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Specifications

The PAI 181950 Water Pump Kit is engineered for Cummins 4B-Series (3.3 L) inline-four engines, commonly used in step vans and various commercial applications. As a direct replacement for OEM part 3800883, this kit includes the machined water pump, gasket, and O-ring—making installation straightforward and precise. Built to meet rigorous OE-quality standards in an ISO-certified facility, it delivers exceptional durability, heat resistance, and efficient cooling performance. The PAI kit is backed by a 2-year unlimited-mileage warranty and is sold by Wofford Truck Parts, making it a trusted choice for fleet maintenance, rebuilds, and high-demand diesel workflows.
Weight
16.82

Compatibility

Cummins 4B 3.3 L—step vans, medium-duty, industrial equipment (1980s–1990s)

Alternative Part Numbers

  • CUM3800883
  • Cummins 3800883
  • PAI 181950

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