Piston kit illustration – not the actual part
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Piston kit illustration – not the actual partDiesel Parts Direct logo

Aftermarket parts may appear slightly different, including the packaging.

Cummins4BT / 6BTPiston Kits

DS-3802747 Piston Kit For Cummins B3.9 And 4B3.9 Diesel Engines

Standard

OEM #: 3802747SKU: DS3802747

Ships in 1-2 days

$145.42

Taxes and Shipping are calculated at checkout

Special Order Item - not eligible for return

This is a Piston Kit for the following Cummins engines:

  • B3.9
  • 4B3.9
  • 4BT3.8
  • 4BT3.9
SKU DS3802747
OEM Number 3802747
Part Type Piston Kits
OEM Brand CUMMINS

Aftermarket warranty

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Call any of our friendly Parts Dept. Specialists with your engine serial number, and we can quickly verify whether this part is the correct part for your engine — no guesswork.

Phone: 888.687.0539

Don't know how to find your engine serial number? Go to our Engine Help Center for assistance.