This gun is a direct replacement and uses the same spare parts as the original gun. If you have any questions about whether this gun will fit your welder, please check out the above photos.The 2nd photo shows the connection where the welding gun connects to the welding machine; we included the dimensions so compare ours to yours to make sure it will fit. The 3rd photo shows the OEM connection for the trigger wires. This machine uses the small, 4mm OD plastic gas hose, and the gas valve is located in the gun handle. If installing this on a Firepower FP 120, please be sure your OEM gun does NOT have a threaded back end that is held on with a nut. If so, this gun will not work. Go to our store and see all the items we have for sale. Please send us a message if you have any questions on our items. The item "10' Firepower FP-200 Mig Welding Gun Torch Stinger Parts FP 130 160 Welder" is in sale since Wednesday, June 27, 2012. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Welding & Soldering Equipment\Welding\Welders, Cutters & Torches\MIG Guns & Torches". The seller is "usaweld" and is located in Elk Grove Village, Illinois. 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, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica.