O-Ring, 0.013 in C/S x 4.237 in ID2.62 mm C/S x 107.62 mm ID, EPDM 70, Peroxide Cured/Black Series -156
- Part number: 321388
- OE MFG: CATERPILLAR
- OEM Reference: 9X7549
- Cross Reference: CATERPILLAR : 9X7549; OTHER : AS568A-156 | INTERSTATE-MCBEE : M-9X7549
- Product Class: Engine Blocks & Block Parts (except liners)
