Baldwin PT441, direct aftermarket replacement. This filter is a premium aftermarket hydraulic filter designed as a direct replacement for popular brands including Baldwin, Donaldson, Fleetguard, and WIX. It features impregnated paper media with a 10 µm filtration rating, effectively capturing fine contaminants to protect hydraulic systems. With an out-in flow direction, this filter ensures efficient particle retention. Its robust construction delivers reliable performance in demanding environments, offering a cost-effective alternative without compromising on quality.
Technical properties & cross references
Specifications
| Filtration Media |
Impregnated Paper 10 µm |
| Media type |
Impregnated Paper |
| Filtration Rating |
10 µm |
| Flow direction |
Out-In |
| Total Height |
277 mm (10 29/32") |
| Largest Inner Diameter |
25 mm (31/32") |
| Largest Outer Diameter |
64 mm (2 17/32") |
| 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 25.78 |
16 Oct 2026 |
| FilterFinder Online |
USD 30.00 |
11 Oct 2026 |
| G&T Engine Parts |
USD 62.59 |
11 Oct 2026 |
| Spare Part Mart |
USD 20.62 |
Today |
Our price of USD 20.62 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
High-Contaminant Environments
In construction and mining sites where dust and debris are prevalent, the 10 µm impregnated paper media provides excellent protection against abrasive particles, extending hydraulic component life.
Continuous-Duty Operations
For equipment running long shifts, this filter maintains consistent flow and filtration efficiency, reducing the risk of system clogging and unplanned downtime.
Fleet Maintenance Consolidation
With cross-reference compatibility across multiple brands, fleet managers can standardize on one filter part number, simplifying inventory management and reducing stock complexity.
Cold-Weather Startups
The impregnated paper media resists moisture absorption, preventing filter swelling and ensuring reliable performance even in cold, damp conditions.
Frequently asked questions
How do I confirm this filter fits my equipment?
Check your equipment's original filter part number against the cross-reference list for brands like Baldwin, Donaldson, Fleetguard, and WIX. If your filter number is listed, this filter is a direct replacement.
What is the filtration rating and media type?
This filter uses impregnated paper media with a 10 µm filtration rating, suitable for capturing fine particles in hydraulic systems.
What are the dimensions and thread size?
The total height is 277 mm, largest outer diameter is 64 mm, and largest inner diameter is 25 mm. Thread specifics are not provided; verify fitment with your application.
Is this an OEM or aftermarket part?
This is an aftermarket replacement built to the original dimensions and ratings. It is not a genuine OEM part but offers equivalent performance at a lower cost.
How do I install this filter?
Installation follows the usual procedure for a replaceable hydraulic filter. Ensure the mounting surface is clean, lubricate the gasket, tighten by hand until the gasket contacts, then rotate an additional 3/4 turn. Do not overtighten.