How do I confirm pilotpart403087 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 Cummins 3-920-679 3604480RX 3675270NW 3911248 3920679 39206791

For John Deere Alternator

Alternator 3675270NW for John Deere 4 4.52L Engine

OEM / REF: 3675270NWSKU: pilotpart403087

New Alternator Replacement For Cummins 3-920-679 3604480RX 3675270NW 3911248 3920679 39206791 is a Alternator replacement part indexed for John Deere 6403 · 4 4.52L · 2002-2005 and John Deere 6603 · 6 6.78L · 2002-2005. Match OEM part number 3675270NW and confirm fitment for John Deere Engine Spare Parts before orde...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$308.99USD/EA

~~$43,899.00~~Save 99%

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

This Alternator is indexed for John Deere 6403 · 4 4.52L · 2002-2005; John Deere 6603 · 6 6.78L · 2002-2005. Compare reference number 3675270NW against the label on your existing John Deere component before ordering.

Additional cross references on file: 3911248, 3920679, 39206791. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

3675270NW 3911248 3920679 39206791

Applications

John Deere 6403 · 4 4.52L · 2002-2005
John Deere 6603 · 6 6.78L · 2002-2005

Specifications

Design	IR/EF
Voltage	12V
Amperage	65A
Rotation	CW
Pulley Class	w/o Pulley
Part Number	3675270NW, 3911248, 3920679, 39206791

Fitment Notes

Brand or application signal: John Deere 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.