Replacement for Hydac 2059431 Spin-On Filter
$43.88
Engineered filtration that provides OEM reliability—at an excellent value.
Proudly Made in America with ISO certified manufacturing, SONA’s direct replacement for the Hydac 2059431 spin-on filter offers trusted performance and engineered quality, all while fitting seamlessly into your existing system.
Free Shipping is available on orders of $500 or more for this product.
There is a minimum quantity of two per order.
LIVE UPS or LTL rates calculated on the checkout page
Will this fit my housing without modification?
Yes. Dimensionally identical to the Hydac 2059431 — same OD, length, flow direction, and double open-end configuration. Drops straight in with no modification required.
Does using an aftermarket filter void my equipment warranty?
No. Under the Magnuson-Moss Warranty Act, manufacturers cannot void your warranty simply because you used an aftermarket part. SONA's elements meet or exceed performance criteria — your warranty is protected.
What is the difference between absolute (beta rated) and nominal micron rating?
A nominal rating captures roughly 50–90% of particles at the stated size — and varies between manufacturers. An absolute rating means 99.5%+ capture efficiency, verified by ISO 16889 multi-pass testing of the media. This filter is 5 Micron; B5 = 200, B7.7 = 1000.
Is the filtration performance the same as OEM filters?
Yes — independently verified. SONA's 5 Micron; B5 = 200, B7.7 = 1000 microglass media is tested to ISO 16889 with a Beta ratio of BX = 200, matching or exceeding performance in both efficiency and dirt-holding capacity.
How often should I change my hydraulic filter element?
Change the Hydac 2059431 element when differential pressure reaches 25 PSID, or at your OEM service interval — typically every 500–2,000 operating hours depending on system load and contamination levels. Do not wait until the bypass valve activates.
What hydraulic fluids is this filter compatible with?
Compatible with petroleum-based hydraulic oils, HH, HL, HM, or HV fluids, and most synthetic lubricants. The Viton seal provides broad chemical compatibility. Confirm with your fluid supplier for non-standard applications. It is not compatible with Skydrol.
Have a question? Send a note.
Full Specs
| O.D. | 3.75" |
|---|---|
| I.D. Top | 1-1/2" UNF |
| I.D. Bottom | NA |
| Length Overall | 7.88" |
| Construction Type | 26 GPM, Microglass |
| Efficiency | 5 Micron; B5 = 200, B7.7 = 1000 |
| Gasket Material | Buna |
| Wire Support | Yes |
| Max Operating Pressure | 145 Collapse, 261 Burst |
| Max Temp | 248 Degress F |
| Weight Each | 2.5 |
| Carton Qty | 1 |
| Condition | New |
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