4499600 CATERPILLAR – 0445120522 Bosch CR injector Compatible part number: 0445120402 / 0 445 120 402 0445120403 / 0 445 120 403 OEM numbers: CATERPILLAR 4499600 / 449-9600 PERKINS T417806 / T4 17806 Applications: CATERPILLAR generator sets C7.1 D125; D135; D150; D175 PERKINS generator sets