Generally, warranty for parts purchased on Parts.Cat.Com is 12 months from the invoice date as defined in the Caterpillar Limited Warranty. Parts Warranty covers defects in material and workmanship throughout the Warranty period once it has been installed. For complete Warranty detail contact your local Cat Dealer.
Unless otherwise noted by a non-returnable part () icon, most parts can be returned to your authorized Cat® dealer under their return policy.
Empire's Parts Return Policy http://goo.gl/bc5Meo
Advanced Efficiency Filters have increased contamination control without giving up capacity. They meet stricter emission requirements and are available as an upgrade for some Standard Efficiency Filters when better filtration is favorable.