seal designed for Hydra M and Hydra Pro Super series equipment. This O-ring creates a leak-tight seal between mating components in the fluid section, pump assembly, or hydraulic system. Replacing a worn, cracked, or compressed O-ring restores proper sealing, prevents fluid leaks, and maintains system pressure.
| Part Number | 441-148 |
|---|---|
| Part Description | O-Ring (Elastomeric Seal) |
| Brand | Hydra |
| Fits | Hydra M, Hydra Pro Super |
| Condition | New |
The 441-148 O-Ring is a critical sealing component used in Hydra M and Hydra Pro Super series equipment. Manufactured from a durable elastomeric compound, it provides a reliable barrier against fluid leakage in high-pressure applications, including pump connections, manifold seals, and hydraulic fittings.
Over time, exposure to chemicals, temperature cycling, and compression set can cause O-rings to harden, crack, or lose their sealing ability. A compromised O-ring can lead to fluid leaks, pressure drops, air ingestion, and equipment downtime. Replacing with this OEM-specification O-ring restores system integrity and reliable performance.
| Fluid sealing | Prevents fluid escape between mating components |
|---|---|
| Pressure containment | Maintains system pressure by sealing high-pressure connections |
| Contamination barrier | Prevents external contaminants from entering the fluid path |
| Chemical resistance | Withstands exposure to paints, solvents, and cleaning agents |
| Visible leaks | Fluid weeping or dripping from sealed connection |
|---|---|
| Compression set | O-ring flattened or deformed and no longer springs back |
| Cracks or cuts | Surface damage that compromises the sealing ability |
| Hardening | O-ring feels brittle or has lost elasticity |
This O-ring is designed for the following models. Always verify your equipment's parts diagram to ensure correct fit.
| Brand / Model | Component |
|---|---|
| Hydra M | O-ring (various fluid section locations) |
| Hydra Pro Super | O-ring (various fluid section locations) |
When servicing O-rings, these associated components are often inspected or replaced at the same time.
Used in high-pressure applications to prevent O-ring extrusion.
Complete kits containing all O-rings for a specific assembly.
Compatible lubricant prevents O-ring damage during installation.
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