Genuine Caterpillar Filter 156-1200 comes with IHD Strap wrench. Built to extend the life of your secondary filter and precision fuel system components. Ultra High Efficiency Fuel Water Separators provide unsurpassed control to ensure that only clean fuel reaches your engine. * All fitment filter part numbers are based on your engine serial number. * Please confirm with our team if you are unsure this filter will fit your engine.