Product Features & Part Number. Item cannot have been installed, sealed packages opened or parts missing etc. Feedback is very important to me and I do everything I can to keep my customers happy. The item “Parker Tandem Hydraulic Pump 7020120037 332-135609 Spline Shaft NEW” is in sale since Thursday, December 28, 2017. This item is in the category “Business & Industrial\Hydraulics, Pneumatics & Pumps\Pumps & Pump Accessories\Hydraulic Pumps”. The seller is “skyline_mountain_express” and is located in South Jordan, Utah. This item can be shipped to United States.