The
Donaldson P763558 is a 25 micron inorganic microfibers spin-on oil filter used in high-pressure hydraulic circuits, dusty or contaminated environments and fleet maintenance across multiple equipment brands. It has a 1 thread, 94.7 mm (3 23/32") outer diameter, 98 mm (3 27/32") body, rated to 35 bar (508 PSI) working pressure, and threads straight onto the same mounting head with no modification. It is a direct dimensional and performance match for the original Donaldson P763558 and cross-references 8 other OEM part numbers, so one filter covers multiple brands and machines. Supplied new and backed by our
30-day money-back guarantee,
price-beat guarantee and worldwide shipping.
Technical properties & cross references
Specifications
| Burst Pressure |
70 bar (1015 PSI) |
| Element Collapse pressure |
20 bar (290 PSI) |
| Filtration Media |
Inorganic Microfibers 25 µm |
| Media type |
Inorganic Microfibers |
| Filtration Rating |
25 µm |
| Total Height |
98 mm (3 27/32") |
| Thread |
UNF 1.3/8 inch Female Bottom 12 |
| Type |
UNF |
| Thread Size |
1.3/8 inch |
| Orientation |
Female |
| Position |
Bottom |
| Working Pressure |
35 bar (508 PSI) |
| Outer Diameter |
94.7 mm (3 23/32") |
| Stat. HS-Code |
84149000 |
| Country of Manufacture |
China |
Price beat guarantee
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller |
Price |
Checked |
| Oxfil |
USD 30.26 |
16 Oct 2026 |
| Spare Part Mart |
USD 24.21 |
Today |
Our price of USD 24.21 is approximately 20% less than this seller.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
Use cases & applications
High-pressure hydraulic circuits
Designed for systems operating up to 35 bar working pressure, this filter withstands pressure spikes with its 70 bar burst rating. It reliably protects hydraulic pumps and valves from particle damage in demanding applications.
Dusty or contaminated environments
The 25 µm inorganic microfibre media traps fine airborne and internally generated debris before it can score bores or clog valves. This keeps oil cleaner for longer, reducing wear on critical components.
Fleet maintenance across multiple equipment brands
With cross-references to six major filter brands, a single SPM part covers many machines. This simplifies stock holding and ordering, cutting inventory costs without compromising on filtration quality.
Scheduled service intervals
The robust construction and consistent filtration performance allow confident extended drain intervals where the equipment manufacturer permits. Quick spin-on replacement minimises machine downtime during routine servicing.
Frequently asked questions
Will this filter fit my machine?
This filter is a direct replacement for oil filters sold under the Bondioli & Pavesi, Donaldson, Fai Filtri, Mast Explorer, Mc Cormick, and Oxfil brands. It fits any machine that uses an element with the same thread and canister dimensions. Always verify the thread size (UNF 1.3/8 inch female bottom), canister height (98 mm) and outer diameter (94.7 mm) against your existing filter.
What filtration rating does this oil filter provide?
The filter uses inorganic microfibre media rated at 25 µm. This captures fine particles that can damage hydraulic components while maintaining high oil flow and low pressure drop for efficient operation.
What are the thread size and dimensions so I can confirm fit?
The canister has a UNF 1.3/8 inch female bottom thread, a total height of 98 mm, and an outer diameter of 94.7 mm. These dimensions are critical for a leak-free seal. Check your housing clearance and thread engagement before installing.
How does this aftermarket filter compare to the branded version?
As an aftermarket part, this filter provides equivalent filtration performance to the branded versions at a fraction of the cost. You avoid paying for the brand name while receiving the same functionality and reliability.
How do I install this oil filter correctly?
Installation follows standard spin-on filter practice. Pre-fill the new filter with clean oil, lubricate the gasket, and spin on until the gasket contacts the base, then tighten an additional three-quarters of a turn by hand. Do not use a tool to overtighten.