Brand | E3 |
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Core Material | Copper |
Gap Size | 0.04 Inches |
Thread Size | 14mm |
Top Material Type | Alloy Steel |
Vehicle Service Type | Car |
Manufacturer | E3 Spark Plugs |
Model | E3.48 |
Item Weight | 1.41 ounces |
Product Dimensions | 6.1 x 4.1 x 0.8 inches |
Country of Origin | China |
Item model number | E3.48 |
Is Discontinued By Manufacturer | No |
Exterior | Machined |
Manufacturer Part Number | E3.48 |
OEM Part Number | E3.48 |
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97% positive over last 12 months
98% positive over last 12 months
92% positive over last 12 months
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E3 Spark Plug E3.48 Automotive Spark Plug
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Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
Brand | E3 |
Core Material | Copper |
Gap Size | 0.04 Inches |
Thread Size | 14mm |
Top Material Type | Alloy Steel |
About this item
- Automotive spark plug that fits a variety of domestic applications, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
- E3's patented DiamondFIRE edge-to-edge electrode provides maximum performance with increased efficiency, and a faster more complete burn
- Designed with colder heat ranges to enable performance modifications, and contains Yttrium-enhanced alloy for a reduction in side wire temperature for less pre-ignition
- Includes one (1) E3.48 spark plug with a limited lifetime warranty
- Primarily used in a wide variety of automotive and truck applications
Additional Details
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This Item E3 Spark Plug E3.48 Automotive Spark Plug | Recommendations | dummy | dummy | dummy | dummy | |
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Price | $6.38$6.38 | -8% $44.99$44.99 Typical: $48.99 | -9% $23.49$23.49 Typical: $25.88 | $17.99$17.99 | $33.99$33.99 | $5.09$5.09 |
Delivery | Get it as soon as Monday, Mar 25 | Get it as soon as Monday, Mar 25 | — | Get it as soon as Monday, Mar 25 | — | Get it as soon as Monday, Mar 25 |
Customer Ratings | ||||||
Value for money | 4.2 | 5.0 | — | 4.8 | — | 4.0 |
Mileage | 4.1 | 5.0 | — | 4.8 | — | 4.0 |
Longevity | 4.0 | — | — | 4.9 | — | 4.0 |
Sold By | Nivi Stores Inc. | ADVENTURER'S BAG | NorthEast Cycle Shop | OYEAUTO | NorthEast Cycle Shop | Amazon.com |
core material | Copper | Copper | Copper | Iridium | Copper | Copper |
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From the manufacturer
E3 Spark Plug Key Features
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Nickel Plated Terminal End- Corrosion protection at the main contact point with your engine's ignition system. Projected Insulator Tip- We have the deepest projections in the Industry, promoting better spark-zone refreshing between power strokes, without any negative side effects. Spark Gaps Tailored to Your Engine- Unlike other 'premium' spark plugs that use a 'one size fits all' gap policy, E3 Spark Plugs have carefully optimized spark gaps chosen to maximize performance for each application. |
E3 Spark Plug's patented (US Patent # 6.495.948) ground electrode design provides for more efficient burning of your vehicle's air/fuel vapor, leading to more pressure in the cylinder. These improvements are measurable, and confirmed as compared to the designs found in existing spark plugs. The DiamondFIRE electrode projects the spark further into the combustion chamber, bringing it closer to the most robust air/fuel mixture. The initial combustion wave leaves the spark area at supersonic speeds, and the elevated edge provides a chimney effect so the next round of air/fuel mixture gets into the spark zone more easily. |
The E3 ground electrode design forces edge-to-edge spark discharge, which is the best way to get a spark to leave a surface. Sharp edges are better at initiating electron migrations, and these accelerated electrons collide with matter inside the spark zone to release additional electrons. This design ensures that the whole population of electrons works to create a plasma channel through which the spark current flows more easily, resulting in an increase in both power output and fuel economy, while reducing emissions in gasoline engines and the build-up of carbon deposits on engine surfaces. |
Additional E3 Spark Plug Products
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Truck Spark PlugsE3 truck spark plugs utilize the latest E3 technologies to help engines operate with more power by and creating more pressure against the cylinder and more available fuel is put to work. Get more power, better fuel efficiency and a faster/smoother acceleration. |
Small Engine Spark PlugsE3 small engine spark plugs have the same patented Edge-to-Edge DiamondFIRE ground electrode that has been proven to burn fuel more efficiently. Bring your L&G equipment to life, with quicker starts, more power, better fuel efficiency, and lower emissions. |
Power Sport Spark PlugsFor near perfect combustion, put in a set of E3 power sports spark plugs that are Born to Burn! Featuring the patented DiamondFIRE ground electrode, E3 power sport plugs provide more power, quicker starts, better fuel efficiency and lower emissions. |
Racing Spark PlugsE3's unique DiamondFIRE ground electrode helps to create more turbulence in the cylinder, and facilitate a faster flame growth. The result is more complete combustion, which results in more power and better consistency. E3 Racing Plugs cover a wide variety of Motorsports applications. |
Why Choose E3 Spark Plugs - DiamondFIRE Electrode
E3 combined their knowledge of performance spark plugs with the latest science to produce the unique DiamondFire ground electrode. This design mimics surface gap plugs used in rotary engines and reduces the flame kernel's travel time from the spark zone to the compressed gases in the engine's combustion chamber. The sharp edges produced by the DiamondFire design initiates strong electron migrations from the central electrode that improve the overall spark discharge. E3's multi-edge design is more efficient in creating a plasma channel to allow for a better flow of spark current, which burns compressed gases more completely and puts more of the available fuel to work in your engine.
Product Description
Product Description
The E3.48 auto spark plug 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. Our unique DiamondFIRE open design forces air gap discharges, creating the preferred edge-to-edge spark path. The design allows replenishment of the spark zone with a fresh fuel/air charge, and exposes the flame front more directly to the piston head than other plug designs. This distinctive spark plug design has proven to simultaneously increase engine power output, reduce gasoline consumption, decrease hydrocarbon and carbon monoxide emissions from the engine, and materially extend the life of the spark plug. Our lawn and garden spark plugs help engines operate more efficiently with a faster and smoother acceleration.
Amazon.com
Product information
Technical Details
Additional Information
ASIN | B000BPQGSY |
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Customer Reviews |
4.5 out of 5 stars |
Best Sellers Rank | #43,076 in Automotive (See Top 100 in Automotive) #317 in Automotive Replacement Spark Plugs |
Date First Available | January 2, 2007 |
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the performance, quality and power of the spark plug. They mention that it runs considerably better, has more power and that it's pretty efficient. That said, some complain that the plugs didn't fit their car.
AI-generated from the text of customer reviews
Customers like the performance of the spark plugs. They say that their car runs considerably better, has more power, and is more efficient. Some customers also mention that the plugs work well and increase gas mileage. Overall, customers are satisfied with the performance and durability of these spark plug.
"...Since then the new plug has been working great with no issues at all, and just like the original E3 we had been using before, this plug makes a..." Read more
"...instantly notice the difference in acceleration and improved gas mileage on the freeway since I travel constantly...." Read more
"...NOTABLE difference in performance." Read more
"They will work good for a few weeks, but eventually they will crack your engine block...." Read more
Customers like the quality of the spark plugs. They say they are a worth while purchase, good for 100k miles, and excellent quality. Some appreciate the price per plug.
"...plugs we're 80k old so... They looked quality and I really appreciated the price per plug. These are 12 bucks from the dealership...." Read more
"...These are solid copper core spark plugs and I know these will not last 100k miles...." Read more
"...All in all, I would say these spark plugs are a worth while purchase that will eventually pay for themselves." Read more
"...that this plug can stand up to 100k miles or km, it just looks like a cheap plug. I hope it can last at least 40k, and i'll be fine with that...." Read more
Customers like the power of the spark plug. They say it provides a little more power and better gas mileage. Some customers also mention that their truck runs smooth and powerful again. Overall, most are satisfied with the power and performance of the product.
"...First, some driving impressions. The car does run smoother and has more power...." Read more
"...When he installed these I noticed the car running with more power, they’re pretty efficient as well. The engine performance feels like a new car...." Read more
"...No huge power gains which I knew was not true and I got maybe 1-2 mpg increase on the highway that's it...." Read more
"...smooth idle, good power, increased mileage.....)..." Read more
Customers find the installation of the spark plug to be easy. They mention that it works great and is easy to put on with a magnetic wrench.
