How do I confirm pilotpart100813 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

Alternator 3936680 12V 55A for Cummins Engine 6BT 6BT5.9

For Cummins Alternator

Alternator 3936680 for Cummins

Q: What part numbers are associated with this Alternator?

3936680, 393668000, 26021253, 6BT5.9, 275415400101

OEM / REF: 3936680SKU: pilotpart100813

Alternator 3936680 12V 55A for Cummins Engine 6BT 6BT5.9 is a Alternator replacement part indexed for Part Number and Cummins s: Fit for Engine: Cummins 6BT, 6BT5.9. Match OEM part number 3936680 and confirm fitment for Cummins Engine Spare Parts before ordering.

Stock: In stock
Condition: New
Fitment: Cummins Engine Spare Parts
Category: Alternator

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$298.99USD/EA

~~$42,499.00~~Save 99%

Estimated delivery by quantity

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

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.

Alternator Description

This Alternator is indexed for Part Number; Cummins s: Fit for Engine: Cummins 6BT, 6BT5.9. Compare reference number 3936680 against the label on your existing Cummins component before ordering.

Additional cross references on file: 393668000, 26021253, 6BT5.9. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

3936680 393668000 26021253 6BT5.9 275415400101

Applications

Part Number
Cummins s: Fit for Engine: Cummins 6BT, 6BT5.9

Specifications

Part Number	3936680

Fitment Notes

Brand or application signal: Cummins Engine Spare Parts
Product family: Alternator
System category: Engine Spare Parts > Engine Auxiliary Components > Alternator
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.