PAI Industries 609906X Reman Fuel Injector Assembly │ Replaces Detroit Diesel R5234940 id_1_3.25 It replaces Caterpillar 106-3973 and

It replaces Caterpillar 106-3973 and pairs with the AF25262 primary on Cat excavators

Cummins: 3691282

use WF10515

not a classical V-belt — the two are not interchangeable

CXU (Pinnacle) on-highway tractors

PAI Industries 609906X Reman Fuel Injector Assembly │ Replaces Detroit Diesel R5234940 id_1_3.25 It replaces Caterpillar 106-3973 andRemanufactured EUI fuel injector supplied as PAI 609906X exchange unit for Detroit Diesel Series 60 11. 1L 12. 7L engines, replacing OEM R5234940 5234940. Each unit is rebuilt with calibrated flow, leak down, and timing testing to restore OEM equivalent atomization on DDEC II DDEC III electronics. Signs You Need a New Series 60 Fuel Injector Rough idle, misfires, or single cylinder cutout Excessive black smoke or visible loss of power Decreased fuel