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3909888 Fan Blade Hub for Cummins 4B 4BT 6B 6BT Fan Hub 4932912
$137.59
Sale price
$137.59
Regular price
Available to Order
This Fan Blade Hub is a high-quality aftermarket replacement part compatible with Cummins 4B, 4BT, 6B, 6BT and matches OEM Part# 3909888, 4932912.
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
This Fan Blade Hub is engineered to provide reliable cooling performance for Cummins B-series engines. Constructed from high-strength materials, it serves as a robust replacement for the original equipment, ensuring long-lasting service life under demanding conditions.
Key Features & Performance
- Direct Fitment: Manufactured to the same dimensions as the original part for a seamless installation.
- Heavy-Duty Build: Designed to handle the rotational stresses and thermal cycles of diesel engines.
- Balanced Operation: Helps maintain engine efficiency by providing a stable mount for the cooling fan.
Fitment & Compatibility
- Compatible Models: Cummins 4B, 4BT, 6B, 6BT Engines
- Part Number(s): 3909888, 4932912
Technical Specifications
- Component Type: Fan Blade Hub
- Engine Series: Cummins B-Series
- Installation Type: Bolt-On
Frequently Asked Questions
- Q: Will this work for a 6BT engine used in a Dodge Ram? A: Yes, this fan hub is compatible with 6BT engines commonly found in various applications, though you should verify the OEM part number matches your specific setup.
- Q: Is the bearing included with the hub assembly? A: This component is the hub itself; please check your existing assembly to determine if additional bearings are required for your specific repair.
Compatibility may vary by serial number. Verify fitment before purchase.