I know this is an old posting, but finally getting around to rebuilding this rear end. When I look for differential bearings they have different part numbers for the H072 axle -vs- H033or H035 -vs- Dana/Spicer 44 (which I know these are Danas). So do I have the H072 or H033?

Thanks again guys!

'53 Chevy Pickup, 235ci, 4 spd Saginaw, Fenton Headers, 2x1 Offy Intake, Monoleafs dropped front springs, 15" rally wheels