A/C System Oil Injector. Notes: For technical help and warranty concerns please contact OTC at 1-800-533-6127 or online at www.otctools.com.
For PAG oil and R134a refrigerant. Includes low side manual quick coupler to connect to the vehicle's A/C system. Syringe-type injector used to add PAG type lubricant oil to a fully pressurized A/C system. Fill the barrel with the amount of oil needed, connect the injector, and press the plunger.