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17PCS AC Valve Core Kit for Car Air Conditioning Repair,R12 to R134a Conversi...

Air Conditioning Valve Core Kit | Cap & Valve AC R12 R134a Teflon Seal Refrig...

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17PCS Car Air Conditioning Valve Core Kit, R12 R134a Vehicle HVAC Valve Stem ...

39 PCS Air Conditioning Valve Core Accessories Kit, R12 R134a Refrigeration S...

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Air Conditioning Valve Core Kit - Car AC R12 R134A Teflon Seal Refrigeration Sch