Donaldson
Donaldson P550451
Industrial filter element
Donaldson P550451 specifications
The Donaldson P550451 is a 40µm filter element. It measures 3.23" OD x 1.5" ID x 7.87" long. 12 verified cross-references are available from aftermarket manufacturers. Specifications verified. Last reviewed: May 2026
Physical fit
- Outer Diameter (O.D.)
- 3.23"OEM-published
- Inner Diameter (I.D.)
- 1.5"OEM-published
- Overall Length
- 7.87"OEM-published
- Micron Rating
- 40µmOEM-published
- Seal Material
- Not yet verified from an OEM source
- Connection / Thread
- Not yet verified from an OEM source
About the Donaldson P550451
LUBE FILTER, CARTRIDGE
What replaces the Donaldson P550451?
12 published cross-references on file. Select to expand.
What replaces the Donaldson P550451?
12 published cross-references 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 |
|---|---|---|
| LEF5166 | — | Verified |
| 2931093 | — | Verified |
| 3045809 | — | Verified |
| 2240110 | — | Verified |
| 50055040096 | — | Verified |
| 03045809 | — | Verified |
| 57414030 | — | Verified |
| 5001846993 | — | Verified |
| 080V51055046096 | — | Verified |
| LF550451 | — | Verified |
| 07W115436 | — | Verified |
| 860150652 | — | Verified |
Application & Compatibility
The DONALDSON P550451 is designed for use in industrial filtration applications. Rated at 40µm.
Frequently Asked Questions
What micron rating is the Donaldson P550451?
What are the dimensions of the Donaldson P550451?
Is there a cross-reference for the Donaldson P550451?
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.
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