FlowKooler Water Pump, 351ci, 81 Ford Bronco SKU: FK1653

FlowKooler Water Pump | 1981 Ford Bronco 351ci

Designed specifically for the 1981 Ford Bronco equipped with the 351ci Windsor V8, the FlowKooler 1653 high-flow water pump addresses low-speed overheating issues common in off-road and heavy-duty applications. Its CNC-machined billet aluminum impeller features an increased vane count and 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: 1981 Ford Bronco with 351ci Windsor V8 engine

• Part Number: FlowKooler 1653

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

• Impeller Design: CNC-machined billet aluminum with increased vane count and 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

Combat low-speed overheating in your 1981 Bronco with the FlowKooler 1653 - engineered to double coolant flow and keep your engine running cool under pressure.