Overview Reviews Product Description 16164 Push Lock Fitting for Air Line on Challenger Lift. 1/4" MPT. We are an authorized Challenger Distributor. Genuine Challenger Parts! Product Videos Custom Field Product Reviews Write a Review Write a Review × Challenger 16164 Challenger Air Line Push Fitting Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *