kaisal ac oil injector tool r134a r410a r22 r12 refrigerant compressor oil dye injector 2oz ac dye kit well-sealed ac oil injector kit fast ac recharge kit with 1/4" sae thread&r134a quick coupler hvac tools pneumatic type is up for auction in Automotive. The current bid is $3.50, 86% below the $24.69 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.