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Rocker Arm

Critical For Operation

Engine

Transfers motion from the camshaft or pushrod to the valve, opening or closing it.

The rocker arm acts as a lever between the camshaft or pushrod and the engine valve, transferring motion to open or close the valve, allowing air and fuel into the combustion chamber and exhaust gases to exit.

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Typical part cost
$30–$100🔒
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Typical labor cost
$200–$400🔒
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Typically lasts
100,000–200,000 mi
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Or about
7.0–10.0 years
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DIY difficulty
6/10

⚠️ Owners Often Notice

If the Rocker Arm is starting to fail, these are the signs owners most commonly report before it gets worse:

Engine misfires
Poor engine performance
Engine knocking
Rough idling

Related Services

Services commonly performed on or around this part.

Replace Rocker Arm(s)

No standard interval on file

Inspect Rocker Arm(s)

No standard interval on file

Repair Rocker Arm(s)

No standard interval on file