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.

Cummins6CTA / ISC / QSCUpper Gasket Sets

DS-3800747 Upper Engine Gasket Set For C8.3 Cummins Diesel Engines

(.010" / .25 Mm, 1983-1998)

OEM #: 3800747SKU: DS3800747

Ships in 1-2 days

$358.26 $407.11

Taxes and Shipping are calculated at checkout

Special Order Item - not eligible for return

Non-Returnable
SKU DS3800747
OEM Number 3800747
Part Type Top Gasket Sets
OEM Brand CUMMINS
  • DS-3802342
  • DS-3802450
  • DS-3802622

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.