A / C Compressor 5.7 HEMI 09 + present-2 This compressor is pre-filled with OE-specified oil Manufactured and tested to the strictest OE standards for exceptional performance Internal O-rings and seals are compatible with both R12 and R134a refrigerants Snap rings designed to improve performance in extreme heat Thrust bearings that are structured to withstand tension and stress --for maximum durability Pistons are PTFE surface treated for smooth, efficient operation Valve, shaft and swashplates are designed with a lightweight aluminum alloy for added strength Refrigerant type R134a Maximum diameter of the coupling 125.0 mm Quantity of mounting hole compressor 3 Type of belt Serpentine Mounting type Bolt Tangent DODGE RAM 1500 PICKUP 2009-2010 DODGE RAM 2500 PICKUP 2009-2010 DODGE RAM 3500 PICKUP 2009 RAM 1500 2011-2012 RAM 2500 2011-2019 RAM 3500 2011-2019 RAM 4500 2014-2016 RAM 5500 2014-2016 OEM / Interchange Numbers: 55111442AG