Technical Specifications & Fitment – CDPN8501A
This water pump is a direct replacement for Ford N-Series tractors using OEM part number CDPN8501A. It is commonly used on Ford 8N, 9N, and 2N tractors and is designed to restore proper coolant circulation and engine cooling.
This information is based on verified data from trusted tractor parts suppliers and long-running tractor repair discussions.
Key Specifications:
Application: Engine cooling water pump
Includes: Water pump with pulley and mounting gaskets
Pulley: Included (pre-installed)
Cooling type: Mechanical engine-driven water pump
Replaces OEM / Reference Numbers:
CDPN8501A
Fits Ford Tractor Models:
Ford 8N
Ford 9N
Ford 2N
Used on Ford N-Series tractors manufactured approximately 1939–1952.
Ford 8N Tractor Water Pump Replacement Fits 8N 9N 2N CDPN8501A
Common signs include coolant leaks from the pump, engine overheating, wobbling pulley, grinding noise, or coolant dripping from the weep hole. These symptoms are frequently discussed by Ford 8N owners on tractor forums.

















