Sonata GLS V6-2.7L (2002)
PARTS INFORMATION:
2003 SANTA FE and 2003 SONATA V6
B1/S1 = Bank 1, Sensor 1 (Front O2)
B2/S1 = Bank 2, Sensor 1 (Front O2)
B1/S2 = Bank 1, Sensor 2 (Rear O2)
B2/S2 = Bank 2, Sensor 2 (Rear O2)
Bank 1 = Dash Panel Side
Bank 2 = Radiator Side
INTERCHANGEABILITY:
The Previous and New O2 sensors are NOT Interchangeable.