OXYGEN SENSOR BEFORE OR AFTER CAT 05-06 TJ 2.4L, FRONT AFTER CAT 05-06 TJ 4.0L, AFTER CAT 06 KJ 3.7L, AFTER CAT LH 05 KJ 3.7L, BEFORE CAT 04 KJ 2.4L, AFTER CAT 05-06 WK 4.7L5.7L