3909888 Fan Blade Hub Fan Support for Cummins 4B 4BT 6BT Fan Hub 4932912

This Fan Blade Hub is a fan support assembly compatible with Cummins 4B, 4BT, and 6BT engines and matches OEM Part# 3909888 and 4932912.

Product Overview

This fan blade hub is a direct replacement fan support for Cummins 4B, 4BT, and 6BT diesel engines. It provides a stable mounting point for the fan blade, ensuring efficient engine cooling and reliable operation in industrial and agricultural equipment.

Key Features & Performance

• Precision-engineered to match OEM specifications for a secure fit
• Constructed from durable materials to withstand high operating temperatures
• Direct replacement for part numbers 3909888 and 4932912
• Ensures proper fan alignment to reduce vibration and wear
• Rigorous quality control for consistent performance

Fitment & Compatibility

• Cummins 4B engine series
• Cummins 4BT engine series
• Cummins 6BT engine series

Common Uses

• Replacement for worn or damaged fan hubs on Cummins diesel engines
• Used in generator sets powered by Cummins 4B, 4BT, or 6BT engines
• Ideal for agricultural tractors and irrigation pumps
• Commonly installed in industrial compressors and construction equipment

Technical Specifications

• Part Number(s): 3909888, 4932912
• Product Type: Fan Blade Hub / Fan Support
• Material: Cast metal

Frequently Asked Questions

Q: Will this fan hub fit my Cummins 6BT engine? A: Yes, this fan support is compatible with Cummins 6BT engines as well as 4B and 4BT models.

Q: Does this include the fan blade? A: No, this is the fan blade hub and support assembly only; the fan blade is sold separately.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.