Description
The AFTER MARKET FOR Cummins 3684450 is a heavy-duty engine water pump designed specifically for ISX and ISX15 series diesel engines . This part is a critical cooling system component responsible for circulating coolant to maintain optimal operating temperatures and prevent engine overheating. Core Specifications & Features Pulley Design : Features a 12-rib (12-groove) pulley. Construction : Typically built with durable cast iron or steel to withstand high-pressure, heavy-duty applications. Configuration : Often sold as a "cartridge" or "assembly only," meaning it may not include the volute (outer housing), as the housing rarely fails and can be reused. Seal Requirements : Requires a specific O-ring (3684384) for proper installation and to prevent leaks between the pump and the housing. Engine & Vehicle Compatibility This pump is a direct replacement for various 15.0L Cummins engines, including models meeting EPA 07, EPA 10, and EPA 15 emissions standards. Engine Models : Cummins ISX, ISX15, ISZ, and QSX series. Specific Engine Versions : ISX CM570, CM870, CM871, and ISX15 CM2250/CM2350. Typical Vehicles : Often found in Class 8 long-haul trucks such as: Kenworth : T660, T680. Peterbilt : 379. Volvo : VNL 670. Freightliner : Cascadia P3. The Diesel Store +2 Cross-Reference & OEM Numbers The following part numbers are commonly interchangeable or replaced by the 3684450: Cummins : 3683651, 4386576, 5719763, 3687044, 3687045. Aftermarket : PAI 181914, Interstate-McBee M-3684450 , ATP 3695001-AGS
Great seller, good customer service, fast shipping, Item just as described. The quality is very good ,5 star seller highly recommended. Definitely will buy again from this seller.
Very good quality, price is right, quick response and delivery . Looking forward for more parts and variety in this condition’s
Great seller & amazing product with super fast shipping , Highly recommended , will do business again .
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