This is an engine specific pump for the Cummins 210 hp 4B engine.
The M71 pump replaces the M71-01 and M70 pumps of yore.

Heavy duty design for gear drive
Mechanical seal for extended seal life
Bronze housing
Sealed ball bearing supported shaft
Neoprene impeller and Buna seal standard
Stainless steel shaft

M71 pump:
1-1/4" horizontal porting
Impeller Kit: 10615K
Impeller Dimensions: 1-5/8"W x 2-9/16" Dia.
Minor Repair Kit: 23976
Major Repair Kit: 23977