3286278 Cummins Water Pump For 4B 6B ISB QSB Series

Product Overview:

The 3286278  Heavy-duty DCEC water pump for Cummins 4BT3.9/6BT5.9 ISB/QSB 5.9L/6.7L. Built with thick cast iron housing, reinforced bearings, FKM seals and steel impellers for great vibration, cavitation and leak resistance. Reliable for 24/7 full-load use on heavy trucks, construction machinery and generators in harsh conditions.

3286278  Water Pump Specification:

Key Features：

✅Full-range flow eliminates engine overheating
✅Hardened pulley reduces belt wear
✅Integrated seal prevents coolant leaks
✅ Direct OEM fit, fast 50% quicker installation

Application：

✅Commercial trucks, buses, Dodge Ram 5.9L pickup
✅Construction loaders, excavators & heavy machinery
✅ 60–194kW standby diesel gensets
✅Oilfield, marine, sanitation & special vehicles

Why Choose Us?

✅matched, leakproof & long-lasting

✅ Covers B/ISB/QSB engines
✅Budget price with factory reliability
✅ Ready stock, global ship, comes with O-ring