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.

Caterpillar3400 SeriesCylinder Head Gaskets

DS-340-6023 Cylinder Head Gasket Set For 3406 Caterpillar Engines

OEM #: 3406023SKU: DS3406023
$673.13

Taxes and Shipping are calculated at checkout

Special Order Item - not eligible for return

Non-Returnable

The DS-340-6023 cylinder head gasket set can be used in the following Caterpillar 3406 engine models:

  • Generator set (19 bolt flywheel housing) with an engine serial number prefix of 2WB
  • Generator set with an engine serial number prefix of 75Z
  • Industrial (19 bolt flywheel housing) with an engine serial number prefix of:
    • 1DZ
    • 4ZR
    • 6TB
    • 8FS
SKU DS3406023
OEM Number 3406023
Part Type Cylinder Heads, Gasket Sets
OEM Brand CATERPILLAR

Aftermarket warranty

View full warranty details
  • 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.