Motorcraft SP-420 Copper Resistor Spark Plug Fits select: 1966-1973 FORD MUSTANG, 1975-1986 FORD F150
- Brand:
- ?Motorcraft
- Model Number:
- SP420
- UPC:
- 031508270107
- EAN:
- 0031508270107
- Walmart SKU:
- 33587482
Key Takeaway
Trending upward with a $0.44 move 3 days ago to reach $4.28. Current price runs 7.3% above the 90-day average.
Third-Party Seller Summary
| Price Type | Price | Date |
|---|---|---|
|
Highest Price
|
$14.59 | |
|
Lowest Price
|
$14.59 | |
|
Most Recent Price
|
$14.59 |
- Average Price
- $14.59
- First Tracked
- Last Update
Walmart.com Summary
| Price Type | Price | Date |
|---|---|---|
|
Highest Price
|
$4.28 | |
|
Lowest Price
|
$3.25 | |
|
Most Recent Price
|
$4.28 |
- Average Price
- $3.78
- First Tracked
- Last Update
Price Analysis
Tracking History: We have tracked Motorcraft SP-420 Copper Resistor Spark Plug Fits select: 1966-1973 FORD MUSTANG, 1975-1986 FORD F150 since 9/23/2023. The most recent price update was on Sep 11, 2026.
Price Range: Over the past 90 days, the price has ranged from $3.25 (lowest on 9/23/2023) to $4.28 (highest on 9/7/2026). The average price during this period is $3.78.
Current Trend: Walmart.com prices have ranged from $3.70 (Jul 21) to $4.28 (Sep 10) over the past 90 days. Current price is close to the 90-day average of $3.99.
Price History
Recent Price Changes
Detailed price history for the past 90 days
Walmart.com Pricing
5 recordsWalmart.com prices have ranged from $3.70 (Jul 21) to $4.28 (Sep 10) over the past 90 days. Current price is close to the 90-day average of $3.99.
| Date | Price | Change | % Change |
|---|---|---|---|
| $4.28 | $+0.00 | +0.0% | |
| $4.28 | $+0.44 | +11.5% | |
| $3.84 | $+0.00 | +0.0% | |
| $3.84 | $+0.14 | +3.8% | |
| $3.70 | — | — |
No third-party seller price history available for this product in the past 90 days.