Price History for Double Platinum Spark Plug
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Double Platinum Spark Plug
Autolite spark plug's built a reputation in the automotive industry for quality and craftmanship. We manufacture spark plug's for virtually every automobile on the road today. Autolite spark plug's are availabl
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Sep 6, 2026 | $7.49 |
| Sep 5, 2026 | $7.22 |
| Aug 31, 2026 | $7.49 |
| Aug 24, 2026 | $7.44 |
| Aug 21, 2026 | $7.22 |
| Aug 16, 2026 | $7.44 |
| Jul 24, 2026 | $7.49 |
| Jul 22, 2026 | $6.77 |
| Jul 20, 2026 | $7.52 |
| Jul 17, 2026 | $8.35 |
| Jun 6, 2026 | $8.69 |
| May 30, 2026 | $8.61 |
| May 28, 2026 | $7.82 |
| May 21, 2026 | $8.69 |
| May 14, 2026 | $7.90 |
| May 7, 2026 | $7.18 |
| Apr 29, 2026 | $6.52 |
| Apr 27, 2026 | $5.92 |
| Apr 23, 2026 | $8.69 |
| Apr 20, 2026 | $8.76 |
| Apr 19, 2026 | $7.96 |
| Apr 18, 2026 | $8.51 |
| Dec 14, 2025 | $7.74 |
| Nov 23, 2025 | $7.74 |
| Nov 9, 2025 | $7.74 |
| Nov 7, 2025 | $7.74 |
Analysis
Double Platinum Spark Plug price analysis
Price analysis for Double Platinum Spark Plug at Home Depot: Today's price is $7.49. That's 3% off the MSRP of $7.74. Current price is 1% above the 90-day average of $7.44 (a $0.05 above the running mean).
- The current price of $7.49 is 3% (or $0.25) below the MSRP of $7.74.
- Current price is 1% above the 90-day average of $7.44 (a $0.05 above the running mean).
- The lowest recorded price on PriceWatchPro was $5.92 on April 27, 2026. That's $1.57 below today's price.
- The highest recorded price on PriceWatchPro was $8.76 on April 20, 2026. Today's price is $1.27 below that peak.
- 30-day trend: essentially flat (less than 1% movement).
- Across 25 tracked price changes, the listing has dropped 5 times with an average drop of $1.15.
- PriceWatchPro has been tracking this listing since November 7, 2025 (320 days of price history).
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Snapshot
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