5406048RX Water Pump Suitable for Cummins ISX15 High Quality

5406048RX is how Cummins lists this water pump. It serves ISX15 engines. Our version copies the OE mounting pattern and impeller geometry, so it drops in without modification. Cross-reference: 3691304RX, 3692908, 6305090RX.

Which engines use the 5406048RX water pump?

Fitment covers ISX15.

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

What are the specifications of 5406048RX?

What part numbers interchange with 5406048RX?

One pump, many part numbers. The full cross list:

• 3691304RX
• 3692908
• 6305090RX

Packing and quality checks

Each pump is packed individually; a master carton holds   pieces at   kg gross.

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 5406048RX fit?

5406048RX fits ISX15 engines. It is a Cummins application water pump, and our aftermarket unit replaces it directly.

What other part numbers replace 5406048RX?

5406048RX interchanges with 3691304RX, 3692908, 6305090RX. All of these refer to the same water pump assembly.

Is 5406048RX 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 5406048RX water pump weigh?

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

How do I confirm 5406048RX 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.

Bulk pricing starts at one carton. Ask for a quote with your target quantity.

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