This brand-new water pump assembly is designed for Cummins ISX and ISX15 engines, ensuring consistent coolant flow to protect your engine from overheating. Manufactured to meet or exceed OEM specifications, this pump is ideal for rebuilds, preventative maintenance, or replacing a worn unit in your on-highway truck.

Fits:
Cummins ISX / ISX15 Engines
(Verify fitment with engine serial number or CPL)

OEM Cross Reference Numbers:

  • 3683651

  • 3684450

  • 5719763

  • 4386576

Condition: New, high-quality aftermarket replacement
Application: Engine cooling system – coolant circulation

Features & Benefits:

  • Direct-fit replacement for OEM Cummins pumps

  • Engineered for high-flow, long-life performance

  • Helps maintain proper engine operating temperatures

  • Durable bearings and seals for reduced risk of leaks

  • Ideal for fleet maintenance or long-haul rebuilds

Weight

11.34 kg

Dimensions

8 X 8 X 10

We offer free standard ground shipping within the USA! If you need your parts in a hurry and would like to get them overnighted or expedited, please give us a call !

NOTE - CUT OFF TIME FOR SAME DAY SHIPPING IS 3PM CENTRAL TIME. ORDERS PLACED AFTER 3PM WILL SHIP OUT NEXT BUSINESS DAY. NEXTDAY SHIPMENTS THAT DO NOT ARRIVE ON TIME ARE NON-REFUNDABLE.
-FOR ORDERS INCLUDING HEAVY ITEMS(INFRAME KITS, HEADS,ETC.) PLEASE CHOOSE THE CORRECT SHIPPING AT CHECKOUT
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

NOTE - All open orders will have a 20% restocking fee. All returns will have a shipping fee.
1 YEAR WARRANTY
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4386576 | NEW CUMMINS ISX15 WATER PUMP | 3684450

$220.00

Engine Serial Number