Mitsubishi 6G72 DOHC 24 Valve Oxygen Sensors 93-99 Turbo

Replace your old Oxygen Sensor for better gas mileage and tuning. Your ECU needs a properly functioning Oxygen Sensor(s) to precisely fuel the engine.

UPSTREAM is the FIRST O2 in the exhaust system, the FIRST one the exhaust hits, the O2 Sensor CLOSEST to the engine.

DOWNSTREAM is the SECOND O2 in the exhaust system, the SECOND one the exhaust hits, the O2 Sensor FARTHEST AWAY from the engine

For 1993-1999 Turbo applications there are 4 total Oxygen Sensors:

1 Front/Left/Near Front of car - Upstream - closest to the engine

1 Front/Left/Near Front of car - Downstream - farthest away from engine

1 Rear/Right/Near Firewall - Upstream - closest to the engine

1 Rear/Right/Near Firewall - Downstream - farthest away from engine

Fits: 1993-1999 Mitsubishi 3000GT DOHC 24 valve Turbo and non turbo 1993-1996 Dodge Stealth DOHC 24 valve Turbo and non