Model compatibility tailored for specific applications; provides a precise fit for valve core and pipe valve core assemblies, enhancing overall system efficiency Automotive valve compatibility designed to be compatible with r134a3 automotive air conditioning systems Air conditioning kits and low pressure valve core needles regulate the pressure of the air conditioning system efficiently suitable for the air conditioner expansion valve pressure control the valve core plays a crucial role in regulating pressure within the air conditioning system helps prevent malfunctions and prolongs the lifespan of the system Use scenarios replacing worn valve cores during routine maintenance on vehicles with r134a3 A/C systems inclusion in kits for on site regulation of and low pressures during charging and servicing preventive maintenance to maintain stable pressure and extend the life of the air conditioning system