Replacement for Filtermart 321378 Hydraulic Filter Element
$133.90 Free Shipping to the 48 contiguous U.S. states.
Direct replacement for Filtermart 321378 hydraulic filter in form, fit, and function. Made in America with ISO 9001:2015 Certified manufacturing for assured quality. Optimized filter media is used for fine filtration, long life, and high dirt-holding capacity.
- 4.49″ OD x 2.7″ ID Top x 16.22″ Length overall
- 5 Micron; B5 = 200, B7.7 = 1000 per ISO 16889
- 435 PSID Collapse
- Replaces Filtermart 321378 hydraulic filter in form, fit, and function. Scroll down for additional specs
Part numbers and names are used for cross reference only. Part numbers indicated as replacements are not manufactured or affiliated with the OEM or Brand listed.
43.5 PSI Bypass Valve
43.5 PSI Bypass Valve, Microglass, Single Open End
5 Micron; B5 = 200, B7.7 = 1000
|Max Operating Pressure|
435 PSID Collapse
248 Degress F
Our Filtermart 321378 Replacement Filter
Our Filtermart 321378 replacement hydraulic filter is a guaranteed direct replacement in form, fit, and function. This means the filter will fit and you should expect performance to be equal to or greater than the OEM filter. Made in America.
Filtration Media for the Filtermart 321378 direct interchange
Our filter media is backed by ISO 16889 multi-pass testing and other ISO/SAE test protocols and the filter is produced in an ISO Certified manufacturing facility. An ISO Certified manufacturing facility is all about quality control, consistency, responsibility, and being true to the design. Optimized media is used for fine filtration, just like the Filtermart 321378 hydraulic filter to be replaced. Our filters use the optimal amount of media and pleats to ensure high dirt-holding capacity. The correct number and design of pleats in the element will give you the lowest initial pressure drop. Therefore the filter will take longer to reach its change-out pressure drop which is usually 25 PSID.
Micron Rating for the Filtermart 321378 cross
This Filtermart 321378 hydraulic filter replacement element is beta-rated. The filter performance is outstanding.
- 5 Micron; B5 = 200, B7.7 = 1000
Filter Collapse Pressure for the Filtermart 321378 cross reference
A filter collapse pressure of 435 PSID Collapse means that if the filter is completely clogged and the build up of pressure reaches or surpasses 435 PSID Collapse the filter may collapse and allow contamination downstream. Please use a satisfactory safety factor for the filter.
This filter is compatible with the following fluids but pressure drop will vary depending on viscosity and temperature:
- Hydraulic Fluid and Machining Fluids
- Diesel and other fuels
- Lubricating Oils and Synthetic Lubricants
- Turbine and Compressor Lube Oils … And many more fluids
Visit the links below for more helpful information.
Our hydraulic filter is indicated as a replacement for Filtermart 321378 and is not manufactured by or affiliated with the OEM or Brand listed. Part numbers and names are used for cross reference only. The element may vary from the image displayed on the left.