• DNJ Cylinder Head Gasket Set 2001-2003 Cadillac, Chevrolet, GMC, Hummer 6.0L
  • DNJ Cylinder Head Gasket Set 2001-2003 Cadillac, Chevrolet, GMC, Hummer 6.0L
  • DNJ Cylinder Head Gasket Set 2001-2003 Cadillac, Chevrolet, GMC, Hummer 6.0L
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DNJ

DNJ Cylinder Head Gasket Set 2001-2003 Cadillac, Chevrolet, GMC, Hummer 6.0L

DNJ Cylinder Head Gasket Set 2001-2003 Cadillac, Chevrolet, GMC, Hummer 6.0L

$209.99 USD
$331.55 USD $209.99 USD
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  • Free fitment check before you order

Listed for: 2001–2003 Cadillac, Chevrolet, GMC and HummerFitment notes & questions

Cylinder Head Gasket Set from DNJ, listed for 2001–2003 Cadillac, Chevrolet, GMC and Hummer with the 6.0L engine. The head gasket seals the cylinder head to the block, keeping combustion pressure in the cylinders and coolant and oil in their own passages.

Quick facts

  • Brand: DNJ
  • Part type: Head gasket
  • Listed for: 2001–2003 Cadillac, Chevrolet, GMC and Hummer
  • Engine: 6.0L
  • Engine code: VIN U N/R 16V OHV
  • Part number: HGS3163

Listed fitment

  • [1999-2007] GM [w/ Top Hat Design Valve Stem Seals] / V8 / 6.0L / 364 OHV 16V [(VORTEC)]

Good to know

  • Notes: Premium Sealing Solution; Valve Grind Set, 2nd Design w/ Top Hat Type Valve Stem Seals
  • Warranty terms: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.

Tip: Most head gaskets call for new head bolts and a flat, clean deck surface. Check the head and block before you reassemble.

View full details

Before you order: Cadillac, Chevrolet, GMC and Hummer head gasket fitment

The head gasket seals the cylinder head to the block, keeping combustion pressure in the cylinders and coolant and oil in their own passages.

Fitment notes

  • Listed for: 2001–2003 Cadillac, Chevrolet, GMC and Hummer.
  • Model years: 2001–2003. Check your car's year falls inside this range.
  • Engine: check the engine size listed against your vehicle's VIN or under-hood label.
  • Specs, lead time and warranty come from DNJ and can change. The details above this guide are the latest we have.

Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.

Ask about fitment

Plan the whole job

  • Head bolts. Many engines use torque-to-yield head bolts that should not be reused.
  • Coolant. Refill with the coolant type your engine calls for.
  • Valve cover and intake gaskets. They come off during the job, so it is the time to replace them.

More for your car: Cadillac Parts · Chevrolet Parts · All Head Gaskets · Engine

Questions about Cadillac, Chevrolet, GMC and Hummer head gasket

Will this fit my Cadillac, Chevrolet, GMC and Hummer?
It is listed for the 2001–2003 Cadillac, Chevrolet, GMC and Hummer. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
What are signs of a bad head gasket?
Common signs are overheating, white exhaust smoke, coolant loss with no visible leak, and milky oil.
Should I resurface the cylinder head?
If the head is warped or the surface is damaged, a machine shop can check and resurface it before the new gasket goes on.
Where do specs and warranty details come from?
From DNJ. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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