How do I confirm pilotpart105139 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

Engine Fan Blade Seat HUB 3900054 for Cummins 4B 4BT 4BTA 6B 6BT 6BTA Engine

For Cummins Fan

Fan 3900054 for Cummins 4B Engine

OEM / REF: 3900054SKU: pilotpart105139

Engine Fan Blade Seat HUB 3900054 for Cummins 4B 4BT 4BTA 6B 6BT 6BTA Engine is a Fan replacement part indexed for Cummins · 4B and Cummins · 4BT, with 3 application records on file. Match OEM part number 3900054 and confirm fitment for Cummins HVAC Parts before ordering.

Stock: In stock
Condition: New
Fitment: Cummins HVAC Parts
Category: Fan

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$151.99USD/EA

~~$18,999.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 23 – Oct 30
10	Oct 21 – Oct 28
50	Oct 19 – Oct 26

Estimates from today; confirm exact lead time before payment.

Quantity

Buy online now or add to your quote list for bulk pricing and fitment confirmation.

Confirm fitment before ordering →

Lead times can vary by freight route and customs. Contact support for expedited shipping.

Fan Description

This Fan is indexed for Cummins · 4B; Cummins · 4BT; Cummins · 4BTA; Cummins · 6B. Compare reference number 3900054 against the label on your existing Cummins component before ordering.

Before checkout, compare OEM part number 3900054, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.

Part Numbers and Cross References

3900054

Applications

Cummins · 4B
Cummins · 4BT
Cummins · 4BTA
Cummins · 6B
Cummins · 6BT
Cummins · 6BTA

Specifications

Part Number	3900054

Fitment Notes

Brand or application signal: Cummins HVAC Parts
Product family: Fan
System category: HVAC Parts > Cooling System Components > Fan
Recommended verification: OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability: InStock
Shipping: Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns: Returns are easier when fitment is confirmed before ordering.
B2B support: Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.