The cylinder head mounts to the top of the engine block over the cylinders. Cavities at the bottom of the head over top of each cylinder form the combustion chambers. All modern engines are the valve-in-head design, with the intake and exhaust valves moving up and down in guides, and the valve heads resting on the valve seats to seal the combustion chambers. Ports cast into the head provide passages to the valves for the air/fuel mixture and exhaust.

Featured Products

  • Replace® OE Replacement Cylinder Head
    (3 reviews)
    # sp5375
    OE Replacement Remanufactured Cylinder Head by Replace®. If your vehicle has a cylinder head problem, don’t waste time and money having your originals repaired. Replace cylinder heads are completely machined, inspected and ready...
    $170.00 - $1,667.50
  • Original Equipment® Cylinder Heads & Parts
    (2 reviews)
    # sp2098
    Cylinder Heads & Parts by Original Equipment®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste...
    $0.85 - $987.25
  • ELRING® Cylinder Heads & Parts
    (0 reviews)
    # sp2095
    Cylinder Heads & Parts by Elring®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your time and...
    $0.52 - $578.88
  • GENUINE® Cylinder Heads & Parts
    (11 reviews)
    # sp2097
    Cylinder Heads & Parts by Genuine®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your time and...
    $4.77 - $161.38
  • AJUSA® Cylinder Head Bolt Set
    (2 reviews)
    # sp5342
    Cylinder Head Bolt Set by AJUSA®. Cylinder head bolts are responsible for holding the cylinder head to the engine block. On most modern engines, stretch bolts or torque to yield bolts are typically used and must be replaced when...
    $2.32 - $85.38
  • AJUSA® Cylinder Head Gasket Set
    (2 reviews)
    # sp5341
    Cylinder Head Gasket Set by AJUSA®. One the most critical components of any engine is the head gasket — which seals the cylinder head to the engine block. AJUSA offers excellent coverage for European and Asian vehicles in the...
    $15.52 - $337.48
  • Auto 7® Engine Cylinder Head Gasket
    (0 reviews)
    # sp4974
    Engine Cylinder Head Gasket by Auto 7®. Over the lifespan of your vehicle your engine's parts can become worn and in need of replacement. This can cause serious problems including power and fuel economy loss. Auto 7 has the...
    $5.52 - $240.59
  • Fel-Pro® Engine Cylinder Head Gasket
    (2 reviews)
    # sp4491
    Engine Cylinder Head Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets meet specific...
    $2.62 - $369.30
  • Fel-Pro® Engine Cylinder Head Spacer Shim
    (0 reviews)
    # sp4492
    Engine Cylinder Head Spacer Shim by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets meet...
    $15.84 - $31.14
  • Fel-Pro® Engine Cylinder Head Bolt Washer Set
    (0 reviews)
    # sp4489
    Engine Cylinder Head Bolt Washer Set by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered using the latest...
    $8.93 - $12.63
  • Fel-Pro® Engine Cylinder Head Bolt Set
    (0 reviews)
    # sp4488
    Engine Cylinder Head Bolt Set by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered using the latest technologies...
    $10.59 - $122.72
  • ACDelco® GM Original Equipment™ Engine Front Cover Seal
    (0 reviews)
    # sp11754
    GM Original Equipment™ Engine Front Cover Seal by ACDelco®. Designed utilizing the latest technology, this GM Original Equipment Engine Front Cover Seal by ACDelco features premium quality and will perform better than advertised....
    $16.17 - $28.13
  • Victor Reinz® Cylinder Head Bolt Set
    (1 reviews)
    # sp5667
    Cylinder Head Bolt Set by Victor Reinz®. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts chain store. But before you waste your time and gas only to find high...
    $10.34 - $122.44
  • Fel-Pro® Engine Cylinder Head Dowel Pin
    (0 reviews)
    # sp4490
    Engine Cylinder Head Dowel Pin by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered using the latest technologies...
    $4.54 - $24.24
  • Victor Reinz® Cylinder Head Bolt Washer Set
    (0 reviews)
    # sp5666
    Cylinder Head Bolt Washer Set by Victor Reinz®. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts chain store. But before you waste your time and gas only to find...
    $2.35 - $9.72
  • Beck Arnley® Cylinder Head Bolt Set
    (0 reviews)
    # sp6419
    Cylinder Head Bolt Set by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the 1950’s,...
    $27.27 - $146.17
  • Bosch® Cylinder Head Temperature Sensor
    (0 reviews)
    # sp9420
    Cylinder Head Temperature Sensor by Bosch®. Bosch Engine Cylinder Head Temperature Sensor is engineered from high-quality materials for a long service life. Replacement effectively restores the Engine Cylinder Head to proper...
    $30.94 - $64.99
  • Dorman® Cylinder Head Plug
    (0 reviews)
    # sp6850
    Stainless Steel Cylinder Head Plug by Dorman®. Dorman’s Engine Cylinder Head Seals are available in multiple styles, including Cup Type, Pilot Seal™, Reverse Taper, Concave, Quick-Seal® Rubber and Quick-Seal ® Copper. Our...
    $0.78 - $19.87


