engine
2018 Honda Civic — Spark plugs
⚙ 1.5L Turbo I4Applies to the Honda Civic gen 10 (2016–2021) , 1.5L Turbo I4. Part numbers and timing are the same across the generation.
What the shop charges
- Labor (1.5 hr × $142/hr)
- $213
- Parts
- $81
- Shop fees
- $30
- Shop total
- $324
What it costs you
- Parts (retail)
- $59
- You keep
- $265
Labor rate $142/hr re-derives every page when it changes.
- Difficulty 3/5
- Time1.5–2.5 hr
- Interval90,000 mi
- First-timer OKNo
Parts you'll need
Estimated DIY parts cost: $59
- Spark plug set (4) — Honda Civic (2.0L) Check fit & current price on Amazon
OEM 12290-5A2-A01
Cross-ref: NGK DILKAR7G11GS
2.0L naturally aspirated, all trims (2016-2021). 1.5L Turbo trims use a different plug (12290-59B-003, ILZKAR8H8S) — verify engine before ordering.
Price shown on this page is an estimate, not a live Amazon price.
Tools
- Metric socket set (1/2" drive) View on Amazon ↗
~$45 · reused across many jobs (estimate, not a live price)
- 1/2" drive torque wrench View on Amazon ↗
~$35 · reused across many jobs (estimate, not a live price)
- Spark plug socket (5/8" + 9/16") View on Amazon ↗
~$25 · reused across many jobs (estimate, not a live price)
- Spark plug gap gauge View on Amazon ↗
~$6 · reused across many jobs (estimate, not a live price)
Where people get stuck
- Coil boots stuck to plugs. Twist, don't yank. A seized boot tears if you pull straight up.
Video
▶ Watch the walkthrough ↗Specific to the 2.0L K20C2 engine, covers all 2016-2021 model years.