In-frame overhaul kit illustration – not the actual part
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In-frame overhaul kit illustration – not the actual partDiesel Parts Direct logo

Aftermarket parts may appear slightly different, including the packaging.

Cummins4BT / 6BTOverhaul Kits

DS-OH-3802747-4B Complete Engine Overhaul Kit For Cummins Engines

Compatible With 4BT and 4BTA 3.9L Engines (Standard)

OEM #: OH38027474BSKU: DSOH38027474B

Ships in 1-2 days

$804.67

Taxes and Shipping are calculated at checkout

Special Order Item - not eligible for return

The DS-OH3802747-4B complete overhaul kit can be used on the following Cummins engines, usually operated in construction applications:

  • 4BT 3.9 with the following CPLs: 1965, 1966, 1967, 2144, 2302, 2478, 8442
  • 4BT 3.9-C with the following CPLs: 2623
  • 4BTA 3.9 with the following CPLs: 2109, 2351, 2359, 2396

This kit includes the following parts:

  • Upper Engine Gasket Set
  • Lower Engine Gasket Set
  • Piston Kits
  • Main Bearings
  • Rod Bearings

Overhaul kits are serial number and CPL specific.

SKU DSOH38027474B
OEM Number OH38027474B
Part Type Overhaul Kits
OEM Brand CUMMINS

Aftermarket warranty

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  • Orders are processed the same or next business day
  • Expedited shipping options available at Checkout
  • If same-day shipping is critical, please call to confirm availability

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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.