Genuine OEM Fuel Injection Plunger & Barrel for Caterpillar | Part 1W-3010

Restore peak combustion efficiency and engine timing to your Caterpillar equipment with this genuine OEM fuel injection plunger and barrel assembly. As the heart of the fuel injection pump, this high-precision matched set is engineered to pressurize and meter fuel with absolute accuracy, ensuring your engine delivers the horsepower and fuel economy it was built for.

Manufactured to Caterpillar’s rigorous factory tolerances, the 1W-3010 is designed for the high-pressure demands of the 3208 and 3306 engine series. It features ultra-fine surface finishes and hardened steel construction to resist wear from fuel contaminants and thermal cycling, preventing internal leakage and maintaining consistent injection pressure. By installing genuine OEM plunger and barrel sets, you eliminate the risk of uneven cylinder firing and premature pump failure, ensuring seamless integration with your CAT fuel system for long-term job site reliability.