Donaldson P551056 Fuel Filter Water Separator, Spin-On Twist&Drain, 10 Micron, 4.22" OD
3 in stock
Protect your diesel fuel system with the Donaldson P551056 Fuel Filter Water Separator. This Twist&Drain spin-on filter is designed to separate water and remove particulate contamination from fuel before it reaches sensitive fuel-system components.
The P551056 uses Donaldson filtration technology with 99% efficiency at 10 microns according to ISO 19438 and is rated for a maximum recommended flow rate of 60 GPH (230 LPH). Its spin-on configuration allows for straightforward filter replacement and helps minimize service downtime.
The filter measures approximately 5.79 inches in length and 4.22 inches in outside diameter. It uses a 1"-14 UN thread and is intended for a wide range of diesel fuel applications.
| Specification | Details |
|---|---|
| Brand | Donaldson |
| Part Number | P551056 |
| Product Type | Fuel Filter / Water Separator |
| Filter Style | Spin-On |
| Series | Twist&Drain |
| Filtration Rating | 10 Micron |
| Efficiency | 99% @ 10 Micron |
| Test Standard | ISO 19438 |
| Maximum Recommended Flow | 60 GPH / 230 LPH |
| Outside Diameter | 4.22" |
| Length | 5.79" |
| Thread Size | 1"-14 UN |
| Gasket ID | 3.17" |
| Gasket OD | 3.48" |
| Media | Cellulose, Meltblown |
| Water Separation Efficiency | 95% |
| Marine Application | No |
Specifications are based on Donaldson's product guide and available product data.
The Donaldson P551056 cross-references to several manufacturer and aftermarket numbers, including:
Cross-reference numbers are provided for identification purposes. Always verify fitment and application before ordering.
