How Much Does Spark Plug Replacement Cost in Kentucky?
Kentucky pricing is below the national average. Updated for 2026.
Spark Plug Replacement Pricing in Kentucky
In Kentucky, the average cost for spark plug replacement is $168 for all plugs, which is 16% lower than the national average of $200. Most Kentucky residents pay between $50 and $378.
Kentucky benefits from a lower cost of living than many states, resulting in more affordable pricing for spark plug replacement. This makes it one of the more budget-friendly states for this service.
Spark plugs ignite the air-fuel mixture in your engine. Worn plugs cause misfires, rough idle, poor fuel economy, and hard starting. Most vehicles have 4-8 spark plugs depending on engine size.
Kentucky vs National Average
What Affects Spark Plug Replacement Cost in Kentucky?
Engine
4-cylinder: $60-$200. V6: $150-$300. V8: $200-$450
Plug type
Copper: $2-$5 each. Platinum: $5-$15 each. Iridium: $8-$20 each. Double platinum: $10-$25 each
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Top-Rated Spark Plug Replacement Pros in Kentucky
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💡 Tips to Save on Spark Plug Replacement in Kentucky
- 1.DIY is straightforward on most 4-cylinder engines with basic tools
- 2.Iridium or platinum plugs cost more but last 60,000-100,000 miles
- 3.Don't pay for premium plugs if your car only needs copper
- 4.Bundle with other ignition maintenance (wires, coils) for labor savings
📈 Spark Plug Replacement in Kentucky Cost Trends (2020–2024)
Prices have increased +17.5% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $143 | — |
| 2021 | $149 | +4.2% |
| 2022 | $159 | +6.7% |
| 2023 | $163 | +2.5% |
| 2024 | $168 | +3.1% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Spark Plug Replacement in Kentucky
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Frequently Asked Questions
How often should spark plugs be replaced?
Copper plugs every 20,000-30,000 miles. Platinum or iridium plugs every 60,000-100,000 miles. Check your owner's manual for your car's specific interval.
Spark Plug Replacement Cost in Other States
Related Cost Guides for Kentucky
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