4x For Jeep Wrangler V6-3.8L 2011 O2 Oxygen Sensor 1 Sensor 2 Bank 1 Bank 2.
(2) Kwiksen 127423 sensors (Upstream)
(2) Kwiksen 138278 sensors / 234-4417 (Downstream)
Purchased in 2019, Like New (never used)