E3 Spark Plugs
E3 Spark Plugs E3.66EACH Automotive Spark Plug E3.66EACH
- SKU:
- 20753864
- MPN:
- e366each
- Availability:
- Usually ships the same or next business day. In stock at our PA warehouse.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 01/20/2026 04:25:46 PM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $6.35 each 6.35 |
| Buy 3 | and pay only $4.78 each 4.78 |
| Buy 4 | and pay only $3.99 each 3.99 |
| Buy 5 - 7 | and pay only $3.51 each 3.51 |
| Buy 8 or above | and pay only $2.80 each 2.8 |
- Stock Update:
- 01/20/2026 04:25:46 PM PST
Description
This item is brand-new, factory sealed.
E3 Spark Plugs E3.66 Performance Spark Plug that fits in a variety of import and domestic applications.; The result of independent research and testing suggests that using E3 car spark plugs in your vehicle can increase horsepower when compared to more conventional spark plugs. Our patented Edge-to-Edge electrode outperformed other plug designs, including some premium spark plugs offered by the major manufacturers. Plus, E3 automotive spark plugs will continue to offer that "like-new" performance over the long haul and help to extend the life of your car's engine. Regardless of the brand, model or style of the vehicle that you drive, our plugs are designed to deliver an optimum spark to your car's new or aging engine. Developed in conjunction with researchers from leading universities, we designed our car spark plug to create a faster flame front, so the unburned air-fuel mixtures that would normally pass into the engine's exhaust system experience a more complete burn. Isn't it about time to put the DiamondFire power of our car spark plugs to work in your car, SUV, minivan, truck, motorcycle, snowmobile or ATV? Sold Individually. ;FOR OPTIMAL PERFORMANCE: Automotive spark plug that fits a variety of import and domestic applications, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell with 3 legs that help facilitate excellent heat transfer and increase turbulence in the cylinder INCREASED DURABILITY: Designed with colder heat ranges to enable performance modifications, and contains Yttrium-enhanced alloy for up to 8% reduction in side wire temperature for less pre-ignition WHAT'S INCLUDED: One (1) E3.66 spark plug. Features 14mm thread diameter; 1-inch thread reach plug with taper seat; 5/8-inch hex size
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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E3 Spark Plugs E3.66EACH Automotive Spark Plug E3.66EACH
$11.74