?retrue retrue onboard air compressor system for truck airbag suspension - universal air bag compressor kit for ford f150, f250, f350, chevrolet silverado, gmc sierra, dodge ram and more air bags kit is up for auction in Automotive. The current bid is $1.50, 99% below the $119.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.