What spark plugs does a 2019 Ram 1500 use?
The DT book says Mopar spark plugs. No gap or part number is printed.
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In-depth guide
2019 Ram 1500
2019 Ram 1500 DT spark plugs are Mopar spark plugs. The fluids table does not print a gap, a torque, or a part number.
| Item | Figure |
|---|---|
| Spark plugs | Mopar spark plugs. No gap or part number is printed. |
| 3.6L fuel | 87 octane, 0 to 15 percent ethanol. Do not use E85. |
| 5.7L fuel | 89 octane recommended, 87 acceptable, 0 to 15 percent ethanol. Do not use E85. |
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 |
|---|---|---|
| Spark plugs | Mopar spark plugs. No gap or part number is printed. | Fluids and lubricants, engine |
| 3.6L fuel | 87 octane, 0 to 15 percent ethanol. Do not use E85. | Fuel selection |
| 5.7L fuel | 89 octane recommended, 87 acceptable, 0 to 15 percent ethanol. Do not use E85. | Fuel selection |
That is the sentence. No number is printed.
None was printed.
87 on the 3.6L. 89 recommended on the 5.7L. No E85.
Fuel for the 3.6L is 87 octane, 0 to 15 percent ethanol, not E85. The 5.7L recommends 89 octane and accepts 87, also 0 to 15 percent ethanol, not E85. Those are fuel rows, not plug gaps. Oil is on the oil guide.
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 spark plugs
The recommendation in the DT engine table. No gap is printed.
2019 Ram 1500 DT spark plugs (opens in a new tab)Search Amazon.com (affiliate link) (opens in a new tab)As an Amazon Associate I earn from qualifying purchases.
The DT book says Mopar spark plugs. No gap or part number is printed.
3.6L: 87 octane. 5.7L: 89 recommended, 87 acceptable. Neither is E85.
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These guides cover the same kind of work. Their numbers belong to those vehicles, not to this one.
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