Heavy duty aluminum bar and plate hydraulic oil cooler with or w/o bypass valve always reference to your oem numbers prior to buying! installation should be completed by a trained professional! assembly needs to be installed on the low pressure side of hydraulic circuit applications: fits mobile and industrial hydraulics our part number: 24589 – no bypass 24979 – 2 bar (29 psi) bypass 24980 – 5 bar (73 psi) bypass 24981 – 8 bar (116 psi) bypass core (finned area) dimensions: 11.8” x 9.7” x 2.56” inlet: -16 sae o-ring seal (1-5/16-12 un-2b) outlet: -16 sae o-ring seal (1-5/16-12 un-2b) diagnostic port: -8 sae o-ring seal (3/4-16 un-2b) overall dimensions: 19” x 13.5” x 2.56” replaces: cool line c-18, 4ujd7 max working temp: 250°f max working pressure: 360 psi oil flow (gpm): 0-60 heat removed (hp): 20 notes: reference performance graphs for proper sizing and mounting configuration