fuel 6 Pcs 3406 Fuel Injection Line Kit 1917941 1917942 1917943 for CAT Caterpillar Posted on January 13, 2024 by admin 1 qty – #1 Fuel Line (OE # 7C3421, 4P9661, 1917941, 4P3921). 1 qty – #2 Fuel Line (OE # 7C3422, 4P9662, 1917942, 4P3922). 1 qty – #3 Fuel Line (OE # 7C3423, 4P9663, 1917943, 4P3923). Perfect Compatibility? This item fits a wide range of Caterpillar engines. caterpillar fuel injection line
