FOR R134A & R1234YF Systems -- The Professional AC Oil Dye Injector Kit is compatible with both R134A and R1234YF A/C systems and is designed to inject oil into the A/C system. Separate R134A and R1234YF snap-on couplings are included in this kit.
GallopMax R1234YF & R134A AC Oil Dye Injector Kit with 2 Snap R134a+R1234yf
New GM Tracer Dye Coolant AC R134A/R1234Yf Acdelco 0.25Oz x11 88864127
