Cummins ISX15 Water Pump 4089911 4920466 | Diesel Engine Cooling System Part

Product Details

Product Overview

This premium Cummins ISX15 Water Pump (Part Numbers: 4089911, 4920466) is a critical component for maintaining optimal engine temperature in heavy-duty diesel applications. Designed for global distribution, this water pump ensures reliable coolant circulation for ISX15 engines found in Class 8 trucks, agricultural machinery, and industrial equipment. Serving major markets across North America, Europe, Asia-Pacific, and the Middle East, we offer fast shipping to industrial hubs and major ports worldwide.

Key Features & Benefits

• OEM-Grade Quality: Manufactured to meet or exceed original Cummins specifications for direct replacement.
• Enhanced Durability: Features a robust cast-iron housing and precision-engineered bearing for extended service life.
• Corrosion Resistance: Advanced coating on internal components protects against coolant degradation and cavitation.
• Leak-Proof Design: High-quality mechanical seal prevents coolant loss, ensuring consistent engine cooling.
• Easy Installation: Direct bolt-on fitment; no modifications required for ISX15 applications.

Technical Specifications

OEM Cross-Reference

This water pump replaces the following OEM part numbers:

• Cummins: 4089911, 4920466, 4089911RX, 4920466RX
• Fleetguard: WS92036
• Aftermarket Equivalent: PAI 4089911, HMP 4920466

Compatibility

• Engine Models: Cummins ISX15 (all variants: CM2250, CM2350, CM2450)
• Vehicle Applications:
  • Freightliner Cascadia, Columbia, Coronado
  • Kenworth T660, T680, T800
  • Peterbilt 386, 387, 389
  • International ProStar, LoneStar
  • Volvo VNL, VNM (with Cummins engine)
• Year Range: 2010–2018 (verify engine serial number for exact fitment)

Global Supply & Distribution

As a trusted supplier in the heavy-duty aftermarket, we provide worldwide shipping with efficient logistics. Our distribution network covers:

• North America: Fast delivery to Los Angeles, Houston, Chicago, Toronto, and Mexico City.
• Europe: Regular shipments to Rotterdam, Hamburg, Antwerp, and Dubai.
• Asia-Pacific: Direct routes to Shanghai, Singapore, Tokyo, and Sydney.
• Middle East & Africa: Service to Jebel Ali, Dammam, and Johannesburg.

We offer competitive freight rates for bulk orders and maintain stock for rapid dispatch within 24–48 hours. Export documentation, including commercial invoices and certificates of origin, is provided for hassle-free customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001:2015 certified facilities.
• Testing: 100% pressure-tested for leaks and flow rate compliance.
• Warranty: 12-month limited warranty against manufacturing defects.
• Certifications: Meets SAE J1908 performance standards for heavy-duty engine cooling systems.

FAQ

Q1: Will this water pump fit my 2015 Kenworth T680 with an ISX15?
A: Yes, this pump (4089911/4920466) is compatible with ISX15 engines in Kenworth T680 models from 2010–2018. Always confirm your engine serial number (ESN) to ensure exact match, as minor revisions may exist.

Q2: What is the recommended installation procedure for this water pump?
A: Drain coolant, remove fan and belt, then unbolt the old pump. Clean the mounting surface, apply a thin layer of gasket sealant, and install the new pump with included gasket. Torque bolts to 25–30 Nm (18–22 lb-ft). Refill coolant and bleed air from the system before starting.

Q3: How often should the water pump be replaced on an ISX15?
A: Typical replacement interval is 300,000–400,000 miles (480,000–640,000 km) or as part of a major overhaul. Premature failure signs include coolant leaks, bearing noise (squealing or grinding), and engine overheating. Regular inspection during cooling system service is advised.