Tag Archives: iridium

DENSO Spark Plugs for Co-Generation Plants

Do you operate a co-gen plant?  You need top quality spark plugs which outperform the competition.  DENSO is one of the world’s leading innovators for ignition technology.  DENSO provides a variety of different plugs perfect for co-gen applications.

DENSO is an automotive components manufacturer. They are one of the world’s leading innovators for ignition technology. A part that DENSO manufacturers is their Iridium CoGeneration Spark Plugs, an important part for the gas engine industry. This post will: describe Iridium Saver Plugs and give DENSO parts numbers.

There are three Iridium Saver Spark Plugs that DENSO offers. These three are: Iridium Saver, Iridium Saver Performer, and Iridium Saver DDI.


The Iridium Saver uses original Iridium (Ir) and is the standard spark plug.

Spark Plugs for Co-Generation Plants
Iridium Saver

The Iridium Saver Performer uses gas compression. Benefits with this spark plug include greater durability, increased performance, and it includes that patented cross groove design (seen below).

Spark Plugs for Co-Generation Plants
Iridium Saver Performer

The Iridium Saver DDI uses bio gas. This spark plug has the highest durability and it uses double Iridium.

Spark Plugs for Co-Generation Plants
Iridium Saver DDI

Iridium Saver Spark Plugs are very high quality and premium products and will guarantee you product reliability. In addition, they are an OE Suppler (Waukesha, Cummins, GE Jenbacher, CAT, etc etc). Advantages & characteristics of Iridium Saver Spark Plugs include the following:

  • DENSO Patented Iridium – more longevity
  • Powder Sealing & Hot Lock – higher compression
  • Nickel Plating – increased corrosive resistance compared to the competitors
  • 360° Laser Welding – ensures stability
  • Monolithic Resistor – increased adhesion to high temperatures
  • High Dielectric Ceramic
Spark Plugs for Co-Generation Plants

Top = iridium alloy. Middle = 360° Robotic Laser Weld. Bottom = Nickel alloy


DENSO vs Competitors

Spark Plugs for Co-Generation Plants

Order Spark plugs for your co-gen plant with the links below.

DENSO Iridium Spark Plugs
Saver Saver PerformerSaver DDI
GI3-3 GI3-1GI3-5
GL3-3 GL3-1GL3-5
GE3-1 GE3-5
GT3-1
GE5-1
GN3-1A
GI3-1, GI3-3, GI3-5, GL3-1, GL3-3, GL3-5, GT3-1, Spark Plugs for Co-Generation Plants
GE3-1, GE5-1, GE3-5, GN3-1A, Spark Plugs for Co-Generation Plants

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