Spark plug replacement cost in 2026

Replacing all plugs as a set. Cost scales with cylinder count and engine access.

0.63 hrs book timeDIY: ModerateEvery 30,000–100,000 miles depending on plug type

Spark plug replacement cost by country

2026 estimated spark plug replacement cost by country
CountryPartsLabourTotal 2026
United States (USD)$25–$180$55–$495$80–$675
Canada (CAD)CA$35–CA$250CA$65–CA$555CA$100–CA$805
United Kingdom (GBP)£25–£170£35–£360£60–£530
Australia (AUD)A$40–A$290A$70–A$585A$110–A$875
France (EUR)€25–€190€40–€345€65–€535
United Arab Emirates (AED)AED 100–AED 700AED 80–AED 900AED 180–AED 1,600

Estimates are modelled from published independent-workshop hourly rate bands per country and the aftermarket-to-OE parts spread listed by the online retailers we link to. They are planning ranges, not quotes — dealer pricing, taxes and regional labour rates can fall outside these bands.

Buy the parts yourself: save $55$495

Shop labour is the bigger half of most quotes. If you fit it yourself, your cost is the parts line only — $25–$180 in the US.

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Cost by car brand

Parts and labour both scale with brand positioning. Pick your make for a tighter range.

Symptoms that lead to this job

  • Misfire codes (P0300–P0308)
  • Rough idle
  • Poor fuel economy
  • Hard starting

What a fair quote includes

  • Full set of plugs gapped to spec
  • Coil boot grease
  • Intake removal on V6/V8 rear banks

Red flags

  • Replacing one plug on a misfire
  • Copper plugs fitted where iridium is specified

How to pay less

  • Do the coils at the same time only if one has already failed

Frequently asked questions

How much does spark plug replacement cost in 2026?
In the US expect $80–$675 in total — $25–$180 in parts and $55–$495 in labour at $95–$165 per hour. Estimates are modelled from published independent-workshop hourly rate bands per country and the aftermarket-to-OE parts spread listed by the online retailers we link to. They are planning ranges, not quotes — dealer pricing, taxes and regional labour rates can fall outside these bands.
How long does spark plug replacement take?
Book time is roughly 0.6–3 hours. DIY difficulty: Moderate.
How often is spark plug replacement needed?
Every 30,000–100,000 miles depending on plug type
Can I save money by supplying my own parts?
Yes. Parts are $25–$180 of the job, and many workshops will fit customer-supplied parts for labour only. Confirm the warranty position first.

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