Spark Plug Replacement Cost
Spark Plug Replacement typically costs $118–$755 across economy, mainstream and premium vehicles, including reference parts and labor. The correct plug type and engine access affect the job.
| Vehicle type | Parts | Labor hours | Total |
|---|---|---|---|
| economy | $30–$132 | 0.8–2.12 | $118–$524 |
| mainstream | $64–$166 | 1.24–2.56 | $200–$640 |
| premium | $98–$200 | 1.68–3 | $283–$755 |
Labor uses the configured national band of $110–$185/hour. Vehicle windows narrow both reference parts and hours; pickup, full-size SUV and van access can require more labor. This table is a reference estimate, not a complete quote analysis.
Last reviewed October 28, 2026 · Content updated October 28, 2026
What’s included
- Specified plugs, installation procedure and access work identified in the quote
What’s often done at the same time
These jobs can share access on some vehicles. Ask which removal steps overlap; related work is not automatically necessary.
Signs you need it
- Service due by the schedule or plug wear supported by diagnosis
How shops can pad this quote
- Coils automatically replaced with plugs
- double billing intake removal shared by another repair
Questions to ask the shop
- Which plug specification is required, and what access work is included?
- What findings make this necessary now rather than something to monitor?
- Which parts, fluids and access labor are already included in the estimate?
Frequently asked questions
Which plug specification is required, and what access work is included?
The correct plug type and engine access affect the job. Compare quotes for the same specification, not just plug count.
What should this estimate include?
Specified plugs, installation procedure and access work identified in the quote
What evidence supports this repair?
Service due by the schedule or plug wear supported by diagnosis
Which charges deserve a second look?
Coils automatically replaced with plugs; double billing intake removal shared by another repair
Related price guides
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AI-generated estimate based on typical labor times and parts prices. Actual prices vary by shop, region, vehicle condition and parts used. This is not a mechanic inspection. Read the disclaimer.