What spark plugs does a 2019 4Runner use?
DENSO SK16HR11. The gap is 0.043 in. (1.1 mm), and the book says not to adjust it.
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In-depth guide
2019 Toyota 4Runner
2019 4Runner spark plugs are DENSO SK16HR11, gap 0.043 in. The book says not to adjust the iridium gap. No firing order is printed.
| Item | Figure |
|---|---|
| Plug | DENSO SK16HR11. |
| Gap | 0.043 in. (1.1 mm). Use only iridium-tipped plugs. Do not adjust the gap. |
| Firing order and torque | Not printed. No sequence is drawn. |
| Interval | Not in this book. The schedule is the separate Scheduled Maintenance Guide. |
Source: owner's manual / last verified 2026-10-16 (2019 4Runner Owner's Manual, publication OM35B48U. The PDF file was created July 3, 2018. Ignition system. (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 4Runner Owner's Manual, publication OM35B48U. The PDF file was created July 3, 2018. Ignition system. (opens in a new tab), Toyota Motor Sales, U.S.A., Inc., published 2018-07-03, read 2026-10-16.
| Item | Figure | Where it comes from |
|---|---|---|
| Plug | DENSO SK16HR11. | Ignition system |
| Gap | 0.043 in. (1.1 mm). Use only iridium-tipped plugs. Do not adjust the gap. | Ignition system notice |
| Firing order and torque | Not printed. No sequence is drawn. | Ignition system, as read |
| Interval | Not in this book. The schedule is the separate Scheduled Maintenance Guide. | Maintenance requirements |
DENSO SK16HR11, iridium, gap 0.043 in. (1.1 mm).
The notice says not to adjust the spark plug gap.
This owner's manual does not print a plug interval, a torque, or a firing order.
Oil and the U.S. maintenance message are on the engine oil guide. That message is not a spark-plug interval.
No coil diagram is drawn.
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Part
DENSO SK16HR11 spark plug
Iridium-tipped. Gap 0.043 in. (1.1 mm). Do not adjust the gap.
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DENSO SK16HR11. The gap is 0.043 in. (1.1 mm), and the book says not to adjust it.
This owner's manual does not print one.
The mile interval is not in this book. It is in the separate Scheduled Maintenance Guide.
The maintenance checklist is on the site now. The email list is not sending yet, so this box will not store an address.
These guides cover the same kind of work. Their numbers belong to those vehicles, not to this one.
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