Donaldson
Donaldson P161961
Industrial filter element
Donaldson P161961 specifications
The Donaldson P161961 is a 20µm microglass filter element. It measures 6" OD x 3.43" ID x 18" long. Filtration efficiency is rated at 1000 per ISO 16889. Seals are BUNA, rated for -13°F to 250°F. 1 verified cross-reference is available from aftermarket manufacturers. Specifications verified. Last reviewed: May 2026
Physical fit
- Outer Diameter (O.D.)
- 6"OEM-published
- Inner Diameter (I.D.)
- 3.43"OEM-published
- Overall Length
- 18"OEM-published
- Micron Rating
- 20µmOEM-published
- Seal Material
- BUNAOEM-published
- Connection / Thread
- Not yet verified from an OEM source
Performance: Donaldson published values
These are Donaldson's own published numbers. Performance specs differ by brand and are never inherited across cross-references.
- Efficiency (ISO 16889)
- 1000
- Media Type
- MICROGLASS
- Flow Direction
- OUTSIDE-IN
- Operating Temperature
- -13°F to 250°F
What replaces the Donaldson P161961?
1 published cross-reference on file. Select to expand.
What replaces the Donaldson P161961?
1 published cross-reference on file. Select to expand.
A cross-reference confirms dimensional fit and micron rating, not performance equivalence. Beta ratio, collapse rating, media, and service life can differ between brands.
Published cross-references
| Part Number | Manufacturer | Match |
|---|---|---|
| HPFKL18-25MB | Hy-Pro | Verified |
Application & Compatibility
The DONALDSON P161961 is designed for use in hydraulic and lubrication filtration systems. With a 20µm rating, this element is suitable for pump and component protection in industrial hydraulic circuits. BUNA seals provide compatibility with standard petroleum-based fluids and mineral oils.
Frequently Asked Questions
What micron rating is the Donaldson P161961?
What are the dimensions of the Donaldson P161961?
What seal material does the Donaldson P161961 use?
Is there a cross-reference for the Donaldson P161961?
What is the operating temperature range for the Donaldson P161961?
How this entry is verified
Every specification on this page names its source: manufacturer documents first, distributor catalogs second, decoded part-number patterns labeled as such. When a value has not been verified from an OEM source, the cell says so. Cross-references are fit claims, never performance claims.
Request a quote for the Donaldson P161961
Tell us where to send it and we'll get you pricing and availability within 24 hours. Leave a number and we'll call you back within the hour.
Verified Cross-References
520,000+ verified cross-references on file
Fast Response
Quotes and answers within 24 hours
Expert Support
Real filtration specialists, not call centers