This is a Honda thread. The Oz Subbies must use the 3/4-16 or Toyota/Nissan (US version anyway) thread for an EaO26 to fit.
Part Number: 51334
UPC Number: 765809513341
Principal Application: Acura (88-05), Chevrolet (85-88), Dodge (91-96), Ford (88-96), Honda (72-08), Hyundai (89-08), Isuzu (85-04), Kia (01-08), Mercury (87-91), Mitsubishi (89-98), Subaru (87-08) Atlas-Copco, Case, John Deere, Kobelco, Komatsu, Kubota, Onan, Toro & Yanmar Diesel, Other
All Applications
Style: Spin-On Lube Filter
Service: Lube
Type: Full Flow
Media: Paper
Height: 3.194
Outer Diameter Top: 3.252
Outer Diameter Bottom: Closed
Thread Size: 20X1.5 MM
By-Pass Valve Setting-PSI: 8-11
Anti-Drain Back Valve: Yes
Beta Ratio: 2/20=22/40
Burst Pressure-PSI: 280
Max Flow Rate: 9-11 GPM
Nominal Micron Rating: 19
Gasket Diameters
Number O.D. I.D. Thk.
Attached 2.475 2.173 0.233
This here is probably a wash or a loss in volume.
Part Number: 51356
UPC Number: 765809513563
Principal Application: Acura (02-09), Chrysler Imports (92-06), Ford Probe (93-97), Honda (01-09), Infiniti/Nissan (96-08), Mazda (71-00), Mercury Villager (99-00), Mitsubishi (90-09), Saturn (04-07), Outboard Marine Engines, Various HD Equip.
All Applications
Style: Spin-On Lube Filter
Service: Lube
Type: Full Flow
Media: Paper
Height: 3.402
Outer Diameter Top: 2.685
Outer Diameter Bottom: Closed
Thread Size: 20X1.5 MM
By-Pass Valve Setting-PSI: 8-11
Anti-Drain Back Valve: Yes
Beta Ratio: 2/20=6/19
Burst Pressure-PSI: 363
Max Flow Rate: 9-11 GPM
Nominal Micron Rating: 19
Gasket Diameters
Number O.D. I.D. Thk.
Attached 2.475 2.173 0.233
Here (the number from bpi) it's surely longer ..the bypass is up there with a Purolator.
Part Number: 51568
UPC Number: 765809515680
Principal Application: Komatsu Equipment, Yanmar Engines
All Applications
Style: Spin-On Lube Filter
Service: Lube
Type: Full Flow
Media: Paper
Height: 4.072
Outer Diameter Top: 3.234
Outer Diameter Bottom: Closed
Thread Size: 20X1.5 MM
By-Pass Valve Setting-PSI: 16
Anti-Drain Back Valve: Yes
Burst Pressure-PSI: 320
Max Flow Rate: 9-11 GPM
Nominal Micron Rating: 19
Gasket Diameters
Number O.D. I.D. Thk.
Attached 2.475 2.173 0.148