How do I confirm pilotpart979667 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

5.4" Bore Piston Ring Compressor Tool & Adapter & Anti-Polishing Ring 5394454 for Cummins ISX15 QSX15 Caterpillar CAT 3400 C-15 3406 Engine

For Cummins Piston

Piston PT-7040 for Cummins

Q: What part numbers are associated with this Piston?

PT-7040, 5299339, 5299447, 5299448, QSX15, 5394454

OEM / REF: PT-7040SKU: pilotpart979667

5.4" Bore Piston Ring Compressor Tool & Adapter & Anti-Polishing Ring 5394454 for Cummins ISX15 QSX15 Caterpillar CAT 3400 C-15 3406 Engine is a Piston replacement part for Cummins Engine Spare Parts, categorized under Engine Spare Parts > Piston. Use OEM part number PT-7040 and confirm machine model, engine model,...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$215.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 21 – Oct 28
10	Oct 19 – Oct 26
50	Oct 17 – Oct 24

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.

Piston Description

The product belongs to Engine Spare Parts > Cylinder Components > Piston, making it useful when comparing related engine spare parts Piston options for Cummins Engine Spare Parts.

Additional cross references on file: 5299339, 5299447, 5299448. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

PT-7040 5299339 5299447 5299448 QSX15 5394454

Fitment Notes

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