How do I confirm pilotpart850963-8999854833912 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

Radiator Fan 4931778 for Cummins Engine 4BT 6BT B3.9L 4BTA 4BTAA B5.9L 6BTA 6(Ship to US Only)

For Cummins Radiator

Radiator 4931778 for Cummins

OEM / REF: 4931778SKU: pilotpart850963-8999854833912

Radiator Fan 4931778 for Cummins Engine 4BT 6BT B3.9L 4BTA 4BTAA B5.9L 6BTA 6(Ship to US Only) is a Radiator replacement part for Cummins HVAC Parts, categorized under HVAC Parts > Radiator. Use OEM part number 4931778 and confirm machine model, engine model, and serial details before checkout.

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$99.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 22 – Oct 29
10	Oct 20 – Oct 27
50	Oct 18 – Oct 25

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.

Radiator Description

This Radiator is indexed for Cummins Cummins Engine 4BT 6BT B3.9L 4BTA 4BTAA B5.9L 6BTA 6BTAA. Compare reference number 4931778 against the label on your existing Cummins component before ordering.

Before checkout, compare OEM part number 4931778, 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

4931778

Applications

Cummins Cummins Engine 4BT 6BT B3.9L 4BTA 4BTAA B5.9L 6BTA 6BTAA

Fitment Notes

Brand or application signal: Cummins HVAC Parts
Product family: Radiator
System category: HVAC Parts > Cooling System Components > Radiator
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.