Auburn E5-I-31 Spark Plug

The Auburn E5-I-31 is a high-performance industrial spark plug engineered specifically for demanding combustion environments in HVACR systems and oil burner applications. Featuring a robust nickel electrode and a standard 14mm thread size, this ignitor ensures reliable ignition even under extreme thermal stress. The Auburn E5-I-31 is designed with a 13/16-inch reach and a precision 0.025-inch gap, providing the consistent spark necessary for optimal combustion efficiency. Built as a direct replacement for the legacy I-31 series, this industrial ignitor stands up to thermal shock and chemical erosion, reducing frequent maintenance cycles in power generation and heating systems. Whether you are maintaining a commercial boiler or industrial process equipment, the Auburn E5-I-31 offers the durability and electrical conductivity required for steady, long-term operation. By choosing this AUBURN SPARK PLUG, technicians ensure a secure fit and high-voltage resistance for critical heating components.

• Enhanced Durability: The nickel electrode is resistant to both sparking erosion and chemical degradation.
• Reliable Ignition: Precision engineering minimizes misfires, supporting consistent combustion efficiency.
• Universal Fit: Standard 14mm thread size and 13/16" reach provide compatibility with a wide range of industrial burners.
• Thermal Resistance: Advanced insulator materials are proven to withstand extreme thermal shock and high-pressure environments.

• Is the E5-I-31 a direct replacement for the I-31? Yes, the E5 prefix indicates the latest manufacturing standard for the original I-31 industrial ignitor model.
• What is the thread size of this spark plug? This unit features a standard 14mm thread with a 13/16" hex for easy installation.
• Can this be used in power generation systems? Yes, it is designed for use in industrial engines, combustion equipment, and power generation units.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

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