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SKU:
NLT2T03041
Ships for free in 2–4 business days.
Fan Hub 3909888 / 4932912 for Cummins 4B / 6B Engines
$137.59
In Stock
$137.59
Sale price
$137.59
Regular price
Replace a worn or damaged cooling-fan hub on a compatible Cummins B-series engine using the 3909888 / 4932912 hub references.
Estimated delivery between
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
- Cummins 4B, 4BT, 6B and 6BT engines with the corresponding fan-hub arrangement
Confirm the fan mounting pattern, shaft dimensions and belt drive setup; B-series cooling arrangements vary between machines.
Product Overview
The fan hub supports the engine cooling fan and keeps it running in line with the drive. Excessive bearing movement, wobble or unusual noise can lead to fan and radiator damage. Check mounting dimensions, pulley alignment and the exact engine arrangement before replacement.
Key Features & Performance
- Part supplied: Fan Hub 3909888 / 4932912 for Cummins 4B / 6B Engines.
- Purpose: Fan wobble, bearing noise or worn hub mounting.
- Part identification: 3909888.
OE / Reference Numbers
- 3909888
- 4932912 (supplier-listed references)
Common Reasons for Replacement
Fan wobble, bearing noise or worn hub mounting.
Frequently Asked Questions
How can I confirm this is the correct part? Confirm the fan mounting pattern, shaft dimensions and belt drive setup; B-series cooling arrangements vary between machines.
Is this a genuine OEM part? This listing is for a replacement part unless specifically identified as genuine OEM. Manufacturer names and OE references identify the intended application.
Part Summary
keywords: Fan Hub 3909888 / 4932912 for Cummins 4B / 6B Engines, 3909888, 4932912, Cummins 4B, 4BT, 6B and 6BT engines with the corresponding fan-hub arrangement
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.