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Fuel Injector Plunger and Barrel
Mack

This fuel injector component is essential for precise fuel delivery within the engine, directly impacting performance and efficiency. The plunger and barrel work together to control the injection timing and quantity, ensuring optimal combustion. Their high-precision manufacturing guarantees consistent fuel atomization, which is critical for power output and emissions compliance. Proper maintenance and timely replacement of these parts help prevent engine misfires, rough running, and excessive fuel consumption. Their reliable operation is fundamental for maintaining the engine’s overall health and performance. Source One Parts Center provides these components to support your vehicle’s fuel system with high-quality, durable parts.