E3 Spark Plugs E3.54 is a unique spark plug featuring E3’s patented DiamondFIRE ground electrode. This spark plug promises optimal engine performance and is designed for improved power, fuel efficiency, and reduced emissions.

Key Features

  • Patented DiamondFIRE ground electrode
  • Increased fuel efficiency
  • Reduced emissions

Features and Specs for Each Model

  • Thread size: 14mm
  • Hex size: 5/8″ (16mm)

Pros

  • Improves engine power
  • Eco-friendly with reduced emissions
  • Increases fuel efficiency

Cons

  • It may not be compatible with all engines

Amazon Customer Review

★★★★ “The performance improvement was instant. Definitely a good buy!” – Steve M.

Conclusion

The E3 Spark Plugs E3.54 is an innovative product designed for modern-day engine needs. If you’re environmentally conscious and looking for improved engine performance, this spark plug is worth the investment.

 

Champion RC12YC Spark Plug, Pack Of 4
4.7 out of 5 stars(4751427)
8% Off $14.36 $13.16 (as of July 5, 2025 06:17 GMT -05:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
4 pack Champion Copper Plus 71 Spark Plug Genuine ... read more
NGK Iridium IX DCPR7EIX Spark Plugs Compatible wit...
4.7 out of 5 stars(4754547)
Available for Amazon Prime 29% Off $24.82 $17.50 (as of July 5, 2025 06:17 GMT -05:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Come pre-gapped The ultimate in spark plug technol... read more
Champion Copper Plus 71G (RC12YC) Pack of 1 (UPC 0...
4.7 out of 5 stars(4751704)
Available for Amazon Prime 31% Off $7.99 $5.48 (as of July 5, 2025 06:17 GMT -05:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Copper Plus - Dependable Performance and Durabilit... read more
Champion RJ19LM - La bujía del motor
4.8 out of 5 stars(4853866)
Available for Amazon Prime 22% Off $6.46 $5.00 (as of July 5, 2025 06:17 GMT -05:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)
Champion RJ19LM Engine Spark Plug Champion Spark P... read more