• Cylinder Head Gasket set with Head Bolt Kit 2004 Ford, Mercury 3.9L-4.2L
  • Cylinder Head Gasket set with Head Bolt Kit 2004 Ford, Mercury 3.9L-4.2L
  • Cylinder Head Gasket set with Head Bolt Kit 2004 Ford, Mercury 3.9L-4.2L
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Cylinder Head Gasket set with Head Bolt Kit 2004 Ford, Mercury 3.9L-4.2L

Cylinder Head Gasket set with Head Bolt Kit 2004 Ford, Mercury 3.9L-4.2L

Part number: HGB4127

$211.99 USD
$211.99 USD
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  • Tracking emailed when it ships
  • Free fitment check before you order

Listed for: Ford MercuryFitment notes & questions

Cylinder Head Gasket set with Head Bolt Kit, listed for 2004 Ford and Mercury with the 3.9L engine. A failed head gasket can mix coolant and oil, push coolant out of the system or cause overheating, so it is a job worth doing once and doing right.

Quick facts

  • Part type: Head gasket
  • Listed for: 2004 Ford and Mercury
  • Engine: 3.9L
  • Engine code: One Set Services Complete Engine, Premium Sealing Solution, Valve Grind Set.
  • Part number: HGB4127

Specifications

  • Includes: Head Gasket Set x1 Head Bolt Kit x1.

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: Ford Mercury 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: Ford Mercury.
  • Engine: check the engine size listed against your vehicle's VIN or under-hood label.
  • Specs, lead time and warranty come from the manufacturer and supplier and can change. The details above this guide are the latest we have.

Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.

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: Mercury Parts · Ford Parts · All Head Gaskets · Engine

Questions about Ford Mercury head gasket

Will this fit my Ford Mercury?
It is listed for the Ford Mercury. 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 the manufacturer. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.

Questions & answers

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