How do I confirm pilotpart265243 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

1 pc Piston 3907157 for Cummins 4B 4BT 4BTA 4BTAA 6B 6BT 6BTA 6BTAA Engine in USA

For Cummins Piston

Piston 3907157 for Cummins Cummins Engine:

Q: What part numbers are associated with this Piston?

3907157, B3.9L, 4BTA, 4BTAA, B5.9L, 6BTA, 6BTAA

OEM / REF: 3907157SKU: pilotpart265243

1 pc Piston 3907157 for Cummins 4B 4BT 4BTA 4BTAA 6B 6BT 6BTA 6BTAA Engine in USA is a Piston replacement part indexed for Part Number and Cummins Engine:, with 3 application records on file. Match OEM part number 3907157 and confirm fitment for Cummins Engine Spare Parts before ordering.

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

$385.79USD/EA

~~$52,599.00~~Save 99%

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

This Piston is indexed for Part Number; Cummins Engine:; Cummins s : Engine: B3.9L 4B 4BT 4BTA 4BTAA B5.9L 6B 6BT 6BTA 6BTAA. Compare reference number 3907157 against the label on your existing Cummins component before ordering.

Additional cross references on file: B3.9L, 4BTA, 4BTAA. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

3907157B3.9L4BTA4BTAAB5.9L6BTA6BTAA

Applications

Part Number
Cummins Engine:
Cummins s : Engine: B3.9L 4B 4BT 4BTA 4BTAA B5.9L 6B 6BT 6BTA 6BTAA

Specifications

Part Number	3907157

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.