Notes: [Closed Impeller w/OUT O-Ring Groove]

OEM Numbers:5406048RX, 5406048X, 5719754, 5719754RX, 6305090, 5406048, 6305090RX, 5719755, 3687810, 3692580, 3691299

Water Pump For Cummins ISX Engines

Keep your Cummins ISX engine running cool and efficient with this high-quality 5406048 Water Pump. Designed as a direct OEM replacement, this pump delivers reliable coolant circulation, preventing overheating and maintaining optimal engine performance under heavy-duty conditions.

Built from premium-grade materials and precision-machined for durability, this Cummins ISX water pump ensures long service life, consistent flow rate, and reduced maintenance downtime. Perfect for fleet operators, rebuild shops, and owner-operators seeking factory-level fit, form, and function.

• OEM-quality replacement for Cummins ISX engines
• Durable construction ensures extended service life
• Prevents overheating and coolant flow issues
• Precision-balanced impeller for smooth, quiet operation
• Ideal for on-road, industrial, and vocational applications

Compatible With

Cummins ISX and ISX15 Diesel Engines

Direct replacement for OEM Part Number 5406048

Recommended Use

Heavy-duty trucks

Construction and industrial machinery

Engine rebuild and maintenance projects