3687590 Water Pump Suitable for Cummins ISX15 CM570 High Quality

3687590 is how Cummins lists this water pump. It serves ISX15, CM570, CM870 and other listed engines. Our version copies the OE mounting pattern and impeller geometry, so it drops in without modification. Cross-reference: 3683651, 3684449, 3684450, 3687044, 3687045 and 5 more.

Which engines use the 3687590 water pump?

Fitment covers ISX15; CM570; CM870; CM871.

When in doubt, compare the old pump pulley height against our spec table below — it settles most fitment questions.

What are the specifications of 3687590?

What part numbers interchange with 3687590?

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
• 3687900
• 3688384
• 4386576NX
• 4386577RX

Packing and quality checks

Logistics data:   pcs/ctn,   kg gross, —.

Every pump leaves the line after a leak test at a negative pressure of 0.1 MPa. No leaks, no exceptions.

Frequently asked questions

What vehicles or engines does 3687590 fit?

3687590 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 3687590?

3687590 interchanges with 3683651, 3684449, 3684450, 3687044, 3687045, 3687130 and 4 more. All of these refer to the same water pump assembly.

Is 3687590 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 3687590 water pump weigh?

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

Not sure this is your pump? Send a photo of the old unit and the engine tag; we will match it.

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