engine
2018 Honda Civic — Spark plugs
Applies to the Honda Civic gen 10 (2016–2021). 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.
- Difficulty3/5
- Time1.5–2.5 hr
- Interval90,000 mi
- First-timer OKNo
Parts
- Iridium spark plug set — Honda Civic View on Amazon ↗
OEM CIVIC-SP01
Cross-ref: Aftermarket CIVICSP01
All trims
Tools
- Metric socket set (1/2" drive) View on Amazon ↗
~$65 · reused across many jobs (estimate, not a live price)
- 1/2" drive torque wrench View on Amazon ↗
~$50 · reused across many jobs (estimate, not a live price)
- Spark plug socket (5/8" + 9/16") View on Amazon ↗
~$10 · reused across many jobs (estimate, not a live price)
- Spark plug gap gauge View on Amazon ↗
~$7 · reused across many jobs (estimate, not a live price)
- Socket extension bar set View on Amazon ↗
~$12 · 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 ↗ · 22 min · jump to 2:40
Torque spec called out on screen.