I-31-1 Auburn Igniter Spark Plug New in the box. Condition is "New".Auburn Igniters are the industry leading standard for combustion equipment since 1910. The Auburn range of igniters consists of over 88 unique part numbers. Auburn Igniters are used as original equipment by many of the worlds largest combustion equipment manufacturers. Auburn insulators are renowned for having excellent dielectric strength, high mechanical strength, high thermal conductivity and excellent resistance to heat shock. Shipped with USPS First Class.