4386577RX Water Pump Suitable for Cummins ISX15 CM570 High Quality

The OE number 4386577RX identifies a water pump fitted to ISX15, CM570, CM870 and other listed engines. We stock a direct replacement built to the same shaft and pulley heights. One pump weighs   kg; a full carton holds  .

Which engines use the 4386577RX water pump?

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

If your engine tag matches any entry above, this pump is the right replacement.

What are the specifications of 4386577RX?

What part numbers interchange with 4386577RX?

Dealers and fleet systems quote this pump under more than one OE number:

• 3683651
• 3684449
• 3684450
• 3687044
• 3687045
• 3687130
• 3687590
• 3687900
• 3688384
• 4386576NX

Packing and quality checks

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

Before boxing, each pump passes a negative-pressure leak check and a hand-rotation check for smooth, noise-free bearing movement.

Frequently asked questions

What vehicles or engines does 4386577RX fit?

4386577RX 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 4386577RX?

4386577RX interchanges with 3683651, 3684449, 3684450, 3687044, 3687045, 3687130 and 4 more. All of these refer to the same water pump assembly.

Is 4386577RX 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 4386577RX water pump weigh?

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

How do I confirm 4386577RX 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.

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.