The Yanmar service manual calls for lube oil filter to be;
Type.............................................. Full flow, paper element
Filtration area..................................0.10m2
Discharge volume.............................30 l/min
Pressure loss...................................0.3 - 0.5 kg/cm2
By-pass valve regulating pressure........0.8 - 1.2 kg/cm2
Mostly useless info when using the cross book,
Brooksie gave what you will use to find what works,
Motor Oil filter variables:
Container volume
Gasket diameter
Nipple size 1/2, 3/4, 1" NPT or metric
Check valve yes,no
Relief valve yes, no
Relief valve pressure
Media type
Media size in microns
Good hunting,
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