Hydac
The Hydac 4.01.18D03BN/-V is a 3µm microglass (borosilicate) hydraulic filter element. It measures 3.78" OD x 1.73" ID x 18.5" long. Filtration efficiency is rated at β200 per ISO 16889. Seals are Fluorocarbon (Viton/FKM), rated for -4°F to 400°F. 1 verified cross-reference is available from aftermarket manufacturers.
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Technical specifications for the Hydac 4.01.18D03BN/-V filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Micron Rating | 3µm |
| Media Type | Microglass (Borosilicate) |
| O.D. (inches) | 3.78" |
| O.A.L. (inches) | 18.5" |
| Efficiency (ISO 16889) | β200 |
| I.D. (inches) | 1.73" |
| Seal Material | Fluorocarbon (Viton/FKM) |
| Flow Direction | Pressure Line (Outside-In) |
| Operating Temperature | -4°F to 400°F |
Last verified: February 2026
1 verified cross-reference available from Hy-Pro. All cross-references are reviewed for dimensional and performance compatibility.
| Manufacturer | Part Number | Confidence |
|---|---|---|
| Hy-Pro | Request part number | Verified |
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Last verified: February 2026
The HYDAC 4.01.18D03BN/-V is designed for use in hydraulic and lubrication filtration systems. With a 3µm rating, this element is suitable for servo valve protection and high-precision hydraulic systems. Fluorocarbon (Viton/FKM) seals provide compatibility with petroleum-based fluids, synthetic fluids, phosphate esters, and water-glycol mixtures.
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