Featured Brands

On Over Head Camshaft (OHC) engines one or two cams mount at the top of the cylinder head, while rocker arms and shafts or studs occupy the same space on Over Head Valve (OHV) engines. Coolant and oil passages are cast into the head, along with threaded holes for the spark plugs. The head seals to the block with a head gasket. In the past cast iron was the most common cylinder head material, but today almost all heads are made of aluminum.

Common cylinder head defects include worn guides, valves, seats and valve springs that can cause poor performance, a dead cylinder due to a burnt valve, or combustion, coolant, and oil leaks from warpage or cracks. Instead of significant down time and a huge repair bill from a local machine shop, you can have your car or truck back on the road fast for less cash with a replacement cylinder head. Our heads are thoroughly cleaned and carefully inspected, and receive new valve guides, 3-angle valve seats, and new valve seals. Valve spring installed height is set to specifications and the head is pressure tested.

A blown head gasket can cause a variety of problems depending on where the gasket fails. A gasket that fails between cylinders can cause a loss of compression and misfire. A leak from the combustion chamber to a coolant passage can cause a loss of coolant and overheating, while a leak between coolant and oil passages can result in coolant in the oil and oil in the cooling system. While precautions should be taken to ensure the head is not cracked or warped, in any case a new head gasket is in order and we can supply you with whatever kind you need, including composite and multi-layer steel gaskets.

To ensure proper head gasket sealing, most manufacturers specify that old head bolts not be reused. These engines are equipped with Torque-To-Yield (TTY) head bolts. Unlike ordinary bolts that are stretched within their range of elasticity when torqued, and return to their original length when loosened, TTY bolts are designed to be torqued to their yield point, and will remain elongated. This has been proven to provide more even clamping and better head gasket seal. With TTY bolts, head bolt replacement is necessary whenever a cylinder head is reinstalled, so we have a large stock of these fasteners on our digital shelves.

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Guides & Articles

  • Auto Repair Parts
    This article will guide you through a generic tune up on most any car or light duty gasoline-powered vehicle built within the last 20 years or so. We will presume that you are tuning up your engine because it has reached the mileage or time point to do so, and that you are NOT performing a tune up to cure an engine performance defect. We make this distinction because not all running/performance issues will be solved via a simple tune up.
  • Auto Repair Parts
    Internal combustion engines are extremely complex and feature a wide array of components that rotate, move up and down, pump, seal, or remain stationary. When repairing or rebuilding your engine, you will come across many different terms when referencing repair manuals and ordering parts. We know it can be confusing, especially when the repair is complex. Even if you are paying a professional to do the work, it’s good to be conversant with the topic. In order to help you understand the terminology of engine components, we’ve created the following glossary, listed in alphabetical order.

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Cylinder Heads Reviews

Average rating:  5  4.9 - 19 reviews
Read All Cylinder Heads Reviews
5 of 5
Perfect Gasket
Identical to my OEM head gasket.
CPosted by Carl (Lubbock, TX) /
2012 Hyundai Sonata
Was this review helpful for you? Yes
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