3687900 Water Pump Suitable for Cummins ISX15 CM570 High Quality

Looking for 3687900? It is the Cummins OE reference for a cooling water pump used on ISX15, CM570, CM870 and other listed engines. The replacement we supply keeps the same fit and pulley dimensions. Net weight   kg, packed   per carton.

Which engines use the 3687900 water pump?

The OE application list reads: ISX15; CM570; CM870; CM871.

Any engine on this list takes our replacement as a straight swap.

What part numbers interchange with 3687900?

Parts books from different markets list this pump under several numbers. All of them point to the same unit:

• 3683651
• 3684449
• 3684450
• 3687044
• 3687045
• 3687130
• 3687590
• 3688384
• 4386576NX
• 4386577RX

What are the specifications of 3687900?

Packing and quality checks

For shipping estimates, count on   pumps per carton (  kg, —).

We leak-test each unit at a negative pressure of 0.1 MPa, then spin it by hand to confirm free rotation.

Frequently asked questions

What vehicles or engines does 3687900 fit?

3687900 fits ISX15, CM570, CM870 and other listed engines. It is a Cummins application water pump, and our aftermarket unit replaces it directly.

What other part numbers replace 3687900?

3687900 interchanges with 3683651, 3684449, 3684450, 3687044, 3687045, 3687130 and 4 more. All of these refer to the same water pump assembly.

Is 3687900 available from stock?

Yes, this number is in regular production. Lead time for carton quantities is usually a few days; ask us for current stock before ordering.

How much does the 3687900 water pump weigh?

One pump weighs   kg net. A full carton of   pieces comes to   kg gross.

Message us with the OE number off your old pump. We reply with fitment confirmation and a price the same day.

Send the OE number, your quantity and your destination port — feel free to Contact Us. We reply with fitment confirmation and a quote.