Gasket illustration – not the actual part
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Gasket illustration – not the actual partDiesel Parts Direct logo

Aftermarket parts may appear slightly different, including the packaging.

CumminsISB / QSBUpper Gasket Sets

DS-4955523 Upper Engine Gasket Set For ISB 6.7 Cummins Diesel Engines

OEM #: 4955523SKU: DS4955523

Ships in 1-2 days

$599.48

Taxes and Shipping are calculated at checkout

Special Order Item - not eligible for return

Non-Returnable

The DS-4955523 upper gasket set can be used in the following ISB 6.7 engines:

  • 2007 High Pressure Common Rail (HPCR) CM2150 Rear Gear Train (RGT)
  • 2010 High Pressure Common Rail (HPCR) CM2250 Rear Gear Train (RGT)
SKU DS4955523
OEM Number 4955523
Part Type Top Gasket Sets
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.