New airless pump, , good working condition, every pump is performance tested with hydraulic oil Please shake the pump several times before installing it to prevent the internal steel ball from sticking to the alloy plate, which may cause the product to not work properly. 246428 Airless Pump fits 390, 395, 495, 595, 695 and for LineLazer 3400 sprayers. NOT fit for Max 395/495/595. When the sprayer starts to lose pressure, do not damage the sleeve or piston by continuing to , connect a new aftermarket pump to the sprayer to increase pressure All parts are included in the pump (244194 repack kit, 243181 piston valve, 249125 rod, 243176 cylinder, 193047 packing number and 15B611 intake valve), Weight: 3.14930341267 Pounds, Manufacturer: Hipzeepo