{"id":2455,"date":"2026-03-26T10:35:15","date_gmt":"2026-03-26T10:35:15","guid":{"rendered":"https:\/\/yzdlparts.com\/?p=2455"},"modified":"2026-09-28T01:23:51","modified_gmt":"2026-09-28T01:23:51","slug":"comparaison-des-pompes-a-eau-pour-le-moteur-cummins-isx15","status":"publish","type":"post","link":"https:\/\/yzdlparts.com\/fr\/maintenance-guide\/cummins-isx15-water-pump-comparison\/","title":{"rendered":"Comparaison des pompes \u00e0 eau Cummins ISX15 : 3684449, 4089908, 4089909, 4089911 Diff\u00e9rences"},"content":{"rendered":"

Introduction<\/h3>\n\n\n\n

When it comes to the Cummins ISX15<\/a> engine, choosing the right water pump is critical for cooling efficiency and engine longevity. However, with multiple part numbers like CUMMINS<\/a> ISX15 water pump 3684449, 4089908, 4089909, and 4089911<\/strong>, it\u2019s easy to get confused. In this guide, we break down the key technical differences\u2014from volute housing designs to pulley sizes\u2014to help you identify the exact part you need.<\/p>\n\n\n\n

Pour un guide complet sur R\u00e9paration du moteur Cummins X15<\/a><\/strong>, consultez notre manuel technique.<\/p>\n\n\n\n

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1. Cummins 3684449: The Most Distinct Design<\/h3>\n\n\n\n

Cummins ISX15<\/a> pompe \u00e0 eau 3684449<\/strong> is the easiest to identify among the four. Its Water Pump Volute Housing<\/strong> is completely different from the other three models. It is designed for specific ISX15 configurations, and its unique housing shape means it cannot be interchanged with the 4089908 or 4089909 series. If your housing looks significantly different, 3684449 is likely your match.<\/p>\n\n\n\n

\"Cummins<\/figure>\n\n\n\n
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2. Cummins ISX15<\/a> water pump 4089908 vs. 4089909: Integrated vs. Split Housing<\/h3>\n\n\n\n

These two are often mistaken for each other, but the difference lies in the housing structure:<\/p>\n\n\n\n