Even if two pieces of equipment share the same year/make/model, they can and often do have different part numbers. The only way to ensure the correct replacement part is with the OEM part number. You are responsible for verifying the OEM part number. If you are unsure or need assistance, send us an.##xA0;with any concerns or issues before leaving feedback. Your satisfaction is our top priority! Orders placed before 7 a. First-Class and Expedited services available. Welcome to The ROP Shop! Your one stop shop for Rugged Outdoor Products. We are a large parts supplier / distributor for consumer and commercial buyers world wide. This listing is currently undergoing maintenance, we apologise for any inconvenience caused. The item "New 3000 psi POWER PRESSURE WASHER WATER PUMP Troy Bilt 1903 1903-0 1904 1904-0" is in sale since Friday, September 27, 2013. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Outdoor Power Equipment\Pressure Washers". The seller is "theropshop" and is located in Bluffton, Indiana. This item can be shipped worldwide.