"...The e-3s fit perfectly, z installed as easily as possible with all the hassles of the newer cars and seems to run great, maybe even a little better..." Read more
"I like everything that it said very easy to install if you have the right tools I would highly recommend it thank you Amazon" Read more
"Wasn’t that hard to install. You just need pliers to pull off the spark plug “boots.” Don’t pull by the wire, pull by the rubber piece...." Read more
"Easy to put on whit magnetic wrench I put high temperature silicone on the boots and top spark plugs and anti size on the tread of spark..." Read more
Customers are mixed about the temperature of the spark plug. Some mention that it produces very low heat, while others say that it fires hotter and lasts a lot longer. That said, some say that they lower engine temps and burn much cleaner, while other say that the spark causes a rise in engine temperature.
"Good plugs I have them in my small block 403 and they burn much cleaner now and I also run them in my lawn equipment but they were shipped loosely..." Read more
"...Almost cross-thread my engine block. Causes a rise in engine temperature, maybe 1 - 3 degrees max...." Read more
"...This little plug produces very low heat." Read more
"...They get so hot then you will see white smoke coming out of your tail pipe from coolant leaking because you have to replace the head gasket and then..." Read more
Customers are dissatisfied with the fit of the spark plug. They mention that it didn't fit their car, the threads were too short, and the piece was too fat.
"...One of the set had threads that were not 100% machine properly. Almost cross-thread my engine block...." Read more
"They looked nice but are too fat to fit my vehicle." Read more
"...So, any change would be an improvement. The e-3s fit perfectly, z installed as easily as possible with all the hassles of the newer cars and seems..." Read more
"These do NOT fit a Jeep 2007 as Amazon suggested they did. I spent $10 EACH on 4 spark plugs... only to find out they were not even the right ones...." Read more
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When I quickly ordered the new plugs I hadn't even noticed that the plug had been so radically changed to this new Diamond design until the plugs arrived! No Gap adjustment required huh? At first I was a bit dubious about putting one of these into the generator since the original version had worked so well after setting the proper gap (0.030) which the manual had stressed was vitally important for proper operation. But... I figured that I would never know if these actually worked in the Generac unless I tried one out, so I pulled the old E3.48 and installed one of these newer versions. I had been so pleased with the original E3 plug that I was wondering to myself if it would be difficult to locate and purchase the original version if this new design failed to work as well.
I needn't have worried! :o)
The generator fired right up without complaint and settled in to a nice smooth a noticeably quieter 30 minute test run. Since then the new plug has been working great with no issues at all, and just like the original E3 we had been using before, this plug makes a noticeable differerence in fuel consumption which is particularly important for a full house generator during our often days long winter storm caused power outages with daytime highs in the teens and low 20s! Weather conditions will often conspire to prevent you from heading down the mountain to the nearest gas station with power to refill our 4 five gallon reserve tanks we use for this unit. So obviously, the more runtime you can get out of every precious gallon of fuel the better!
So... While our application is far from as demanding as those using these in a motor vehicle, reliability is no less important, so I thought I would post this review primarily for those who may be considering the use of this high tech spark plug in their portable generator. I can say that after running the E3 brand for the last three seasons, it is the only plug I will consider for our Generac! And based on the performance of the newer design so far, the new and improved E3.48 should do an even better job than the original design with the conventional GAP adjustment required design.
And I do have to say that its nice to not have to worry about gapping the replacement plug anymore! One less thing to worry about when the time comes to do our yearly maintenance on the XG8000E!
The E3.48 spark plugs I’ve used in 2001-2007 mustangs (ran great but not sure it’s recommended) and a 318 5.2L dodge engine along with a Nissan Tsuru in Mexico since I had 4 extra used ones I didn’t need and my buddy wanted them. Ran great in his Tsuru even after I had used them for 16 months.
I will like to mention that I buy new E3 plugs every 2 years and clean them every 3 months when I do my oil change. That’s another thing I liked about them that I can clean them with stainless steel brushes and they work like new again. I tried the same with AC Delco iridium and the spark plugs would stop working making my engine misfire saying an ignition coil was not working. E3s are great in my opinion cause of the efficiency and the fact that I can clean them over and over to make the best of them (If I can save money and clean them instead of buying new ones that’s great) hope this review helps