fuel For CAT Fuel Injection Line Kit for Caterpillar 3406 3406B 3406C 1917941 1917942 Posted on October 30, 2023 by admin 1 qty – #1 Fuel Line (OE # 7C3421, 4P9661, 1917941, 4P3921). 1 qty – #2 Fuel Line (OE # 7C3422, 4P9662, 1917942, 4P3922). Great Compatibility? Perfectly compatible with Caterpillar 3406, 3406B, 3406C, 980G, 980F, D8R, D8N, 826C, D400E. 3406b 3406c caterpillar fuel injection line
