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Fuel Injector Plunger and Barrel Assembly
Mack

This component plays a pivotal role in the fuel injection process, ensuring accurate fuel delivery to optimize combustion. Its precision-machined surfaces provide tight seals and consistent movement, which are crucial for maintaining engine efficiency and reducing emissions. The assembly’s durability under high-pressure conditions makes it a dependable choice for heavy-duty applications. Proper maintenance and replacement of this part are essential for preventing engine misfires, rough running, and excessive fuel consumption. Source One Parts Center stocks this assembly to support your engine overhaul and repair needs, helping keep your vehicle operating smoothly and efficiently.