2018 5.7 Hemi water pump replacement

I believe your 2018 Jeep uses OAT coolant. Do not mix with HOAT as “jelling” will happen. It’s best to flush and fill with all new coolant, especially with these newer cars. I use the Mopar concentrate OAT.

Mopar Replacement 68163848AB Mopar Replacement OAT 10-Year/150,000 Mile Concentrate Antifreeze Coolant | Summit Racing