21024789
Rocker Arm
Volvo

The rocker arm is a fundamental component within the engine's valve train, responsible for translating camshaft motion into valve movement. Its precise operation ensures optimal airflow into the combustion chamber, directly affecting engine efficiency and power output. Made from high-strength materials, this part withstands the stresses of continuous operation, maintaining accurate valve timing and reducing wear on other engine components. Properly functioning rocker arms are critical for engine performance, fuel economy, and emissions control. This part's design emphasizes durability and precision, making it a reliable choice for heavy-duty applications. Source One Parts Center offers this essential component to support the demanding performance requirements of commercial trucking engines.