INDMAR Oxygen sensor that monitors engine exhaust gases and sends a signal to the engine control module for optimal fuel delivery.

DENSO O2 SENSOR MEFI6 SERVICE, 556162D

O2 sensor MEFI 6

• Indmar heated oxygen sensor measures exhaust gas to improve emission control
• Used on Indmar GM engines with MEFI6 controller
• Denso O2 sensor
• 4 wire connector