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What Are Cylinder Heads and Why Are They Important?

Your vehicle’s engine is a precision-tuned machine with thousands of parts working together to keep you on the road. One critical engine component is the cylinder head, which often includes various smaller components, such as valves, valve springs, pushrods, and more. These components work to control the air-fuel mixture needed for the combustion process that powers your vehicle.

The cylinder head plays a crucial role in maintaining the compression your engine needs for optimal performance. When paired with the cylinder head gasket, , it seals the top of each cylinder, ensuring efficient compression. If the gasket fails or the cylinder head becomes cracked or warped, compression is lost—resulting in poor engine performance or even total engine failure.

Get Genuine Cylinder Heads and Parts at AutoNation Parts

If your cylinder head or any of its components have become damaged, replacing them with genuine parts is essential to restore your engine's peak performance. At AutoNation Parts, you’ll find a full selection of OEM cylinder heads and related parts engineered for reliability and durability, so your engine can get back to running smoothly and efficiently.

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9020110344 - : Engine Cylinder Head Bolt Washer for Lexus Image

Engine Cylinder Head Bolt Washer

Lexus 90201-10344
To 01/1998. Engine Cylinder Head Bolt Washer.
$1.75
MSRP $2.14
Save $0.39
18.2% Off
2560103311 - : Cylinder Head for Mercedes-Benz Image

Cylinder Head

Mercedes-Benz 256-010-33-11
S500. Gle450. Gle53 amg. Gls450.
$4,006.80
MSRP $5,300.00
Save $1,293.20
24.4% Off
278016016964 - : Engine Cylinder Head Bolt for Mercedes-Benz Image

Engine Cylinder Head Bolt

Mercedes-Benz 278-016-01-69-64
Optional. Bolt for Cylinder Head.
$10.80
MSRP $14.50
Save $3.70
25.5% Off
110405RL0A - : Engine Cylinder Head for Nissan Image

Engine Cylinder Head

Nissan 11040-5RL0A
Kicks. Versa. Engine Cylinder Head.
$1,519.70
MSRP $1,723.01
Save $203.31
11.8% Off
99610400109 - : Engine Cylinder Head for Porsche Image

Engine Cylinder Head

Porsche 996-104-001-09
Boxster. Cylinder 1-3.
$3,188.77
MSRP $3,221.90
Save $33.13
1% Off
11018AB001 - : Cylinder Head for Subaru Image

Cylinder Head

Subaru 11018AB001
WRX. Right.
$846.68
MSRP $1,119.95
Save $273.27
24.4% Off
11039AC490 - : Cylinder Head for Subaru Image

Cylinder Head

Subaru 11039AC490
With hybrid. Right. Crosstrek.
$565.74
MSRP $748.33
Save $182.59
24.4% Off
11039AC590 - : Cylinder Head for Subaru Image

Cylinder Head

Subaru 11039AC590
Impreza. Right. Without hybrid. XV Crosstrek.
$565.50
MSRP $748.02
Save $182.52
24.4% Off
11063AC010 - : Cylinder Head for Subaru Image

Cylinder Head

Subaru 11063AC010
WRX STI. Left.
$737.86
MSRP $976.00
Save $238.14
24.4% Off
11063AB82A - : Cylinder Head for Subaru Image

Cylinder Head

Subaru 11063AB82A
Legacy, Outback. Left.
$704.43
MSRP $931.78
Save $227.35
24.4% Off
1110139725 - : Engine Cylinder Head for Toyota Image

Engine Cylinder Head

Toyota 11101-39725
Japan part. Prius.
$880.60
MSRP $988.65
Save $108.05
10.9% Off
11107WAA04 - : Engine Cylinder Head for Toyota Image

Engine Cylinder Head

Toyota 11107-WAA04
GR Supra. Engine Cylinder Head.
$1,923.09
MSRP $2,202.75
Save $279.66
12.7% Off
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