Price History for Iridium Spark Plug
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Iridium Spark Plug
ACDelco Professional Iridium Spark Plugs are a high quality replacement for many vehicles on the road today. They are our latest in spark plug technology and an exact replacement for your vehicles original comp
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Price History Chart
Recorded price history
Showing the 30 most recent of 48 recorded prices.
| Date | Price |
|---|---|
| Aug 31, 2026 | $12.49 |
| Aug 28, 2026 | $12.12 |
| Aug 27, 2026 | $12.49 |
| Aug 26, 2026 | $12.12 |
| Aug 25, 2026 | $12.49 |
| Aug 23, 2026 | $12.45 |
| Jul 28, 2026 | $12.12 |
| Jul 27, 2026 | $12.49 |
| Jun 30, 2026 | $8.88 |
| Jun 29, 2026 | $12.49 |
| Jun 28, 2026 | $12.12 |
| Jun 27, 2026 | $12.49 |
| Jun 26, 2026 | $12.12 |
| Jun 25, 2026 | $12.49 |
| Jun 24, 2026 | $12.12 |
| Jun 23, 2026 | $12.49 |
| Jun 22, 2026 | $12.12 |
| Jun 21, 2026 | $12.49 |
| Jun 20, 2026 | $12.12 |
| Jun 17, 2026 | $12.49 |
| Jun 15, 2026 | $12.12 |
| Jun 14, 2026 | $12.49 |
| Jun 11, 2026 | $12.12 |
| Jun 5, 2026 | $12.49 |
| Jun 3, 2026 | $12.12 |
| Jun 2, 2026 | $12.49 |
| Jun 1, 2026 | $12.12 |
| May 31, 2026 | $12.49 |
| May 30, 2026 | $12.12 |
| Apr 29, 2026 | $12.49 |
Analysis
Iridium Spark Plug price analysis
Price analysis for Iridium Spark Plug at Home Depot: Today's price is $12.49. Current price is 3% above the 90-day average of $12.07 (a $0.42 above the running mean).
- Currently listed at $12.49, which is $5.61 above the original MSRP of $6.88.
- Current price is 3% above the 90-day average of $12.07 (a $0.42 above the running mean).
- The lowest recorded price on PriceWatchPro was $6.25 on December 24, 2025. That's $6.24 below today's price.
- The highest recorded price on PriceWatchPro was $12.49 on April 15, 2026.
- 30-day trend: essentially flat (less than 1% movement).
- Across 47 tracked price changes, the listing has dropped 5 times with an average drop of $2.23.
- PriceWatchPro has been tracking this listing since October 24, 2025 (334 days of price history).
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Snapshot
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