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Mastercool 53123-YF is a refillable oil injector for R1234yf automotive A/C systems, designed for controlled addition of compressor oil through the low-side service port.
- Capacity: 2 oz / 60 ml
- Refrigerant: R1234yf
- Body: Black anodised aluminium
- Operation: Smooth-twist handle for controlled dosing
- Hose: Blue nylon-barrier hose compliant with J2888, EPA, SAE and UL requirements
- Coupler: R1234yf low-side coupler with extended disconnect sleeve, compliant with SAE J639 and J2888
Connect to the low side of a compatible R1234yf A/C system and follow Mastercool and vehicle-manufacturer service procedures.