How do I confirm pilotpart171795 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 Pulley 3925852 3918275 for Cummins Engine 4B3.9 6B5.9 6C8.3 B6.7 QSB3.9 QSB6.7 QSL9 QSB4.5 ISL9

For Cummins Alternator

Alternator 3925852 for Cummins

Q: What part numbers are associated with this Alternator?

3925852, 3918275, CU3925852, 6B5.9, 6C8.3, B3.3, B4.5, G8.3, NT743, G5.9, 392585200

OEM / REF: 3925852SKU: pilotpart171795

Alternator Pulley 3925852 3918275 for Cummins Engine 4B3.9 6B5.9 6C8.3 B6.7 QSB3.9 QSB6.7 QSL9 QSB4.5 ISL9 is a Alternator replacement part for Cummins Engine Spare Parts, categorized under Engine Spare Parts > Alternator. Use OEM part number 3925852 and confirm machine model, engine model, and serial details before...

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

$36.00USD/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

Confirm fitment before ordering →

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

Alternator Description

Cummins Alternator buyers can use 3925852 to cross-check shape, connector style, and mounting position against the component being replaced.

Additional cross references on file: 3918275, CU3925852, 6B5.9. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

3925852 3918275 CU39258526B5.96C8.3B3.3B4.5G8.3NT743G5.9392585200

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.