Caterpillar 3406B Injection Pump Rebuild & Calibration Service This is a repair and return service only. You will send your existing pump to us to be rebuilt. For us to rebuild your pump, it must be a complete and rebuildable core. If the pump is missing parts, damaged beyond repair, or seized, additional charges will apply. Common Cross References: 7W3906, 7E5888, 7E5887, 1086630, 108-6630, 2W3413, 4P series (various), 1086634, 7C6650, 20R5145 Common Applications: Heavy-Duty Trucks & Highway Equipment: Caterpillar 3406B-powered semi trucks (e.g., Freightliner, Peterbilt, Kenworth, International) Long-haul tractors (425+ HP versions) Construction & Earthmoving: Excavators (e.g., 245, 245B) Wheel Loaders Track Loaders Bulldozers / Dozers Motor Graders (e.g., 16G) Scrapers