Caterpillar Injector 3116 Fuel Injector 1077733 0R8682 107-7733 1077773 107-7773 1077732 107-7732 0R-8682 127-8216 1278216 For 320B 322B 322C Original New Injector

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Detailed Advantage Description

Precision Fuel Injection & Full Combustion

Adopts high-precision CNC machining and fine grinding technology, with internal matching clearance strictly controlled within 1-2μm, ensuring consistent fuel injection volume and accurate timing synchronization with engine operation. It generates an optimized conical fog spray pattern, enabling complete and sufficient fuel combustion, reducing fuel consumption by up to 8-10% and effectively eliminating black smoke, white smoke and abnormal exhaust emissions, fully restoring engine rated power and torque output under heavy continuous load.

Extraordinary Durability & Wear Resistance

Forged from high-strength heat-treated alloy steel with double surface hardening and professional anti-corrosion coating treatment, resistant to long-term diesel corrosion, high-pressure fuel impact and continuous mechanical friction wear. Designed to withstand more than 1.3 million injection cycles under heavy load, greatly extending service life, reducing frequent replacement costs and avoiding unexpected equipment shutdown losses.

Direct OEM Fit & Hassle-Free Installation

Manufactured 1:1 according to original c-at 3116 engine dimensions, interface standards and installation torque parameters, realizing true plug-and-play installation without any modific-ation, regrinding or later calibration. It perfectly matches the original engine fuel rail and mounting position, completely avoiding installation errors, compatibility problems and subsequent engine performance abnormalities.

Rigorous Full-Spectrum Pre-Shipment Testing

Each 107-7773 injector undergoes 6 strict professional quality tests before leaving the factory: spray pattern uniformity test, static leakage test, dynamic pressure stability test, fuel delivery accuracy test, high-temperature durability simulation test and anti-vibration test. 100% qualified before shipment, ensuring stable and reliable performance right out of the box.

Harsh Environment Adaptability

Specially optimized for harsh working conditions, suitable for long-term stable operation in high-temperature construction sites, dusty mines, humid marine environments and remote industrial areas. It maintains consistent injection performance under variable load fluctuations, effectively preventing engine misfiring, rough idle and sudden failures during heavy-duty operation.