Genuine Caterpillar Filter 1G-8878 comes with IHD Strap wrench Cat Advanced Efficiency Hydraulic and Transmission Filters without giving up superior dirt-holding. Using improved filter media, our filters offer higher efficiency, improved capacity, and lower pressure drop characteristics. MANN NO.: WH980/3 FLEETGUARD NO.: HF6553 BALDWIN NO.: BT8851-MPG DONALDSON NO.: P164378 * All fitment filter part numbers are based on your engine serial number. * Please confirm with our team if you are unsure this filter will fit your engine.