This is a A-CP0131 13mm Blue R-134a Low Side Valve Port Cap OEM & Aftermarket (5 pack) PN: CP0131Main Description As Following : A-CP0131 13mm Blue R-134a Low Side Valve Port Cap OEM & Aftermarket (5 pack) P.N: CP0131 Lo 8mm Blue (10 pcs) Replaces: 530-1012 AIR CONDITIONING Found in Section & Models : Air Conditioning Parts > O-rings/ Fittings/ Misc, (Miscellaneous) (UNDEFINED): SEVERAL, Air Conditioning Parts > Service Items & Tools, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Lo 8mm Blue