Price History for Spark Plug
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Spark Plug
Bosch Double Platinum Spark Plugs are engineered to deliver both performance and long life, representing the best of OE spark plug technology. Bosch utilizes a platinum firing pin on the center electrode and pl
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Sep 3, 2026 | $7.11 |
| Sep 1, 2026 | $7.90 |
| Aug 31, 2026 | $8.78 |
| Aug 27, 2026 | $9.75 |
| Aug 26, 2026 | $10.83 |
| Aug 25, 2026 | $7.55 |
| Aug 18, 2026 | $6.86 |
| Aug 11, 2026 | $6.85 |
| Aug 9, 2026 | $6.84 |
| Jul 24, 2026 | $6.88 |
| Jul 20, 2026 | $6.86 |
| Jul 17, 2026 | $6.87 |
| Dec 14, 2025 | $9.17 |
| Dec 13, 2025 | $9.17 |
| Nov 19, 2025 | $9.17 |
| Oct 25, 2025 | $9.17 |
Analysis
Spark Plug price analysis
Price analysis for Spark Plug at Home Depot: Today's price is $7.11. That's 22% off the MSRP of $9.17. Current price is 8% below the 90-day average of $7.76 (a $0.65 below the running mean).
- The current price of $7.11 is 22% (or $2.06) below the MSRP of $9.17.
- Current price is 8% below the 90-day average of $7.76 (a $0.65 below the running mean).
- The lowest recorded price on PriceWatchPro was $6.84 on August 9, 2026. That's $0.27 below today's price.
- The highest recorded price on PriceWatchPro was $10.83 on August 26, 2026. Today's price is $3.72 below that peak.
- 30-day trend: trending down 5.8% from $7.55 to $7.11.
- Across 15 tracked price changes, the listing has dropped 5 times with an average drop of $1.20.
- PriceWatchPro has been tracking this listing since October 25, 2025 (330 days of price history).
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Snapshot
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