How do I confirm pilotpart111628 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

Air Compressor Head Kit 4309439 for Cummins NT855 Engine

For Cummins Overhaul Gasket

Overhaul Gasket 4309439 for Cummins s: Engine: Cummins NT855

OEM / REF: 4309439SKU: pilotpart111628

Air Compressor Head Kit 4309439 for Cummins NT855 Engine is a Overhaul Gasket replacement part indexed for Part Number and Cummins s: Engine: Cummins NT855. Match OEM part number 4309439 and confirm fitment for Cummins Engine Spare Parts before ordering.

Stock: In stock
Condition: New
Fitment: Cummins Engine Spare Parts
Category: Overhaul Gasket

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$1,011.77USD/EA

~~$8,228.00~~Save 88%

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.

Overhaul Gasket Description

This Overhaul Gasket is indexed for Part Number; Cummins s: Engine: Cummins NT855. Compare reference number 4309439 against the label on your existing Cummins component before ordering.

Additional cross references on file: 4309439RX, NT855. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

4309439 4309439RX NT855

Applications

Part Number
Cummins s: Engine: Cummins NT855

Specifications

Part Number	4309439, 4309439RX

Fitment Notes

Brand or application signal: Cummins Engine Spare Parts
Product family: Overhaul Gasket
System category: Engine Spare Parts > Cylinder Components > Overhaul Gasket
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.