Price History for Spark Plug
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Spark Plug
Champion Double Platinum Power spark plugs deliver more powerful performance. Featuring exclusive Heat-Active alloy, platinum fine wire center electrode and platinum pad ground electrode provide maximum life an
$9.99
Not currently listed
Not in Home Depot’s listings since Sep 22, 2026; the price shown is the last one we recorded.
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Jul 25, 2026 | $9.99 |
| Jul 24, 2026 | $6.78 |
| Jul 2, 2026 | $6.99 |
| Jun 22, 2026 | $6.78 |
| Jun 14, 2026 | $6.99 |
| Jun 11, 2026 | $6.78 |
| Jun 2, 2026 | $6.99 |
| Jun 1, 2026 | $6.78 |
| May 31, 2026 | $6.99 |
| May 30, 2026 | $6.78 |
| May 28, 2026 | $6.99 |
| May 24, 2026 | $6.78 |
| May 20, 2026 | $6.99 |
| May 19, 2026 | $6.78 |
| Apr 22, 2026 | $6.99 |
| Apr 21, 2026 | $5.75 |
| Dec 14, 2025 | $5.22 |
| Dec 2, 2025 | $5.22 |
| Nov 22, 2025 | $5.22 |
| Oct 26, 2025 | $5.22 |
20 recorded prices; last found in Home Depot’s data on Sep 22, 2026. How we track prices
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Analysis
Spark Plug price analysis
Price analysis for Spark Plug at Home Depot: today's price of $9.99 is the highest price we've recorded for this listing.
- Currently listed at $9.99, which is $4.77 above the original MSRP of $5.22.
- Today's price matches its average daily price over the last 90 days ($9.99).
- The lowest recorded price on PriceWatchPro was $5.22 on October 26, 2025. That's $4.77 below today's price.
- The highest recorded price on PriceWatchPro was $9.99 on July 25, 2026.
- No meaningful price drops recorded in the tracked history — this listing has held steady or trended upward.
- PriceWatchPro has been tracking this listing since October 26, 2025 (374 days of price history).
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