E3.48 Spark Plug

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E3.48 Spark Plug
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ITEM # : E3.48


Automotive plug that fits in a variety of import and domestic applications.

Special Offer

Purchase 4 of E3.48 Spark Plug and get:

A $5.99 VALUE!




E3.48 is a 14mm, 0.750” reach plug with a gasket seat. It fits a wide variety of late model applications, especially import. E3.48 is widely stocked in automotive retail stores. E3 automotive plugs have three legs securing the DiamondFIRE electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented DiamondFIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use. The unique ground electrode and full-size center electrode also provides optimal performance for a guaranteed five years or 100,000 miles.

Part Number: E3.48

Resistor: Resistor

Hex Size: 5/8"

Thread Reach: 0.750"

Thread Diameter: 14mm

Seat: Gasket

Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted

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Reviewed by test4echoman
02/14/2018 - 10:53:06 AM
Hi all. This is my 1st purchase of E3 plugs. I was hesitant and cautious. ya know new design, hype, advertising etc. I am VERY satisfied though with my purchase for a few reasons. I have been a shade tree mechanic for over 30 years, these are the only plugs that have threaded completely in by hand! Keep up the engineering and manufacturing process! #2. the gas mileage increase was instant. I was averaging 36 mpg in my 2005 Prius around town. I am now up to 42 MPG! (no hwy stats yet). #3 The engine prior to install was lagging and downshifting allot and shifts were abrupt. Well all those issues are gone as well. You have made a new customer. I will only install E3's in all my vehicles from here on out.
Reviewed by DavidS
12/19/2017 - 03:14:59 PM
Great for performance
I’ve run these plugs in my Miata’s high revving engine for multiple HPDE’s and got no ignition break up or misfire like I would get from other brands on the hotter days with higher intake temperatures. I also found myself changing plugs far less often than when I was running brands such as NGK and Champion. These plugs provide a much more complete burn and when I remove the plugs the color is consistently the same. I highly reccommend these for daily drivers as well as performance applications. These are the best plugs I’ve come across.
Reviewed by bdurham
09/19/2016 - 03:09:06 PM
Awesome Product
I ran these plugs in my '93 MX5 and had great results. The car ran better and felt healthier than it did with the NGK's it had in it when I bought it. I've also ran these plugs for my '94 Integra with similarly positive results.

Definitely made me a fan of the E3 brand!