⚡ Ignite Efficiency, Drive with Confidence!
The E3.40 Premium Automotive Spark Plug features patented DiamondFIRE technology with a unique side-wire electrode that enhances combustion efficiency, delivering up to 12% more power and 13% better fuel economy. Designed for domestic vehicles with a 14mm thread and 0.460” reach, it reduces harmful emissions and carbon buildup while offering durability backed by a 5-year/100,000-mile warranty. Ideal for professionals seeking reliable, eco-conscious performance upgrades for classic and modern engines alike.
Brand | E3 |
Core Material | Copper |
Gap Size | 0.04 Inches |
Thread Size | 14mm |
Top Material Type | Alloy Steel |
Vehicle Service Type | Car |
Global Trade Identification Number | 00894489000404 |
Automotive Fit Type | Vehicle Specific Fit |
UPC | 894489000404 |
OEM Part Number | E3.40 |
Manufacturer | E3 Spark Plugs |
Model | Automotive Spark Plug |
Item Weight | 3.2 ounces |
Product Dimensions | 6.1 x 4.1 x 0.8 inches |
Item model number | E3.40 |
Is Discontinued By Manufacturer | No |
Exterior | Machined |
Manufacturer Part Number | E3.40 |
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