Precision-machined fuel injector plunger connecting rod (P/N: 3052233) engineered for Cummins bus engines with chromium-plated steel construction for extreme wear resistance. Direct OEM replacement part manufactured to 0.002mm tolerance for perfect fuel metering synchronization. Hardened alloy core withstands 2500+ psi injection pressures in urban transit and coach applications. Mirror-polished contact surfaces reduce friction by 40% compared to aftermarket alternatives. Includes laser-etched identification for genuine part verification. Ideal for fleet maintenance shops and diesel specialists requiring batch orders of 50+ units. Ships in corrosion-proof vacuum packaging with ISO/TS 16949 certification.