Water Pump w/ Gasket RE70250 AR64092 fits John Deere 644B 646 646B
It fits the John Deere Industrial / Construction 644B, 646, and 646B. (NOTE: replaces SE500921, AR64092, AR76327, AR98559, RE20772, TY6736). Replaces: RE20772, AR98559, AR76327, AR64092, TY6736 – John Deere Re-Man#.