How do I confirm pilotpart789075-8516464967928 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

Ribbed Belt 3911584 for Cummins 4B 4BT 6B 6BT Engine

For Cummins Belt

Belt 4BTA for Cummins

Q: What part numbers are associated with this Belt?

4BTA, 4BTAA/B5.9L, 6BTA, 6BTAA, 3911584

OEM / REF: 4BTASKU: pilotpart789075-8516464967928

Ribbed Belt 3911584 for Cummins 4B 4BT 6B 6BT Engine is a Belt replacement part for Cummins Seals, Filters & Maintenance Parts, categorized under Seals, Filters & Maintenance Parts > Belt. Use OEM part number 4BTA and confirm machine model, engine model, and serial details before checkout.

Stock: In stock
Condition: New
Fitment: Cummins Seals, Filters & Maintenance Parts
Category: Belt

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$37.38USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 21 – Oct 28
10	Oct 19 – Oct 26
50	Oct 17 – Oct 24

Estimates from today; confirm exact lead time before payment.

Quantity

Confirm fitment before ordering →

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

Belt Description

This Belt is indexed for Cummins s: Cummins Engine:B3.9L, 4B, 4BT, 4BTA, 4BTAA/B5.9L, 6B, 6BT, 6BTA, 6BTAA. Compare reference number 4BTA against the label on your existing Cummins component before ordering.

Additional cross references on file: 4BTAA/B5.9L, 6BTA, 6BTAA. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

4BTA4BTAA/B5.9L6BTA6BTAA 3911584

Applications

Cummins s: Cummins Engine:B3.9L, 4B, 4BT, 4BTA, 4BTAA/B5.9L, 6B, 6BT, 6BTA, 6BTAA

Fitment Notes

Brand or application signal: Cummins Seals, Filters & Maintenance Parts
Product family: Belt
System category: Seals, Filters & Maintenance Parts > Maintenance Components > Belt
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.