8 New NGK Iridium IX Spark Plugs TR8IX # 3691
- Brand:
- NGK
- Model Number:
- NGKTR8IX
- UPC:
- 087295136911
- EAN:
- 0087295136911
- Walmart SKU:
- 129121991
Key Takeaway
After 1 days of stability at $37.17, market indicators point to an immediate 33.4% price reduction.
Price expected to drop to $24.74 soon
Third-Party Seller Summary
| Price Type | Price | Date |
|---|---|---|
|
Highest Price
|
$48.68 | |
|
Lowest Price
|
$14.14 | |
|
Most Recent Price
|
$28.83 |
- Average Price
- $22.52
- First Tracked
- Last Update
Walmart.com Summary
| Price Type | Price | Date |
|---|---|---|
|
Highest Price
|
$42.87 | |
|
Lowest Price
|
$11.10 | |
|
Most Recent Price
|
$37.17 |
- Average Price
- $20.71
- First Tracked
- Last Update
Price Analysis
Tracking History: We have tracked 8 New NGK Iridium IX Spark Plugs TR8IX # 3691 since 12/6/2022. The most recent price update was on Sep 9, 2026.
Price Range: Over the past 90 days, the price has ranged from $11.10 (lowest on 1/15/2025) to $42.87 (highest on 8/7/2026). The average price during this period is $20.71.
Current Trend: Walmart.com prices have ranged from $22.10 (Jul 31) to $42.87 (Aug 7) over the past 90 days. Current price is 26.8% above the 90-day average of $29.31.
Customer Insights: Rated 2.33/5 from 3 reviews.
Customer Reviews
3 reviewsCustomer Reviews
2.3
Based on 3 reviews
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Showing 2 of 3 reviews
Very good features
Great plugs made my L S motor run smoother and burn clean
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says 8 new spark plugs but only comes with one.
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Price History
Recent Price Changes
Detailed price history for the past 90 days
Walmart.com Pricing
5 recordsWalmart.com prices have ranged from $22.10 (Jul 31) to $42.87 (Aug 7) over the past 90 days. Current price is 26.8% above the 90-day average of $29.31.
| Date | Price | Change | % Change |
|---|---|---|---|
| $37.17 | $+14.87 | +66.7% | |
| $22.30 | $-20.57 | -48.0% | |
| $42.87 | $+20.77 | +94.0% | |
| $22.10 | $+0.00 | +0.0% | |
| $22.10 | — | — |
Third-Party Seller Pricing
1 recordsThird-Party Sellers prices have ranged from $28.83 (Jun 29) to $28.83 (Jun 29) over the past 90 days. Current price is close to the 90-day average of $28.83.
| Date | Price | Change | % Change |
|---|---|---|---|
| $28.83 | — | — |