Application Compatible for Dodge Ram 1500 2003-2008 compatible for Ram 2500 2003-2008 compatible for Ram 3500 2003-2008OE/ Part number CO10802C, 77398, 55056336AA, 55056336AB, 55056336AC, RL056336AC, 10S17 E Specification Voltage : 12V Pulley Diameter : 113mm ① Compressor Type: 10S17E ② Oil Type: PAG100 ③R-efrigerant Type: R-134A ④ Pulley Grooves: 7 ⑤ Clutch Included: Yes ⑥ Oil Prefilled: 180±10 ml Package included 1 x compatible for AC Compressor w/ Cluth Feature Vehicle Compatibility Rapid Refrigeration Energy Saving Sturdy Aluminum Structure Fully Tested & Easy Installation Note Please check your model & part number carefully before ordering. The brand names used above are for compatibility reference only. This compressor is Prefilled with OE-Specified Oil