How do I confirm pilotpart408575 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

New Alternator Replacement For Freightliner Heavy Duty FL FLC 112 CAT C13 3306 3408 Cummins 555 855 K series NTA NTC V903 DD FL-90 WF 3813037C91, 4939PGH, A0014939PGH, ALN0030, 40016119

For Freightliner Alternator

Alternator 3813037C91 for Freightliner FREIGHTLINER:

OEM / REF: 3813037C91SKU: pilotpart408575

New Alternator Replacement For Freightliner Heavy Duty FL FLC 112 CAT C13 3306 3408 Cummins 555 855 K series NTA NTC V903 DD FL-90 WF 3813037C91, 4939PGH, A0014939PGH, ALN0030, 40016119 is a Alternator replacement part indexed for Part Number and FREIGHTLINER:. Match OEM part number 3813037C91 and confirm fitment fo...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$1,036.99USD/EA

~~$147,299.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Sep 22 – Sep 29
10	Sep 20 – Sep 27
50	Sep 18 – Sep 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; FREIGHTLINER:. Compare reference number 3813037C91 against the label on your existing Freightliner component before ordering.

Additional cross references on file: 4939PGH, A0014939PGH, ALN0030. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

3813037C91 4939PGH A0014939PGH ALN0030 40016119

Applications

Part Number
FREIGHTLINER:

Specifications

Part Number	3813037C91, 4939PGH, A0014939PGH, ALN0030, 40016119

Fitment Notes

Brand or application signal: Freightliner 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.