How do I confirm pilotpart100596 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 4N3986 for Caterpillar CAT 3306 3406 3408 3516 C18 C15 C13 C11 3412 3512 Engine 24V 45A

For Caterpillar Alternator

Alternator CA4N3986 for Caterpillar D25C

OEM / REF: CA4N3986SKU: pilotpart100596

Alternator 4N3986 for Caterpillar CAT 3306 3406 3408 3516 C18 C15 C13 C11 3412 3512 Engine 24V 45A is a Alternator replacement part indexed for CAT D25C and CAT D30C, with 3 application records on file. Match OEM part number CA4N3986 and confirm fitment for Caterpillar Engine Spare Parts before ordering.

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$559.99USD/EA

~~$79,599.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 21 – Aug 28
10	Aug 19 – Aug 26
50	Aug 17 – Aug 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.

Alternator Description

This Alternator is indexed for CAT D25C; CAT D30C; CAT D350C; CAT PR-1000. Compare reference number CA4N3986 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 4N-3986. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA4N3986 4N-3986

Applications

CAT D25C
CAT D30C
CAT D350C
CAT PR-1000
CAT PR-450
CAT PR-450C
CAT PR-750B
CAT 3304
CAT CG137-12
CAT G3408
CAT G3408C
CAT G3412
CAT G342C
CAT G3508
CAT G3508B
CAT G3512
CAT G3512B
CAT G3516
CAT G3520B
CAT G353D
CAT G379
CAT G398
CAT G399
CAT 3306
CAT 3406
CAT 3406B
CAT 3406C
CAT 3408
CAT 3412
CAT 3412C
CAT 3508
CAT 3512
CAT 3516
CAT C-12
CAT D379B
CAT D398B
CAT D399
CAT G3516B
CAT 3406C
CAT 3408C
CAT 3412C
CAT 3508
CAT 3512
CAT 3512B
CAT 3512C
CAT 3516
CAT 3516B
CAT 3516C
CAT C18
CAT G3508
CAT G3512
CAT G3512E
CAT G3516
CAT G3516B
CAT G3516C
CAT G3516E
CAT G3516H
CAT G3520B
CAT G3520C
CAT G3520E
CAT 3126B
CAT 3176B
CAT 3176C
CAT 3196
CAT 3304
CAT 3306
CAT 3306B
CAT 3406
CAT 3406B
CAT 3406C
CAT 3406E
CAT 3408
CAT 3408C
CAT 3408E
CAT 3412
CAT 3412C
CAT 3412E
CAT 3456
CAT 3508
CAT 3512
CAT 3516
CAT C-10
CAT C-12
CAT C-15
CAT C-16
CAT C-9
CAT C11
CAT C13
CAT C15
CAT C18
CAT C27
CAT C32
CAT C7
CAT D342
CAT D342C
CAT D343
CAT D346
CAT D348
CAT D349
CAT D353C
CAT D379
CAT D398
CAT D399
CAT 3508C
CAT 3512C
CAT 3516B
CAT 3516C
CAT 3116
CAT 3126
CAT 3176B
CAT 3176C
CAT 3196
CAT 3304
CAT 3306
CAT 3306B
CAT 3406
CAT 3406B
CAT 3406C
CAT 3406E
CAT 3408
CAT 3408B
CAT 3412
CAT 3412D
CAT 3412E
CAT 3508
CAT 3508B
CAT 3508C
CAT 3512
CAT 3512C
CAT 3516
CAT 3516C
CAT C-12
CAT C12
CAT C15
CAT C18
CAT C30
CAT C32
CAT D342
CAT D342C
CAT D343
CAT D346
CAT D348
CAT D349
CAT D353C
CAT D379A
CAT D398A
CAT D399
CAT 3508B
CAT 3508C
CAT 3512
CAT 3512B
CAT 3512C
CAT 3516C
CAT C11
CAT C13
CAT C15
CAT C18
CAT C7
CAT 3508
CAT 3512
CAT 3516
CAT
CAT
CAT
CAT
CAT
CAT

Specifications

Voltage	24V
AMPERAGE	60A
Part Number	CA4N3986, 4N-3986, 4N3986

Fitment Notes

Brand or application signal: Caterpillar 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.