Overview Reviews Product Description Used to install LSU 4.9 Wideband O2 sensor. Includes weld on bung and plug. Product Videos Custom Field Product Reviews Write a Review Write a Review × LINK ENGINE MANAGEMENT Link O2 Bung and Plug Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *