E3 Spark Plugs E3.56 Autolite Copper Core Spark Plug with Leak-Proof Seal, Pack of 1 Spark Plug
E3 Spark Plugs E3.56 Autolite Copper Core Spark Plug with Leak-Proof Seal, Pack of 1 Spark Plug
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E3 Spark Plugs E3.56 Autolite Copper Core Spark Plug with Leak-Proof Seal, Pack of 1 Spark Plug

4.6 stars out of 28 reviews
(4.6)|
28 ratings
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Key item features

  • Enhanced Performance: E3 Spark Plugs boost engine performance, reduce emissions, and minimize misfires through advanced center and ground electrodes, ensuring optimal engine operation.
  • Superior Ignition: The spark plugs feature advanced electrodes for complete and efficient combustion, delivering a stronger spark for faster and more powerful ignition throughout their lifespan.
  • Durable Construction: Crafted with a robust steel shell and high alumina ceramic, these spark plugs offer high dielectric strength and a leak-proof copper-glass seal for extended durability.
  • Optimized Efficiency: A full copper core electrode enhances heat transfer, promoting longer plug life and improved engine efficiency, while minimizing spark gap growth.
  • Reliable Design: The multi-rib insulator reduces "flash over" to prevent misfires, and the high nickel alloy center and ground electrode ensure extended durability.
  • Environmental Focus: E3 products are engineered for a more complete and cleaner burn, contributing to reduced hazardous engine emissions and improved fuel efficiency.
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Current price is $8.33$8.33/lb
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Columbus, 43215
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4.6 out of 5 stars
stars28 ratings18 reviews
How item rating is calculated
  1. 5 stars82% (23)
  2. 4 stars11% (3)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star7% (2)

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Showing 1-3 of 18 reviews

Jan 4, 2025
Pietro
5 out of 5 stars review

Seller Verified Purchase

150% Increase in performance!!

[This review was collected as part of a promotion.] This very plug reinforced My opinion on crisp clean burn throughout System, I'm impressed 5 year Guaranty.

Review from e3sparkplugs.com
Helpful?0XT86T5J8JKR50059945
Mar 3, 2025
Michael
5 out of 5 stars review

Seller Verified Purchase

Ok

[This review was collected as part of a promotion.] Good used for car Honda for I want to buy more car my friend

Review from e3sparkplugs.com
Helpful?0XT86T5J8JKR50059945
Nov 18, 2024
Bob C.
5 out of 5 stars review

Seller Verified Purchase

Great Plugs

[This review was collected as part of a promotion.] Replacing these plugs initially bought over 150k miles ago! Love these plugs. They were still going strong, just had to replace 8 coils in my car and always do both at the same time!

Review from e3sparkplugs.com
Helpful?0XT86T5J8JKR50059945