PN#33211  SKU#9459  Style: Spin On Fuel Water Separator w/ Open End Bottom. Service: Fuel. Media: Enhanced Cellulose. Height: 4.65(118)*. Outer Diameter Top: 3.81(97)*. Outer Diameter Bottom: Closed:. Thread Size: 1-14. Burst Pressure-PSI: 300. Nominal Micron Rating: 14. Principle Application: Ford Trucks w/6.6L, 7.8L Diesel Engines (87-91) (14 Micron) – Can use 33426 which is a complete spin-on unit w/ drain (33211 cannot be used with heating unit).