Replacement for Allison Transmission 25012761 Hydraulic Filter Element
Original price was: $71.71.$55.14Current price is: $55.14.
Guaranteed direct replacement in form, fit, and function. Made in the USA with ISO Certified manufacturing for assured quality. Microlglass media used for fine filtration, long life,and high dirt-holding capacity. Our filters are backed by ISO 16889 multi-pass testing and other ISO/SAE test protocols, so you are assured this filter will functon as well as the OEM filter.
This filter element may be used for filtering:
Hydraulic Fluid and Machining Fluids
Water Glycols and Coolants
Diesel, Gasoline and other fuels
Lubricating Oils, Synthetic Lubricants, and Process Fluids
Turbine and Compressor Lube Oils
And many more fluids
Part numbers indicated as replacements are not manufactured or affiliated with the OEM or Brand listed. Part numbers and names are used for cross reference only. Element may vary from the image displayed on the left.
LIVE UPS or LTL rates calculated on the checkout page
Will this fit my housing without modification?
Yes. Dimensionally identical to the Allison Transmission 25012761 — 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 Beta 4.5 = 1000.
Is the filtration performance the same as OEM filters?
Yes — independently verified. SONA's Beta 4.5 = 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 Allison Transmission 25012761 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. | 3.07" |
|---|---|
| I.D. Top | 1.70" |
| I.D. Bottom | NA |
| Length Overall | 12.95" |
| Construction Type | Microglass, Single Open End |
| Efficiency | Beta 4.5 = 1000 |
| Gasket Material | Viton |
| Gasket Type | Internal O-Ring |
| End Cap Material | Tin Plate Steel |
| Core | Tin-Plated Louvered |
| Wire Mesh Support? | Yes |
| Bypass Valve? | No |
| Jacket? | No |
| Handle? | No |
| Change-Out PSID | 25 PSID |
| Max Operating Pressure | 305 PSID Collapse |
| Max Temp | 248 Degress F |
| Weight Each | 4 |
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