How do I confirm pilotpart108212 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

Fuel Injector 387-9434 for Caterpillar CAT Engine C9

For Caterpillar Injectors & Nozzle

Injectors & Nozzle CA3879434 for Caterpillar

Q: What part numbers are associated with this Injectors & Nozzle?

CA3879434, 387-9434, C9Caterpillar, 511Track

OEM / REF: CA3879434SKU: pilotpart108212

Caterpillar Injectors & Nozzle CA3879434 is listed under Engine Spare Parts > Injectors & Nozzle with catalog data including Part Number: CA3879434, 387-9434, 3879434. Verify fitment for Caterpillar Engine Spare Parts using the OEM number, mounting points, and photos of your existing part.

Stock: In stock
Condition: New
Fitment: Caterpillar Engine Spare Parts
Category: Injectors & Nozzle

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$1,487.50USD/EA

~~$29,899.00~~Save 95%

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

Buy online now or add to your quote list for bulk pricing and fitment confirmation.

Confirm fitment before ordering →

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

Injectors & Nozzle Description

This Injectors & Nozzle is indexed for Part Number. Compare reference number CA3879434 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 387-9434, C9Caterpillar, 511Track. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA3879434 387-9434 C9Caterpillar 511Track

Applications

Part Number

Specifications

Part Number	CA3879434, 387-9434, 3879434

Fitment Notes

Brand or application signal: Caterpillar Engine Spare Parts
Product family: Injectors & Nozzle
System category: Engine Spare Parts > Fuel System > Injectors & Nozzle
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.