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Water Pump 5302446 5314728 5333149 for Cummins B4.5 F4.5 QSF3.8 ISF3.8 ISB4.5
$151.99
Sale price
$151.99
Regular price
Available to Order
This water pump is an aftermarket replacement for compatible Cummins B4.5, F4.5, QSF3.8, ISF3.8, and ISB4.5 engines.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
A dependable water pump keeps coolant moving through the engine during work, idle, and high-load operation. This replacement is intended for a pump that leaks, develops bearing play, makes noise, or no longer circulates coolant effectively.
It replaces 5302446, 5314728, and 5333149. Compare the housing, pulley hub, bolt pattern, and inlet shape before ordering.
Key Features & Performance
- Restores proper coolant circulation
- Helps address overheating caused by pump wear
- Designed for compatible Cummins compact and industrial diesels
- Direct replacement layout where specified
Fitment & Compatibility
Compatible with select Cummins B4.5, F4.5, QSF3.8, ISF3.8, and ISB4.5 engine applications. Confirm the engine serial number and original pump number.
Technical Specifications
- Product Type: Engine Water Pump
- Compatible Brand: Cummins
- Part Number(s): 5302446, 5314728, 5333149
- Condition: New
Frequently Asked Questions
Q: Do all 3.8L and 4.5L Cummins engines use this pump? A: No. Cooling-system layouts can vary, so use the engine serial number and original pump number to verify fitment.
Q: Is this an original OEM part? A: No. It is an aftermarket component made to replace the listed part in compatible equipment.
Compatibility may vary by serial number, production date, or equipment configuration. Verify fitment before purchase.