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 vehicle's original com
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Price History Chart
Recorded price history
Showing the 30 most recent of 34 recorded prices.
| Date | Price |
|---|---|
| Sep 6, 2026 | $15.72 |
| Aug 30, 2026 | $14.29 |
| Aug 27, 2026 | $12.99 |
| Aug 26, 2026 | $14.29 |
| Aug 25, 2026 | $12.99 |
| Aug 24, 2026 | $16.90 |
| Aug 22, 2026 | $15.36 |
| Aug 21, 2026 | $15.72 |
| Aug 14, 2026 | $14.29 |
| Aug 13, 2026 | $12.99 |
| Aug 7, 2026 | $14.29 |
| Aug 6, 2026 | $12.99 |
| Aug 4, 2026 | $13.87 |
| Aug 2, 2026 | $12.60 |
| Jul 30, 2026 | $12.99 |
| Jul 28, 2026 | $12.60 |
| Jul 22, 2026 | $12.99 |
| Jul 20, 2026 | $12.60 |
| Jul 12, 2026 | $12.99 |
| Jun 27, 2026 | $12.60 |
| Jun 22, 2026 | $12.99 |
| Jun 17, 2026 | $12.60 |
| Jun 16, 2026 | $12.99 |
| Jun 15, 2026 | $12.60 |
| Jun 14, 2026 | $12.99 |
| Jun 5, 2026 | $8.29 |
| Apr 28, 2026 | $7.54 |
| Apr 19, 2026 | $7.92 |
| Apr 11, 2026 | $12.70 |
| Apr 6, 2026 | $8.53 |
Analysis
Iridium Spark Plug price analysis
Price analysis for Iridium Spark Plug at Home Depot: Today's price is $15.72. Current price is 14% above the 90-day average of $13.80 (a $1.92 above the running mean).
- Currently listed at $15.72, which is $7.97 above the original MSRP of $7.75.
- Current price is 14% above the 90-day average of $13.80 (a $1.92 above the running mean).
- The lowest recorded price on PriceWatchPro was $7.54 on April 28, 2026. That's $8.18 below today's price.
- The highest recorded price on PriceWatchPro was $16.90 on August 24, 2026. Today's price is $1.18 below that peak.
- 30-day trend: trending up 2.3% from $15.36 to $15.72.
- Across 33 tracked price changes, the listing has dropped 5 times with an average drop of $2.43.
- PriceWatchPro has been tracking this listing since November 18, 2025 (306 days of price history).
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Snapshot
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