4b3.9 6b5.9 Engine 3285414 3285410 3286278 3286275 3286277 4935793 5473238 Water Pump for Construction Machinery Diesel Engine Parts

4b3.9 6b5.9 Engine 3285414 3285410 3286278 3286275 3286277 4935793 5473238 Water Pump for Construction Machinery Diesel Engine Parts. The 3286277 Water Pump is a high-performance OEM-grade cooling component for Cummins B-series 3.9L and 5.9L diesel engines. the 3286277 water pump eliminates common overheating issues, prevents engine thermal damage, and extends the service life of cooling system components. It serves as a perfect drop-in replacement for fleet trucks, agricultural machinery, construction equipment, and industrial diesel generators with zero modifications required.