You struck gold if you purchased this pump for $50… I rebuild air compressor pumps professionally, focusing on Champion, Kellogg-American, and Quincy products. Those are the only three brands that will outlive my children and have readily available parts if needed. Your REN-7 should need...
A late update for Chupynapy or others with the same question on Champion Porta-Champ Air Compressors: Pacific Air Compressor in Portland OR has the parts necessary for these pumps, the 1/2 HP model most likely being the CV-1.
Piston Ring Set: $70
Gasket Set: $19.00
I am not an employee of...
Mule,
You and I are working on the exact same compressors, yours being a few hundred serial numbers older than mine.
Our air compressor units (tank & pump) are American Brake Shoe Company/Kellogg Division Models “B 321 B” (by itself the pump is Model 321). Going by the last Patent Number on...