FlowKooler Water Pump, Ford 351M/400M SKU: 795015

FlowKooler Water Pump | Ford 351M & 400 Engine

Designed specifically for Ford 351M and 400 engines, the FlowKooler 1648 high-flow water pump addresses low-speed overheating issues common in heavy-duty and off-road applications. Its CNC-machined billet aluminum impeller features 16 vanes with reduced clearance, effectively doubling coolant flow at idle and low RPMs. This design enhances heat dissipation, reduces engine temperatures by up to 30°F, and prevents the formation of steam pockets, ensuring consistent performance during demanding conditions.

• Vehicle Compatibility: Ford vehicles equipped with 351M or 400 engines

• Part Number: FlowKooler 1648

• Material: Cast iron housing with military-grade Type II Class II anodized coating for corrosion resistance

• Impeller Design: 16-vane CNC-machined billet aluminum impeller with reduced clearance for optimal flow

• Performance Benefits:

  • Doubles coolant flow at idle and low RPMs

  • Reduces engine temperatures by up to 30°F

  • Prevents steam pocket formation and cavitation

  • Increases block pressure to eliminate hot spots

• Installation Notes:

  • Clockwise rotation with driver's side lower radiator hose inlet

  • Includes mounting gaskets and installation instructions

  • Recommended to use with a high-flow thermostat for maximum efficiency

Combat low-speed overheating in your classic Ford 351M or 400 engine with the FlowKooler water pump - doubles coolant flow and keeps your engine running cool.