Yanmar B22-2 grey market unit
These grey market units are sometimes hard to find parts for since at least the ones I’ve seen have no serial numbers. So here are some numbers and conversions I have found over the years.
Air Filter:
Napa 6270
Oil Filter:
Napa 1334
Wix 51334

Generic Information
My unit has the 3TN75L-RB (RB1) engine in it. It’s a good solid 3cyl diesel engine that rarely has any problems.
Water pump:
119802-42000
Thermostat:
Don’t quote me on this one. My unit has an off center thermostat and the book says it should be a strait one.
FidayParts 129155-49801
Fuel Filter:
119810-44650
Fuel Screen:
My unit has 2 fuel filter bodies, one is a cartridge and the other is this screen
171081-55910
Fleetguard FF5386
Baldwin PF7869
Fuel Cap:
Took me too many years to track down a replacement. It fits a little tight but that’s the way any good Cockford-Ollie tool should be.