Cummins ISX15 X15 Water Pump | 3692580 | Closed Impeller | New

New Memoparts water pump for Cummins ISX15 / X15 / QSX15 (EPA17) engines — Cummins reference 3692580. This is the closed-impeller version, with an impeller that has no O-ring groove — match your existing pump's impeller type before ordering. It's a direct-fit replacement that restores engine coolant flow. No core charge.

Key Features:

• Closed-impeller design — impeller without an O-ring groove (match to your existing pump)
• Fits Cummins ISX15 / X15 / QSX15 engines, EPA17 emissions era
• Cast-iron construction
• Direct replacement for Cummins reference 3692580
• New Memoparts aftermarket pump — no core charge

Specifications:

• Base part number: 3692580
• Component type: Engine water pump (coolant pump)
• Condition: New
• Brand: Memoparts
• Engine application: Cummins ISX15 / X15 / QSX15 (EPA17)
• Impeller: closed, without O-ring groove
• Material: cast iron

Compatibility / Fitment:

• Cummins ISX15 / X15 / QSX15 engines, EPA17 emissions era (~15L / 14.9L)
• Variant gate (important): the ISX15 EPA17 water pump was built in more than one impeller configuration — this is the closed impeller, no O-ring groove version. Match your existing pump's impeller type and O-ring groove before ordering, or the replacement may not seal or fit correctly
• Also referenced for Cummins ISX12 G and QSK60 by some sources — confirm before relying on it
• Confirm engine family, EPA era, and CPL/engine serial in Cummins QuickServe
• Verify against the part number on the pump being replaced

Cross-References / Interchange:

• Cummins 3692580 — this closed-impeller, no-O-ring-groove version

Conclusion: The Memoparts 3692580 is a new closed-impeller water pump (without O-ring groove) for Cummins ISX15 / X15 / QSX15 EPA17 engines. It's a direct replacement that restores engine coolant flow — just match your existing pump's impeller type before ordering.