I have a few Complete Rebuild kits for sale here. I checked everywhere else, and these are 129.00 there. The Kits come complete with a full service manual. I, m showing the last few pictures of Regulators that these are used for..Regulators # 651780-A1A-B and 651790-A1D-B. These kits may also fit other models. The item "Ingersoll Rand ARO Downstream Air pressure regulator Rebuild KIT 637219-2A1-B" is in sale since Friday, March 10, 2017. This item is in the category "eBay Motors\Parts & Accessories\Wholesale Lots\Tools". The seller is "dragar85" and is located in Minneapolis, Minnesota. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Bahamas, Viet nam, China, Mexico, Peru.