How much coolant does a 2019 Ram 1500 take?
DT book: 3.6L 13.7 qt, 5.7L 18.3 qt. 3.6L MGU, if equipped, is 1.8 qt.
BaySheet
Opening the sheet…
BaySheet
Opening the sheet…
In-depth guide
2019 Ram 1500
2019 Ram 1500 DT coolant is 13.7 qt on the 3.6L and 18.3 qt on the 5.7L. The fluid is Mopar 10 Year/150,000 Mile OAT meeting MS.90032.
| Item | Figure |
|---|---|
| 3.6L | 13.7 qt (13 L). Mopar 10 Year/150,000 Mile Formula meeting MS.90032. |
| 3.6L motor generator unit | 1.8 qt (1.7 L). Same MS.90032 coolant. |
| 5.7L 1500 | 18.3 qt (17.3 L). Same MS.90032 coolant. |
| Do not mix | Do not mix OAT with HOAT or any globally compatible coolant. Emergency non-OAT fill must be drained, flushed, and refilled with MS.90032 by a dealer as soon as possible. |
Source: owner's manual / last verified 2026-10-16 (2019 Ram 1500 owner's manual, 19_DT_OM_EN_USC, 7th Edition V1, copyright 2021. Vehicles sold in Canada substitute FCA Canada Inc. for FCA US LLC. This is the DT 1500, not the Classic. (opens in a new tab)).
Difficulty, time, and cost are estimates when this guide gives them. Torque is a cited figure, or it is left off.
Main source: 2019 Ram 1500 owner's manual, 19_DT_OM_EN_USC, 7th Edition V1, copyright 2021. Vehicles sold in Canada substitute FCA Canada Inc. for FCA US LLC. This is the DT 1500, not the Classic. (opens in a new tab), FCA US LLC, published 2021-01-01, read 2026-10-16.
| Item | Figure | Where it comes from |
|---|---|---|
| 3.6L | 13.7 qt (13 L). Mopar 10 Year/150,000 Mile Formula meeting MS.90032. | Fluid capacities |
| 3.6L motor generator unit | 1.8 qt (1.7 L). Same MS.90032 coolant. | Fluid capacities |
| 5.7L 1500 | 18.3 qt (17.3 L). Same MS.90032 coolant. | Fluid capacities |
| Do not mix | Do not mix OAT with HOAT or any globally compatible coolant. Emergency non-OAT fill must be drained, flushed, and refilled with MS.90032 by a dealer as soon as possible. | Coolant caution |
3.6L is 13.7 qt. 5.7L is 18.3 qt.
Do not mix it with HOAT or a globally compatible coolant.
1.8 qt on the 3.6L, if that unit is equipped.
The 3.6L motor-generator unit, if equipped, is a separate 1.8 qt of the same coolant. Oil quarts stay on the oil guide. This is the DT manual, not the 2016 DS book. Vehicles sold in Canada substitute FCA Canada Inc. for FCA US LLC.
Outbound links only. BaySheet does not sell parts. Confirm fitment on the retailer page. Amazon links are searches for a real part name plus this vehicle. Tool rows do not get a product search. The search is not a part number.
Part
Mopar 10 Year/150,000 Mile OAT coolant
MS.90032. 13.7 qt on the 3.6L, or 18.3 qt on the 5.7L.
2019 Ram 1500 DT coolant (opens in a new tab)Search Amazon.com (affiliate link) (opens in a new tab)As an Amazon Associate I earn from qualifying purchases.
DT book: 3.6L 13.7 qt, 5.7L 18.3 qt. 3.6L MGU, if equipped, is 1.8 qt.
Mopar 10 Year/150,000 Mile OAT meeting MS.90032.
The maintenance checklist is on the site now. The email list is not sending yet, so this box will not store an address.
Same repair, different model year. Use the page that matches the truck or car in the driveway. A figure on one year is not a figure for the next.
These guides cover the same kind of work. Their numbers belong to those vehicles, not to this one.
Report an error to jordancoates@gmail.com.