Part Number: 1004089-16 (Reservoir to reservoir - top) Part Number: 1004089-17 (Pump to pump) Part Number: 1004089-18 (Reservoir to reservoir - bottom) Part Number: 1004089-19 (Return - powerpack to hand pump) Part Number: 1004089-20 (Up and down - powerpack to 4-way) Part Number: 1004089-21 (Up and down - 4-way cross to lef) Part Number: 1004089-22 (Up and down - 4-way cross to rig) Part Number: 1004089-23 (Up and down - 4-way cross to han) Part Number: 1004089-24 (Manifold to tee fitting) Part Number: 1004089-25 (Hand pump to manifold) Part Number: 1004089-26 (Powerpack to manifold) Part Number: 1004089-27 (Return - powerpack to hand pump) Part Number: 1004089-28 (Hand pump to manifold) Part Number: 1004089-29 (Powerpack to manifold)