Price History for 12 mm Spark Plug Adapter
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12 mm Spark Plug Adapter
12 mm Spark plug adapter for 20250 Compression tester. Adapters for compression testing on some automobile motorcycle, ATV, chainsaw and marine gas engines. Includes O-ring.
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Jan 25, 2026 | $9.17 |
| Jan 11, 2026 | $10.56 |
| Jan 10, 2026 | $9.93 |
| Jan 9, 2026 | $10.56 |
| Jan 5, 2026 | $9.84 |
| Dec 14, 2025 | $10.47 |
| Dec 7, 2025 | $10.47 |
| Nov 18, 2025 | $10.47 |
| Oct 30, 2025 | $10.47 |
Analysis
12 mm Spark Plug Adapter price analysis
Price analysis for 12 mm Spark Plug Adapter at Home Depot: Today's price is $9.17. That's 12% off the MSRP of $10.47. The lowest recorded price on PriceWatchPro was $9.17 on January 25, 2026. The current listing is at this all-time low.
- The current price of $9.17 is 12% (or $1.30) below the MSRP of $10.47.
- The lowest recorded price on PriceWatchPro was $9.17 on January 25, 2026. The current listing is at this all-time low.
- The highest recorded price on PriceWatchPro was $10.56 on January 9, 2026. Today's price is $1.39 below that peak.
- Across 8 tracked price changes, the listing has dropped 3 times with an average drop of $0.88.
- PriceWatchPro has been tracking this listing since October 30, 2025 (284 days of price history).
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