Engine Water Pump Cummins 4089908 | 3680344, 4026702, 3681106, 4920463

High-Performance Engine Water Pump for Cummins ISX & QSX

Keep your heavy-duty diesel engine running at its optimal operating temperature with the premium replacement Cummins 4089908 engine water pump. Designed specifically for demanding applications, this water pump ensures consistent and efficient coolant circulation, protecting your engine from overheating and reducing downtime. This part is also available under the numbers: 3680344, 4026702, 3681106, and 4920463.

Reliable Cooling for Heavy-Duty Applications

Engineered to meet or exceed standard specifications, this water pump features a robust construction that withstands high pressures and extreme thermal cycles. It comes equipped with a 10-groove pulley, ensuring precise belt alignment and efficient power transfer from the drive system. Whether you are operating on-highway trucks or industrial machinery, this pump delivers the durability and reliability your fleet demands.

Engine Compatibility & Fitment

This water pump is compatible with a wide range of Cummins heavy-duty diesel engines, including:

• Cummins ISX11.9
• Cummins ISX15
• Cummins QSX15

Key Features & Specifications

• Pulley Configuration: 10-groove (10-rib) pulley for secure belt engagement
• Heavy-Duty Construction: Built with high-strength materials to resist wear and corrosion
• Leak-Free Performance: Precision-machined sealing surfaces and high-quality internal seals prevent coolant loss
• Direct Fit: Designed for straightforward installation without modifications

Cross-Reference / Interchange Part Numbers

This part replaces / is interchangeable with the following part numbers:

• 4089908
• 3680344
• 4026702
• 3681106
• 3680411
• 4059254
• 4920463
• 4923759
• 4089908NX