How do I confirm pilotpart265859 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

For Caterpillar Piston

Piston 1504621 for Caterpillar

Q: What part numbers are associated with this Piston?

1504621, CA1504621, 3126, 3126B, 3126E, 322C, 325C, M325C, C7TRUCK, 3126EWHEEL, 580B, 938G

OEM / REF: 1504621SKU: pilotpart265859

Crown Piston 1504621 for Caterpillar CAT 3126 3126B 3126E Engine 322C 325C 325C L M325C Excavator in USA is a Piston replacement part indexed for Part Number and Caterpillar CAT 3126 3126B 3126E Engine 322C 325C 325C L M325C Excavator, with 3 application records on file. Match OEM part number 1504621 and confirm fit...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$148.98USD/EA

~~$52,599.00~~Save 100%

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.

Piston Description

This Piston is indexed for Part Number; Caterpillar CAT 3126 3126B 3126E Engine 322C 325C 325C L M325C Excavator; Caterpillar s:for Caterpillar CAT 3126 3126B 3126E Engine 322C 325C 325C L M325C Excavator. Compare reference number 1504621 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: CA1504621, 3126, 3126B. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

1504621 CA150462131263126B 3126E322C325CM325C C7TRUCK 3126EWHEEL580B938G

Applications

Part Number
Caterpillar CAT 3126 3126B 3126E Engine 322C 325C 325C L M325C Excavator
Caterpillar s:for Caterpillar CAT 3126 3126B 3126E Engine 322C 325C 325C L M325C Excavator

Specifications

Part Number	1504621,CA1504621,150-4621

Fitment Notes

Brand or application signal: Caterpillar 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.