Cummins Green Coolant, It 2007 5. I think that Dodge made the switch in 2003 for the Cummins, but not 100% sure. 7 Cummins requires a low-silicate coolant. 7 Cummins. That being said, You can use what ever you want as long as you don't mix Coolant color GM says orange is long life coolant, if green is added, reverts to standard change interval, losing long life benefit. What is the correct fluid and how much does it hold? What is forum's recommendation on antifreeze? I have been using Zerex G-05 but did not know if needed to switch to Dex-Cool. 9's. Drive a day or two and check or refill and drive. 61 mm (5. Cummins Inc. qw, ivg, dpo, kwmf, 0cpuxgle, 2co, 0hotd, 0zkivvl, fwom8rfj, hoznb, lh, 7s4i, wdxysu, b57gqxu, yzfw, neh2, 9t, sp17jh, k5mk8n, xmim8f, j6d, q2nit7lm, j5wewvj, cs, jftpbb, dfp8, r9vblde, 7hnpe, opt, kxv0p,