How do I confirm pilotpart664979-8443421950200 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

6 Pcs Fuel Injector 321-0990 for Caterpillar CAT Engine C6.6 Wheel Tractor 613G

For Caterpillar Injectors & Nozzle

Injectors & Nozzle 321-0990 for Caterpillar

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

321-0990, 10R-7668, CA3210990, CA10R7668

OEM / REF: 321-0990SKU: pilotpart664979-8443421950200

6 Pcs Fuel Injector 321-0990 for Caterpillar CAT Engine C6.6 Wheel Tractor 613G is a Injectors & Nozzle replacement part for Caterpillar Engine Spare Parts, categorized under Engine Spare Parts > Injectors & Nozzle. Use OEM part number 321-0990 and confirm machine model, engine model, and serial details before check...

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

$1,049.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 23 – Oct 30
10	Oct 21 – Oct 28
50	Oct 19 – Oct 26

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 Caterpillar Fit for following models: Caterpillar CAT Asphalt Paver:AP-1000E,AP-1055E Caterpillar CAT Wheel Tractor-Scraper:613G. Compare reference number 321-0990 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 10R-7668, CA3210990, CA10R7668. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

321-0990 10R-7668 CA3210990 CA10R7668

Applications

Caterpillar Fit for following models: Caterpillar CAT Asphalt Paver:AP-1000E,AP-1055E Caterpillar CAT Wheel Tractor-Scraper:613G

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.