htomt ac oil injector kit, a/c dye oil injector with r1234yf low side quick coupler and qc12 quick coupler, for r1234yf r134a r22 r12 refrigerant system is up for auction in Automotive. The current bid is $1.50, 96% below the $33.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.