CUP121220

O-Ring, 0.103 in C/S x 1.174 in ID 2.62 mm C/S x 29.82 mm ID, Viton 75, Black Series # -123 Part number: 121220 OE MFG: CUMMINS OEM Reference: 3990084 Cross Reference: CATERPILLAR : 0938888, 093-8888, 2432646, 243-2646, 7X4744, 93-8888; CUMMINS : 145533, 3973512, 3990084; FULLER : 15569; MACK : 3088-15569; OTHER : AS568A-123 | INTERSTATE-MCBEE : M-145533, M-3973512, M-3990084, M-7X4744; PAI : 121220OEM, 121363, 121363OEM Product Class: Valve Covers & Gaskets, Oil Fill Parts