Basic Product Specific-ations
| Specific-ation Item |
Detailed Parameter |
| Part Number |
107-7734 (c-at OEM Equivalent Direct Replacement) |
| Compatible Engine Series |
c-aterpillar 3116 Diesel Engine (Exclusive Precision Fit) |
| Injector Type |
Mechanical Unit Injector (MUI), Pencil Type Heavy-Duty Fuel Injector |
| Premium Material |
High-strength quenched & tempered alloy steel body, precision-ground plunger & barrel assembly, hardened wear-resistant needle valve, high-temperature & corrosion-resistant internal seals |
| Working Pressure Range |
40-120MPa (Strict OEM Calibration, Stable Pressure Output) |
| Net Weight |
0.54kg / 1.19lbs |
| Product Condition |
Brand New, OEM Standard, Non-Genuine c-at Replacement Part |
| Quality Certific-ation |
ISO 9001 Certified, 100% End-of-Line Performance Tested |
| Applic-ation Fuel |
Low-sulfur diesel, standard heavy-duty on/off-highway diesel fuel |
Compatible Equipment & Cross Reference Part Numbers
This 107-7734 fuel injector is fully compatible with all c-at 3116 engine-powered heavy equipment, covering mainstream construction machinery, industrial power units, marine auxiliary engines and heavy-duty off-highway mining vehicles. It matches a full set of cross-reference part numbers for quick inventory matching, batch replacement, and maximum reduction of equipment maintenance downtime.
| Applic-ation Scenario |
Compatible Equipment Models |
Cross Reference Part Numbers |
| Construction Machinery |
c-at 3116 Engine Excavators, Wheel Loaders, Bulldozers, Motor Graders, Road Compactors |
1077734, 107-7733, 107-7732, 107-1230 |
| Industrial Power |
3116 Engine-driven Generators, Water Pumps, Air Compressors, Fixed Industrial Power Units |
105-1694, 7E-9585, 0R-3742 |
| Marine & Mining Vehicles |
Marine Auxiliary Engines, Off-highway Mining Trucks, Engineering Support Vehicles with 3116 Engine |
4P-2995, 127-8216, 160-1694 |
Core Product Advantages & Key Features
Our c-at 3116 107-7734 injector outperforms generic aftermarket parts, adopting ultra-precision manufacturing processes and multi-layer strict quality control to fully replic-ate and even exceed OEM performance standards. The following core features make it the most cost-effective and reliable replacement option for c-at 3116 engine fuel system maintenance and repair:
| Feature c-ategory |
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 107-7734 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. |
Common c-at 3116 Engine Faults Solved by 107-7734 Injector
Replacing worn or faulty injectors with our premium 107-7734 fuel injector can quickly resolve typical chronic fuel system failures of c-at 3116 engines, restore peak engine performance and effectively reduce long-term operating costs:
Engine power loss, slow acceleration, insufficient torque and weak operation under heavy loa
Excessive fuel consumption, sharp increase in daily fuel and equipment operating costs
Abnormal exhaust emissions (black smoke, white smoke, blue smoke) failing environmental protection standards
Engine rough idle, frequent stalling, unstable idle speed and obvious abnormal mechanical noise
Fuel leakage at injector mounting interface, fuel dilution of engine oil and premature wear of engine internal parts
Professional Installation & Maintenance Tips
To ensure balanced cylinder performance and maximum engine efficiency, it is strongly recommended to replace all cylinder injectors in sets for c-at 3116 engines; avoid mixing old and new injectors to prevent unbalanced cylinder operation and secondary engine damage.
Thoroughly clean the entire engine fuel system, flush fuel pipelines, and replace the fuel filter and fuel water separator before installation to block impurities from damaging the new injector and prolong its service life.
Use a calibrated professional torque wrench for installation, strictly follow c-at factory recommended torque standards to avoid loose interfaces, fuel leakage or damaged injector threads.
After installation, start the engine and idle stably for 5-10 minutes, check for fuel leakage, abnormal noise and unstable operation, then conduct a short light-load test run before formal heavy-duty use.
Why Choose Our 107-7734 c-at 3116 Injector?
We specialize in manufacturing and supplying high-quality aftermarket replacement parts for c-aterpillar heavy-duty diesel engines, with core advantages of OEM-level performance, strict quality control and budget-friendly pricing. Our 107-7734 fuel injector combines perfect compatibility, rugged durability and stable performance, serving as a reliable and cost-efficient alternative to genuine c-aterpillar parts. Backed by comprehensive pre-shipment inspection and professional after-sales support, it delivers long-term stable performance for your c-at 3116 engine, whether for routine preventive maintenance, emergency fault repair or complete engine rebuild, helping you minimize equipment downtime and maximize on-site work efficiency.
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