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2019 Nissan Sentra
2019 Sentra spark plug numbers and nominal gaps for the MRA8DE and MR16DDT. Both engines list firing order 1-3-4-2.
Difficulty, time, and cost are estimates when this guide gives them. Torque is a cited figure, or it is left off.
Main source: 2019 Sentra Owner's Manual, engine specifications (opens in a new tab), Nissan North America, Inc., published 2019-01-01, read 2026-10-15.
Numbers on this page come from the cited source. Match the engine before you use a capacity or a torque. Do not work under a vehicle held only by a jack.
Nissan dealer
The maintenance schedule says to install plugs of the type originally equipped. The specifications name the plugs. No socket size is printed.
| Item | Figure | Where it comes from |
|---|---|---|
| MRA8DE plugs | PLZKAR6A-11 except California. DILKAR6A-11 for California models. Nominal gap 0.043 in (1.1 mm). | Engine specifications |
| MR16DDT plug | DILKAR7E9HS. Nominal gap 0.035 in (0.9 mm). | Engine specifications |
| Firing order | 1-3-4-2 on the MRA8DE and on the MR16DDT. | Engine specifications |
MRA8DE
MR16DDT
Firing sequence from the 2019 Sentra owner's manual engine specifications. Sequence only.
Illustration, not to scale; confirm with your owner's manual. This is the firing sequence only. It does not show where each cylinder sits on the engine.
Source for this drawing: 2019 Nissan Sentra Owner's Manual, engine specifications, models MRA8DE and MR16DDT.
MRA8DE cars outside California list PLZKAR6A-11. California MRA8DE cars list DILKAR6A-11. The MR16DDT lists DILKAR7E9HS.
The MRA8DE column prints 0.043 in (1.1 mm). The MR16DDT column prints 0.035 in (0.9 mm).
Both engines list firing order 1-3-4-2. The drawing repeats that order and does not place the cylinders on the engine.
The maintenance table says iridium or platinum-tipped plugs are replaced every 105,000 miles (168,000 km), with a note for the MRA8DE. That interval is a schedule item, not a gap adjustment.
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Nissan dealer
The maintenance schedule says to install plugs of the type originally equipped. The specifications name the plugs. No socket size is printed.
2019 Sentra engine specifications (opens in a new tab)Search Amazon.com (affiliate link) (opens in a new tab)
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These guides cover the same kind of work. Their numbers belong to those vehicles, not to this one.