Manufacturing tolerances and specifications often vary between manufacturers. You, as the user and/or purchaser, are solely responsible for reviewing the specifications listed above, making the final selection of the product, and assuring that all performance, maintenance, safety, and warning requirements of your application are met. Our filtration products are not suitable for Aviation applications, nor are they compatible with Skydrol® fluid.
Registered Trademarks of indicated manufacturers are the property of those manufacturers and it is not our intent to imply that Source One N.A. is authorized or licensed to manufacture products under such manufacturer’s name or trademark. Names and part numbers used here are solely for reference.
Replacement for Caterpillar 3I1721 Hydraulic Filter Element 
Replacement for Separation Technologies ST6725 Spin-On Filter 
Replacement for Caterpillar 3I0567 Medium-Pressure Spin-On Filter 