O-Ring, 0.21 in C/S x 3.975 in ID5.33 mm C/S x 100.97 mm ID, HNBR 72, Series -345
- Part number: 321278
- OE MFG: CATERPILLAR
- OEM Reference: 1090077
- Cross Reference: CATERPILLAR : 1090077, 109-0077, 3L3320, 4F7387; OTHER : AS568A-345 | INTERSTATE-MCBEE : M-1090077, M-109-0077, M-3L3320, M-4F7387; PAI : 321278OEM
- Product Class: Water Pumps & Parts, Pulleys
