3687045 Water Pump Suitable for Cummins ISX15 CM570 High Quality

3687045 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, 3687130 and 5 more.

Which engines use the 3687045 water pump?

This pump was designed for ISX15; CM570; CM870; CM871.

Match your engine model to the list and the pump will fit without rework.

What are the specifications of 3687045?

What part numbers interchange with 3687045?

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

• 3683651
• 3684449
• 3684450
• 3687044
• 3687130
• 3687590
• 3687900
• 3688384
• 4386576NX
• 4386577RX

Packing and quality checks

Packing runs   pumps per carton,   kg gross weight, carton size —.

Air-tightness is checked pump by pump under a negative pressure of 0.1 MPa before packing.

Frequently asked questions

What vehicles or engines does 3687045 fit?

3687045 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 3687045?

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

Is 3687045 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 3687045 water pump weigh?

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

How do I confirm 3687045 is the pump I need?

Check the OE number stamped on your old pump or in the parts book, then compare engine model and pulley height with the spec table on this page. If anything is unclear, send us a photo of the old unit.

Send us the OE number and your engine model — we confirm fitment before you order.

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