Bosch Oxygen Sensor, Part # 13770Genuine OE Bosch Oxygen Sensor, Made in USA
- These are New, Genuine OE Bosch Oxygen Sensors -
- Not Aftermarket - Not Chinese -
Mazda Ref # L3A1-18-861C
Denso Ref # 234-4390
Bosch Oxygen Sensor, Part # 13770 Genuine OE Bosch Oxygen Sensor, Made in USA - These are New, Genuine OE Bosch Oxygen Sensors - - Not Aftermarket - Not Chinese - Mazda Ref # L3A1-18-861C Denso Ref # 234-4390