Hy-Pro
Hy-Pro HP21L4-3SFV
The Hy-Pro HP21L4-3SFV is a 3µm dynafuzz stainless steel fiber hydraulic filter element. Seals are Fluorocarbon (Viton). Collapse pressure rating is 3000 psid (206.8 bard). 1 verified cross-reference is available from aftermarket manufacturers.
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What are the specifications of the Hy-Pro HP21L4-3SFV?
Technical specifications for the Hy-Pro HP21L4-3SFV filter element. Data sourced from manufacturer catalogs and verified against OEM documentation.
| Specification | Value |
|---|---|
| Performance | |
| Series | High Pressure In-Line Filter Element (High Collapse) |
| Media Type | Dynafuzz Stainless Steel Fiber |
| Max Operating Pressure | 4000 psi (275 bar) |
| Collapse Rating | 3000 psid (206.8 bard) |
| Micron Rating | 3µm |
| Dimensions | |
| Seal Material | Fluorocarbon (Viton) |
| Additional | |
| Filter Type | Cartridge Element |
| Element Length | 4" (102 mm) |
| Beta Ratio | β4[C] ≥ 4000 |
| Max Temperature | 225°F (107°C) |
Last verified: February 2026
What replaces the Hy-Pro HP21L4-3SFV?
1 verified replacement available from FilterMart
All cross-references are reviewed for dimensional and performance compatibility. Enter your info below to receive the full cross-reference report.
Application & Compatibility
The HY-PRO HP21L4-3SFV 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) seals provide compatibility with petroleum-based fluids, synthetic fluids, phosphate esters, and water-glycol mixtures.
The 3000 psid (206.8 bard) collapse rating indicates the maximum differential pressure this element can withstand during cold starts or bypass conditions without structural failure. Ensure your system's maximum differential pressure does not exceed this rating.
Frequently Asked Questions
What micron rating is the Hy-Pro HP21L4-3SFV?
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Is there a cross-reference for the Hy-Pro HP21L4-3SFV?
What is the collapse pressure rating of the Hy-Pro HP21L4-3SFV?
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