This water pump set is a new aftermarket replacement for Cummins B3.3, QSB3.3, QSB4.5, and ISBe diesel engine applications. It is designed to replace worn, leaking, or failed water pumps and help restore proper coolant circulation and engine temperature control. This listing includes the water pump and gasket as shown. Common replacement part number: 3800883. Also commonly cross-referenced with 4981207, 4982086, 5301479, 5254965, 68055887, 3800885, C6204611600, C6204611601, and 6204-61-1601. Please verify your original part number, engine model, and pump style before ordering. Different Cummins 3.3L and 4.5L applications may use different water pump versions. If you are unsure, compare your old pump with the photos and part numbers before purchase.
Compatible Engines: Replacement water pump with gasket for Cummins B3.3, QSB3.3, QSB4.5, and ISBe diesel engines. Commonly used on industrial, construction, forklift, excavator, loader, and equipment applications.
Replacement Part Numbers: Replaces 3800883, 4981207, 4982086, 5301479, 5254965, 68055887, 3800885, C6204611600, C6204611601, and 6204-61-1601. Please compare your original pump number before ordering.
Complete Pump Set: Includes water pump and gasket as shown. Designed to help restore proper coolant circulation and engine temperature control when the original pump is leaking, noisy, or worn.
Fitment Check Required: Please verify your engine model, engine serial number, and original part number. This pump may not fit every Cummins 3.3L or 4.5L application because different versions may use different pump designs.
Aftermarket Replacement: This is a new aftermarket replacement part for fitment reference only. It is not a genuine Cummins part. Brand names and part numbers are used only to identify compatibility.