Retrofit Fitting Auto Adapter Set #3017
- Converts R12 to 134a. This kit contains one high side small hole fitting, one high side large hole fitting, one low side fitting, and a system retrofit sticker.
- This kit makes converting a no-brainer! Blue cap is lowside, which on most vehicles is the larger line. Red Cap is highside.
- Low side fitting will be aluminum.
Low side fitting - if refrigerant is escaping from (blue) fitting, the fitting is too tight and should be raised up to stop flow of refrigerant.
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