BOSTECH WP04278 WATER PUMP 1998-2007 DODGE 5.9L DIESEL | 3.9L DIESEL 4BT

Bostech's line of new heavy-duty water pumps are backed by our 24-month unlimited mileage warranty. We offer 50 plus skus covering most diesel engine applications. Our pumps are quality engineered according to the OEM's design and assembled with high-performance bearings, durable long-lasting seals, and for most applications upgraded impellers. Top-quality product direct from a Trusted Manufacturer - Bostech!

Engine Fitment:

• Cummins 3.9L B Series
• Cummins 5.9L ISB

Technical Information:

• Housing Material: Cast Iron
• Impeller Material: Steel
• Impeller Vanes" Open 5 Vanes
• Pulley Style: Smooth with Slant top
• Pulley Diameter: 3.464 in / 88mm
• Mounting: 2 Bolt

Note: There are 3 Cummins 5.9L Water Pumps which look identical with the exception of the impeller, please verify:

• WP03300 - Steel Impeller with 5 shielded vanes
• WP03302 - Cast Iron Impeller with 7 vanes
• WP04278 - Steel Impeller with 5 open vanes

BOSTECH WP04278 Water Pump is meticulously engineered to deliver superior performance for 1998-2007 Dodge vehicles powered by the robust 5.9L and 3.9L diesel engines. Crafted from durable cast iron, this heavy-duty water pump stands out with a precision-designed housing that ensures longevity and reliability. Its high-performance steel impeller, featuring five open vanes, optimizes coolant flow, enhancing engine efficiency and preventing overheating during heavy-duty operations.

Bostech is dedicated to quality, and this water pump reflects their commitment with upgraded components designed to meet and exceed OEM specifications. Each unit is assembled with top-tier bearings and long-lasting seals, helping to maintain optimal performance under challenging conditions. The BOSTECH WP04278 is precision-made to fit Cummins 3.9L B Series and 5.9L ISB engines, making it the ideal choice for those seeking a dependable replacement part.

This water pump is not just about durability; it's backed by a generous 24-month unlimited mileage warranty, giving customers peace of mind and reinforcing Bostech's status as a trusted manufacturer in the diesel engine repair market. The smooth slant-top pulley, measuring 3.464 inches in diameter, ensures seamless integration into your vehicle’s existing system.

It’s essential to note that while several Cummins 5.9L water pumps may look alike, the WP04278 is distinct with its steel impeller and five open vanes. When selecting a water pump, verifying the specific model is critical for optimal performance. Elevate your engine's reliability with the BOSTECH WP04278 Water Pump, the choice for those who demand quality and performance in heavy-duty applications.