How do I confirm pilotpart222431-01 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 Nozzle 127-8222 20R-2051 For Caterpillar AG Tractor 45 55 35 55B

For Caterpillar Injectors & Nozzle

Fuel Injector Nozzle 1278222 for Caterpillar

OEM / REF: 1278222SKU: pilotpart222431-01

Fuel Injector Nozzle 127-8222 20R-2051 For Caterpillar AG Tractor 45 55 35 55B is a Fuel Injector Nozzle replacement part indexed for Part Number and Caterpillar AG Tractor 45 55 35 55B Fuel Injector Nozzle 127-8222 20R-2051, with 3 application records on file. Match OEM part number 1278222 and confirm fitment for C...

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

$221.41USD/EA

~~$29,899.00~~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

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

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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; Caterpillar AG Tractor 45 55 35 55B Fuel Injector Nozzle 127-8222 20R-2051; Model: Caterpillar AG Tractor 45 55 35 55B Specification: Length (in): 8.8 Width (in): 4.8 Height(in): 5.1. Compare reference number 1278222 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 20R2051. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

1278222 20R2051

Applications

Part Number
Caterpillar AG Tractor 45 55 35 55B Fuel Injector Nozzle 127-8222 20R-2051
Model: Caterpillar AG Tractor 45 55 35 55B Specification: Length (in): 8.8 Width (in): 4.8 Height(in): 5.1

Specifications

Length (In)	8.8
Width (In)	4.8
Height (in)	5.1
Part Number	127-8222, 20R-2051

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.