Napa 1866, direct aftermarket replacement. Donaldson P164904 is a hydraulic filter element. The same element is listed under 34 other numbers from Air Supply Co (ASC), Atlas Copco, Baldwin, Clark Michigan, Fai Filtri and others, all in the cross reference table below.
The element takes wear particles and dirt out of the hydraulic oil, which protects pumps, valves and cylinders from wear and sticking. Every element is checked against the part number before it ships, and every order is covered by our
30 day money back guarantee, worldwide delivery and
price beat guarantee.
Technical properties & cross references
Specifications
| Part Type |
Hydraulic Filter Element |
| Replaces |
Donaldson P164904 |
| Media |
Pleated filter media |
| Stat. HS-Code |
842129 |
| 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 43.71 |
17 Oct 2026 |
| FilterFinder Online |
USD 46.00 |
17 Oct 2026 |
| G&T Engine Parts |
USD 68.83 |
17 Oct 2026 |
| Hydrafil |
USD 105.95 |
17 Oct 2026 |
| Spare Part Mart |
USD 34.97 |
Today |
Our price of USD 34.97 is 20% to 67% less than these sellers.
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
Scheduled service
Change the element when the clogging indicator shows it is loaded, or at the hours in the machine's service plan, whichever comes first.
Breakdown spares
Keep one on the shelf so a loaded hydraulic filter element does not stop the machine while parts are ordered.
Workshop and fleet stock
Workshops looking after several machines can stock this one element under any of its 35 part numbers.
Frequently asked questions
Is this a genuine Donaldson P164904?
No. It is an aftermarket hydraulic filter element made to replace the Donaldson P164904. It is not made by or affiliated with Donaldson, and the part number is used only to show what it replaces.
Will it fit my machine?
It replaces the element numbered Donaldson P164904 and the other numbers in the cross reference table. Check the number on the old element or in the machine's parts list.
When should I change the element?
Change the element when the clogging indicator shows it is loaded, or at the hours in the machine's service plan, whichever comes first.
How do I fit it?
Stop the machine and let the pressure out of the circuit. Open the filter housing, take out the old element and clean the bowl. Fit the new element with its new O rings lightly oiled, close the housing to the maker's torque, then run the machine and check for leaks.