Principal Application: Cat, Mack, Volvo (For High Efficiency 100% Glass Media use 51791XE - For Performance between 51791 + 51791XE, use 57791 uses cellulose/glass blend) - For Extended Drain Version Use 51791XD)
Style: Spin-On Lube Filter
Service: Lube
Type: Full Flow
Media: Paper
Height: 10.365
Outer Diameter Top: 4.282 
Outer Diameter Bottom: Closed 
Thread Size: 1 1/8-16
By-Pass Valve Setting-PSI: None
Beta Ratio: 2/20=11/25
Burst Pressure-PSI: 330
Max Flow Rate: 18-20 GPM
Nominal Micron Rating: 20