Originally Posted by DIY.MechanicMike
Here sum helpful info for anyone doing same as I have here but I got some part numbers;
Rear inner hub seal(presses in inner bearing/cup)-36314
Rear upper and lower wheel cylinder(same for my rig)-37241
And these are napa part numbers and they are located everywhere
Those are definitely NOT the same wheel cylinders that are on my rig. 1969 C50.

I usually answer to Todd
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Daily Drivers:
2005 Chevrolet Silverado 3500 DRW 6.6L LLY/Allison 5 Speed
1989 GMC C7000 TopKick Pickup 3208T Caterpillar/Eaton-Fuller 6 Speed

Project Truck (SOLD):
1969 C50 Farm Truck 292c.i. w/SM465 tranny and 2-speed rear