This replacement water pump for Ford 850 restores cooling performance on 4-cyl Ford tractors in the 600/601/800/801/850/860 series. Built with a cast housing and pressed steel impeller, it mounts like the original and includes the mounting gasket for a clean install.

Replaces: CDPN8501C (also searched as cdpn-8501c).
Fits (gas models): Ford 600, 601, 800, 801, 850, 860.
What’s included: Assembled water pump + gasket (pulley hub pre-installed).
Common symptoms: coolant leak at weep hole, bearing noise, overheating at idle.
Notes: Verify 4-cyl fitment; not for NAA “Golden Jubilee” if using the earlier pump style.