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.

Caterpillar3100 SeriesCylinder Head

DS-312-6123 Cylinder Head Gasket Set For Caterpillar Engines

Compatible With 3126 and C7 Engines

OEM #: 3126123SKU: DS3126123
$443.20

Taxes and Shipping are calculated at checkout

Special Order Item - not eligible for return

Non-Returnable

The DS-312-6123 cylinder head gasket set can be used in Caterpillar 3126 and C7 HEUI truck and industrial engine models with 2-valve cylinder heads.

SKU DS3126123
OEM Number 3126123
Part Type Valve Cover Components
OEM Brand CATERPILLAR

Aftermarket warranty

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  • Orders are processed the same or next business day
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  • 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.