OEMTOOLS 24530 Replacement Gauge High Side for A/C Manifold

This Replacement High Side Gauge fits OEMTOOLS and other brands of A/C manifolds used to service A/C systems on cars. This car air pressure gauge comes with an easy to find calibration screw on the front so you can adjust the calibration with a small flathead screwdriver and make sure your readings on your A/C gauges are correct. Features a gauge specifically for R134a, to be read together with a low pressure R134a gauge to monitor refrigerant levels,