Price History for Iridium Spark Plug
Close
Iridium Spark Plug
Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced
Set Price Alert
Price History Chart
Recorded price history
| Date | Price |
|---|---|
| May 15, 2026 | $4.51 |
| May 1, 2026 | $4.64 |
| Apr 27, 2026 | $5.00 |
| Apr 25, 2026 | $5.56 |
| Apr 22, 2026 | $6.18 |
| Apr 19, 2026 | $6.87 |
| Apr 17, 2026 | $7.63 |
| Dec 14, 2025 | $8.49 |
| Dec 11, 2025 | $8.49 |
| Dec 5, 2025 | $8.49 |
| Nov 4, 2025 | $8.49 |
Analysis
Iridium Spark Plug price analysis
Price analysis for Iridium Spark Plug at Home Depot: Today's price is $4.51. That's 47% off the MSRP of $8.49. The lowest recorded price on PriceWatchPro was $4.51 on May 15, 2026. The current listing is at this all-time low.
- The current price of $4.51 is 47% (or $3.98) below the MSRP of $8.49.
- The lowest recorded price on PriceWatchPro was $4.51 on May 15, 2026. The current listing is at this all-time low.
- The highest recorded price on PriceWatchPro was $8.49 on November 4, 2025. Today's price is $3.98 below that peak.
- Across 10 tracked price changes, the listing has dropped 5 times with an average drop of $0.70.
- PriceWatchPro has been tracking this listing since November 4, 2025 (320 days of price history).
Related
More Storage And Organization deals on Home Depot
Track price history on other items shoppers are watching in this category.
Support
Home Depot FAQs
Tips for tracking this Home Depot item with alerts and price history.
How do I track price drops for Home Depot?
Pick a target price on this page and save it. We will email you when this Home Depot listing drops below your goal.
Where can I review price history?
Check the price history chart on this page to compare today’s price against recent highs and lows before buying.
Can I edit or pause alerts later?
Yes. Edit, pause, or delete alerts anytime from your PriceWatchPro dashboard after you sign in.
Snapshot
Iridium Spark Plug shopping snapshot
Track this Home Depot listing with real-time alerts, a full price history, and side-by-side savings tips.
Understand pricing trends
Use the chart above to see seasonal lows, promo spikes, and the average street price so you can time your purchase.
Set alerts that match your budget
Choose a target price and we will email you when Iridium Spark Plug dips below that number.
Shop confidently
Review specs, availability, and recent updates from Home Depot before jumping to the store page.