CAT 320 320 GC 320 GX 323 GX 323 325 326

479-8989 (primary level) and 479-8991 (safety level) are the CAT UHE series cellular air filter kits for Caterpillar (CAT) 320/320GC/323 excavators and C4.4/C7.1 engines. They adopt Ultra High-Efficiency cellular filtration technology, with an ISO 5011 filtration efficiency of 99.99%. They are OE-level original factory components and are suitable for dusty working conditions.