Part Number: 556202SPEC
Indmar USE S556202SPEC, Sensor O2 Indmar ETXCAT Exhaust 4 Wire O2 Sensor, Works on Indmar Monsoon, Indmar Hammhead, & Other Indmar GM Small block engines, Indmar Part# 556202spec, Gasket Only, Sold Individually, Specialized Gasket for the Indmar ETXCAT Ex