Cadillac spark plug replacement cost

Replacing all plugs as a set. Cost scales with cylinder count and engine access. Figures below are adjusted for Cadillac's premium parts and labour tier.

Cadillac spark plug replacement price by country

2026 estimated spark plug replacement cost by country
CountryPartsLabourTotal 2026
United States (USD)$35–$245$65–$580$100–$825
Canada (CAD)CA$45–CA$340CA$80–CA$650CA$125–CA$990
United Kingdom (GBP)£30–£230£40–£425£70–£655
Australia (AUD)A$55–A$390A$85–A$685A$140–A$1,075
France (EUR)€35–€255€45–€405€80–€660
United Arab Emirates (AED)AED 130–AED 950AED 90–AED 1,060AED 220–AED 2,010

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 $65$580

Shop labour is the bigger half of most quotes. If you fit it yourself, your cost is the parts line only — $35–$245 in the US.

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Signs your Cadillac needs this job

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

Red flags in a Cadillac quote

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

Frequently asked questions

How much does spark plug replacement cost on a Cadillac in 2026?
Budget $100–$825 in the US: $35–$245 parts and $65–$580 labour. 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.
Is spark plug replacement more expensive on a Cadillac?
Somewhat. Cadillac parts usually run around 35% above mainstream brands, and many jobs need brand-specific diagnostic tools.
Can I fit spark plug replacement parts on a Cadillac myself?
DIY difficulty for this job is rated Moderate, with 0.6–3 hours of book time.

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Spark plug replacement on other brands